/* ==============================
   RESET و پایه
   ============================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  direction: rtl;
  text-align: right;
  background-color: #0b1220;
  color: #e5e7eb;
  font-family: "Vazirmatn", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==============================
   فونت Vazirmatn (وب‌فونت محلی)
   ============================== */

@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/Vazirmatn-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/Vazirmatn-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/Vazirmatn-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ==============================
   متغیرهای تم (2025 / 2026)
   ============================== */

:root {
  --color-bg-body: #020617;
  --color-bg-surface: #020617;
  --color-bg-card: #020617;
  --color-bg-elevated: #020617;
  --color-border-subtle: rgba(148, 163, 184, 0.4);
  --color-border-strong: rgba(148, 163, 184, 0.7);

  --color-text-main: #e5e7eb;
  --color-text-muted: #9ca3af;
  --color-text-soft: #6b7280;
  --color-text-strong: #f9fafb;

  --color-primary: #38bdf8;
  --color-primary-soft: rgba(56, 189, 248, 0.12);
  --color-primary-strong: #0ea5e9;

  --color-accent: #22c55e;
  --color-danger: #ef4444;
  --color-warning: #eab308;
  --color-success: #22c55e;

  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.7);
  --radius-lg: 1.25rem;
  --radius-md: 0.9rem;
  --radius-pill: 999px;

  --transition-fast: 0.18s ease-out;
  --transition-normal: 0.24s ease-out;
}

/* تم روشن (بعداً با JS روی body .theme-light/.theme-dark سوییچ می‌کنیم) */
body.theme-light {
  --color-bg-body: #f3f4f6;
  --color-bg-surface: #f9fafb;
  --color-bg-card: #ffffff;
  --color-bg-elevated: #ffffff;

  --color-text-main: #111827;
  --color-text-muted: #6b7280;
  --color-text-soft: #9ca3af;
  --color-text-strong: #020617;

  --color-border-subtle: rgba(148, 163, 184, 0.3);
  --color-border-strong: rgba(148, 163, 184, 0.7);

  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.18);
}

/* به‌صورت پیش‌فرض تم تیره فعال است؛ JS می‌تواند کلاس theme-light اضافه کند */
body {
  background: radial-gradient(circle at top, #0b1120 0, #020617 45%, #000 100%);
  color: var(--color-text-main);
  transition: background var(--transition-normal), color var(--transition-normal);
}

body.theme-light {
  background: linear-gradient(135deg, #f3f4f6 0, #f9fafb 100%);
}
* {
    font-family: "Vazirmatn", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}
/* اسکرول نرم و باریک */
html {
  scroll-behavior: smooth;
  
}

body::-webkit-scrollbar {
  width: 8px;
}
body::-webkit-scrollbar-track {
  background: transparent;
}
body::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.5);
  border-radius: 999px;
}

/* لینک‌ها */
a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* ==============================
   لایه کلی اپلیکیشن (Mobile-first)
   ============================== */

.app-root {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0.75rem;
  max-width: 1280px;
  margin: 0 auto;
  gap: 0.75rem;
}

/* ==============================
   HEADER
   ============================== */

.app-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 55%)
    radial-gradient(circle at top right, rgba(34, 197, 94, 0.08), transparent 60%),
    var(--color-bg-card);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border-subtle);
  position: sticky;
  top: 0.5rem;
  z-index: 20;
  backdrop-filter: blur(16px);
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

body.theme-light .app-header {
  background: var(--color-bg-card);
}

.app-header__brand {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.app-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--color-text-strong);
}

.app-subtitle {
  margin: 0;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.app-author-name {
  font-weight: 500;
  color: var(--color-primary-strong);
}

/* هدر اکشن‌ها */
.app-header__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-start;
}

/* ==============================
   دکمه‌ها (2025-style)
   ============================== */

.btn {
  border: none;
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    background-color var(--transition-fast), color var(--transition-fast), opacity 0.12s;
  white-space: nowrap;
  font-family: "Vazirmatn", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

.btn-icon {
  font-size: 1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-text {
  display: inline-block;
}

@media (max-width: 640px) {
  .btn-text {
    display: none;
  }
  .btn {
    padding: 0.55rem;
    min-width: 2.5rem;
  }
}

.btn:active {
  transform: translateY(1px) scale(0.99);
}

.btn--primary {
  background: linear-gradient(135deg, #38bdf8, #22c55e);
  color: #0f172a;
  box-shadow: 0 14px 32px rgba(56, 189, 248, 0.35);
}

.btn--primary:hover {
  box-shadow: 0 18px 40px rgba(56, 189, 248, 0.45);
}

.btn--secondary {
  background: rgba(148, 163, 184, 0.12);
  color: var(--color-text-main);
  border: 1px solid rgba(148, 163, 184, 0.6);
}

.btn--secondary:hover {
  background: rgba(148, 163, 184, 0.18);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.btn--ghost:hover {
  background: rgba(15, 23, 42, 0.65);
  color: var(--color-text-main);
}

/* ردیف دکمه‌ها */
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  
}
.button-row--wrap {
  justify-content: flex-start;
}

.button-row--compact {
  gap: 0.35rem;
}

.btn--small {
  padding: 0.4rem 0.8rem;
  font-size: 0.75rem;
}

/* پروفایل‌ها و پیش‌نویس‌ها - دو ستونه */
.profiles-drafts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  min-width: 0;
}

.profiles-drafts-column {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
  max-width: 100%;
  /* overflow: hidden; */
}

@media (min-width: 768px) {
  html,
  body {
    height: 100%;
    overflow: hidden;
  }

  .app-root {
    height: 100vh;
    min-height: 0;
  }
  .profiles-drafts-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

/* ==============================
   MAIN LAYOUT
   ============================== */

.app-main {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* پانل کنترل‌ها (فرم‌ها) */
.controls-panel {
  background: radial-gradient(circle at top, rgba(15, 118, 110, 0.18), transparent 60%),
    var(--color-bg-surface);
  border-radius: var(--radius-lg);
  padding: 0.9rem;
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-soft);
  transition: background var(--transition-normal), border-color var(--transition-normal);
  min-width: 0;
}

body.theme-light .controls-panel {
  background: var(--color-bg-surface);
}

/* ناوبری مراحل (tabs) */
.controls-nav {
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  gap: 0.4rem;
  padding-right: 0.1rem;
  padding-bottom: 0.55rem;
  padding-top: 0.1rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  scrollbar-width: thin;
  scrollbar-color: rgba(148, 163, 184, 0.5) transparent;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x;
  overscroll-behavior-x: contain;
  will-change: scroll-position;
}

/* استایل اسکرول افقی برای تب‌ها */
.controls-nav::-webkit-scrollbar {
  height: 6px;
}

.controls-nav::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 10px;
}

.controls-nav::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.5);
  border-radius: 10px;
  transition: background var(--transition-fast);
}

.controls-nav::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.7);
}

body.theme-light .controls-nav::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.4);
}

body.theme-light .controls-nav::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.6);
}

.controls-nav__item {
  border: none;
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.78rem;
  cursor: pointer;
  background: transparent;
  color: var(--color-text-muted);
  white-space: nowrap;
  transition: background-color var(--transition-fast), color var(--transition-fast),
    box-shadow var(--transition-fast);
  flex-shrink: 0;
  touch-action: manipulation;
}

.controls-nav__item--active {
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.3);
}

/* فرم اصلی */
.invoice-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* سکشن‌های فرم */
.form-section {
  display: none;
  padding: 0.7rem 0.6rem;
  border-radius: var(--radius-md);
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.7), transparent 70%),
    var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

body.theme-light .form-section {
  background: var(--color-bg-card);
}
.form-section--active {
  display: block;
}

.form-section__title {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-strong);
}

/* کارت‌ها و fieldsetها */
.form-card,
.party-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  padding: 0.7rem 0.7rem 0.8rem;
  margin: 0.45rem 0;
  background: radial-gradient(circle at top left, rgba(30, 64, 175, 0.4), transparent 65%),
    var(--color-bg-card);
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

body.theme-light .form-card,
body.theme-light .party-card {
  background: var(--color-bg-card);
}

.form-card legend,
.party-card legend {
  padding: 0 0.25rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* ==============================
   فرم‌ها / input / select / textarea
   ============================== */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.6rem;
}

.form-group--inline {
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
}

.form-group--hidden {
  display: none;
}

.select-with-meta {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
  max-width: 100%;
}

.select-with-meta .form-control {
  flex: 1;
  min-width: 0;
  max-width: 100%;
  width: 100%;
}

.select-with-meta .select-glass-wrap {
  flex: 1;
  min-width: 0;
  max-width: 100%;
  width: 100%;
}

.select-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  min-width: 0;
  overflow: hidden;
}

.select-name {
  font-size: 0.72rem;
  color: var(--color-text-soft);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.select-name__text {
  display: inline-block;
  padding-inline-end: 1.5rem;
}

.select-name--marquee {
  mask-image: linear-gradient(90deg, transparent 0, #000 12%, #000 88%, transparent 100%);
}

.select-name--marquee .select-name__text {
  animation: select-marquee 9s linear infinite;
}

.select-meta {
  font-size: 0.65rem;
  color: #38bdf8;
  white-space: nowrap;
  flex-shrink: 0;
}

.select-meta--empty {
  opacity: 0;
}

.select-glass {
  background: linear-gradient(
      135deg,
      rgba(15, 23, 42, 0.72),
      rgba(30, 41, 59, 0.45)
    ),
    rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.35);
  backdrop-filter: blur(14px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.select-glass:focus {
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.35);
}

.select-glass-wrap {
  position: relative;
  width: 100%;
  min-width: 0;
}

.select-glass-native {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.select-glass-display {
  width: 100%;
  border-radius: 0.8rem;
  padding: 0.55rem 0.85rem;
  font-size: 0.82rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: linear-gradient(
      135deg,
      rgba(15, 23, 42, 0.72),
      rgba(30, 41, 59, 0.45)
    ),
    rgba(15, 23, 42, 0.55);
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  cursor: pointer;
  text-align: right;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
    background-color var(--transition-fast), transform var(--transition-fast);
  backdrop-filter: blur(14px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.select-glass-display::after {
  content: "\f107";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 0.85rem;
  color: rgba(148, 163, 184, 0.9);
}

.select-glass-display:focus {
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.35);
  transform: translateY(-0.5px);
}

.select-glass-display--placeholder {
  color: var(--color-text-soft);
}

.select-glass-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.select-glass-display.is-disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.select-glass-wrap.is-open .select-glass-display {
  border-radius: 0.8rem 0.8rem 0.5rem 0.5rem;
}

.select-glass-options {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  left: 0;
  z-index: 80;
  max-height: 260px;
  overflow: auto;
  border-radius: 0.7rem 0.7rem 1rem 1rem;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: linear-gradient(
      160deg,
      rgba(15, 23, 42, 0.92),
      rgba(30, 41, 59, 0.7)
    ),
    rgba(2, 6, 23, 0.78);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 18px 40px rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(20px) saturate(160%);
  padding: 0.35rem;
  display: none;
  overscroll-behavior: contain;
}

.select-glass-wrap.is-open .select-glass-options {
  display: block;
}

.select-glass-wrap--zoom .select-glass-options {
  top: calc(100% + 0.4rem);
  bottom: auto;
}

@media (max-width: 640px) {
  .select-glass-wrap--zoom .select-glass-options {
    top: auto;
    bottom: calc(100% + 0.4rem);
  }
  .select-glass-wrap--zoom.is-open .select-glass-display {
    border-radius: 0.5rem 0.5rem 0.8rem 0.8rem;
  }
  .select-glass-wrap--zoom.is-open .select-glass-options {
    border-radius: 1rem 1rem 0.7rem 0.7rem;
  }
}

.select-glass-option {
  width: 100%;
  border: none;
  border-radius: 0.6rem;
  padding: 0.45rem 0.7rem;
  background: transparent;
  color: var(--color-text-strong);
  font-size: 0.78rem;
  text-align: right;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  transition: background-color var(--transition-fast), color var(--transition-fast),
    transform var(--transition-fast);
}

.select-glass-option::after {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: transparent;
}

.select-glass-option:hover {
  background: linear-gradient(
      135deg,
      rgba(56, 189, 248, 0.22),
      rgba(14, 116, 144, 0.18)
    );
  transform: translateX(-2px);
}

.select-glass-option.is-selected {
  background: linear-gradient(
      135deg,
      rgba(56, 189, 248, 0.28),
      rgba(59, 130, 246, 0.18)
    );
  color: #f8fafc;
}

.select-glass-option.is-selected::after {
  background: linear-gradient(135deg, #38bdf8, #22d3ee);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.18);
}

.select-glass-option.is-disabled {
  color: rgba(148, 163, 184, 0.6);
  cursor: not-allowed;
}

body.theme-light .select-glass-display {
  background: linear-gradient(
      160deg,
      rgba(248, 250, 252, 0.95),
      rgba(226, 232, 240, 0.85)
    ),
    rgba(241, 245, 249, 0.92);
  border-color: rgba(148, 163, 184, 0.6);
  color: #0f172a;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6),
    0 16px 30px rgba(15, 23, 42, 0.08);
}

body.theme-light .select-glass-display::after {
  color: rgba(71, 85, 105, 0.9);
}

body.theme-light .select-glass-options {
  background: linear-gradient(
      160deg,
      rgba(248, 250, 252, 0.98),
      rgba(226, 232, 240, 0.9)
    ),
    rgba(241, 245, 249, 0.96);
  border-color: rgba(148, 163, 184, 0.6);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.7),
    0 16px 30px rgba(15, 23, 42, 0.08);
}

body.theme-light .select-glass-option {
  color: #0f172a;
}

body.theme-light .select-glass-option:hover {
  background: linear-gradient(
      135deg,
      rgba(14, 165, 233, 0.18),
      rgba(59, 130, 246, 0.12)
    );
}

body.theme-light .select-glass-option.is-selected {
  background: linear-gradient(
      135deg,
      rgba(14, 165, 233, 0.22),
      rgba(59, 130, 246, 0.16)
    );
  color: #0f172a;
}

select.select-glass {
  appearance: none;
  background-image: linear-gradient(
      45deg,
      transparent 50%,
      rgba(148, 163, 184, 0.85) 50%
    ),
    linear-gradient(
      135deg,
      rgba(148, 163, 184, 0.85) 50%,
      transparent 50%
    );
  background-position: calc(100% - 18px) calc(50% - 3px),
    calc(100% - 12px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2rem;
}

select.select--scroll {
  border-radius: 0.7rem;
  padding: 0.45rem 0.7rem;
  background: linear-gradient(
      160deg,
      rgba(15, 23, 42, 0.94),
      rgba(30, 41, 59, 0.7)
    ),
    rgba(2, 6, 23, 0.78);
  border: 1px solid rgba(148, 163, 184, 0.5);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 16px 30px rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(18px) saturate(155%);
  overflow: hidden;
}

select.select--scroll:focus {
  border-radius: 0.55rem 0.55rem 1rem 1rem;
}

select.select--scroll option {
  background: rgba(15, 23, 42, 0.96);
  color: var(--color-text-strong);
  padding: 0.4rem 0.75rem;
}

select.select--scroll option:checked,
select.select--scroll option:focus {
  background: linear-gradient(
      135deg,
      rgba(56, 189, 248, 0.28),
      rgba(59, 130, 246, 0.18)
    );
}

select.select--scroll option:hover {
  background: linear-gradient(
      135deg,
      rgba(56, 189, 248, 0.22),
      rgba(14, 116, 144, 0.2)
    );
}

body.theme-light select.select--scroll {
  background: linear-gradient(
      160deg,
      rgba(248, 250, 252, 0.95),
      rgba(226, 232, 240, 0.85)
    ),
    rgba(241, 245, 249, 0.92);
  border-color: rgba(148, 163, 184, 0.6);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6),
    0 16px 30px rgba(15, 23, 42, 0.08);
}

body.theme-light select.select--scroll:focus {
  border-radius: 0.55rem 0.55rem 1rem 1rem;
}

body.theme-light select.select--scroll option {
  background: rgba(248, 250, 252, 0.98);
  color: #0f172a;
}

body.theme-light select.select--scroll option:checked,
body.theme-light select.select--scroll option:focus {
  background: linear-gradient(
      135deg,
      rgba(14, 165, 233, 0.22),
      rgba(59, 130, 246, 0.15)
    );
}

body.theme-light select.select--scroll option:hover {
  background: linear-gradient(
      135deg,
      rgba(14, 165, 233, 0.18),
      rgba(59, 130, 246, 0.12)
    );
}

@keyframes select-marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-100%);
  }
}

.form-group-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
}

label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.form-control {
  border-radius: 0.7rem;
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-bg-elevated);
  color: var(--color-text-main);
  padding: 0.5rem 0.7rem;
  font-size: 0.82rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
    background-color var(--transition-fast), transform var(--transition-fast);
}

.form-control::placeholder {
  color: var(--color-text-soft);
}

.form-control:focus {
  border-color: var(--color-primary-strong);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.45);
  background-color: rgba(15, 23, 42, 1);
  transform: translateY(-0.5px);
}

select.select--scroll {
  max-height: 12rem;
  overflow-y: auto;
}

/* textarea */
textarea.form-control {
  resize: vertical;
  min-height: 3rem;
}

/* hint متن زیر فیلدها */
.form-hint {
  font-size: 0.7rem;
  color: var(--color-text-soft);
}

/* چک‌باکس، رادیو، سوئیچ‌ها */
.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--color-text-soft);
  cursor: pointer;
}

.checkbox--inline {
  margin-top: 0.25rem;
}

.checkbox input[type="checkbox"] {
  accent-color: var(--color-primary-strong);
}

.checkbox--terms {
  position: relative;
  padding: 0.5rem;
  border-radius: 0.5rem;
  background: rgba(15, 23, 42, 0.5);
}

.checkbox--terms input[type="checkbox"] {
  position: relative;
}

.checkbox--terms input[type="checkbox"]:not(:checked) {
  position: relative;
}

.checkbox--terms input[type="checkbox"]:not(:checked) + span {
  position: relative;
}

.checkbox--terms input[type="checkbox"]:not(:checked) + span::before {
  content: "";
  position: absolute;
  right: -29px;
  top: 50%;
  transform: translateY(-50%);
  width: 25px;
  height: 25px;
  border-radius: 50%;
  border: 2px solid rgba(34, 197, 94, 0.6);
  animation: pulse-green 2s ease-in-out infinite;
  pointer-events: none;
  z-index: 1;
}

.checkbox--terms input[type="checkbox"]:not(:checked) + span::after {
  content: "";
  position: absolute;
  right: -29px;
  top: 50%;
  transform: translateY(-50%);
  width: 25px;
  height: 25px;
  border-radius: 50%;
  border: 2px solid rgba(34, 197, 94, 0.4);
  animation: pulse-green 2s ease-in-out infinite 0.5s;
  pointer-events: none;
  z-index: 1;
}

@keyframes pulse-green {
  0%, 100% {
    transform: translateY(-50%) scale(1);
    opacity: 0.8;
  }
  50% {
    transform: translateY(-50%) scale(1.3);
    opacity: 0.3;
  }
}

.terms-link {
  color: var(--color-primary-strong);
  text-decoration: underline;
  font-weight: 600;
  cursor: pointer;
}

.terms-link:hover {
  color: var(--color-primary);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
  filter: grayscale(0.3);
}

.form-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.radio {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.radio input[type="radio"] {
  accent-color: var(--color-primary-strong);
}

/* سوئیچ (toggle) */
.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch__slider {
  position: relative;
  cursor: pointer;
  width: 48px;
  height: 24px;
  background-color: rgba(148, 163, 184, 0.4);
  border-radius: 999px;
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

.switch__slider::before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  top: 3px;
  border-radius: 50%;
  background-color: #ffffff;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.switch__label {
  white-space: nowrap;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.switch input:checked + .switch__slider {
  background: linear-gradient(135deg, #38bdf8, #22c55e);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.3), inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.switch input:checked + .switch__slider::before {
  transform: translateX(24px);
  background-color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

/* ==============================
   PARTIES (فروشنده | خریدار)
   ============================== */

.party-card {
  margin-top: 0.6rem;
}

/* ==============================
   جدول آیتم‌های فاکتور
   ============================== */

.table-settings {
  margin-bottom: 0.75rem;
}
.table-settings__title {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin: 0 0 0.4rem;
}
.table-settings__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

.invoice-items {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  padding: 0.6rem;
  background: radial-gradient(circle at top, rgba(6, 78, 59, 0.4), transparent 65%),
    var(--color-bg-card);
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

body.theme-light .invoice-items {
  background: var(--color-bg-card);
}

.invoice-items__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.invoice-items__header h3 {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-strong);
}

.invoice-items__table-wrapper {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  border-radius: 0.8rem;
  border: 1px solid var(--color-border-subtle);
  background: var(--color-bg-elevated);
  transition: background var(--transition-normal), border-color var(--transition-normal);
  scrollbar-width: thin;
  scrollbar-color: rgba(148, 163, 184, 0.5) transparent;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x;
  overscroll-behavior-x: contain;
  will-change: scroll-position;
  position: relative;
}

/* استایل اسکرول افقی برای جدول کالا و خدمات */
.invoice-items__table-wrapper::-webkit-scrollbar {
  height: 8px;
}

.invoice-items__table-wrapper::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.5);
  border-radius: 10px;
  margin: 4px 0;
}

.invoice-items__table-wrapper::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.5);
  border-radius: 10px;
  transition: background var(--transition-fast);
}

.invoice-items__table-wrapper::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.7);
}

body.theme-light .invoice-items__table-wrapper::-webkit-scrollbar-track {
  background: rgba(243, 244, 246, 0.8);
}

body.theme-light .invoice-items__table-wrapper::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.4);
}

body.theme-light .invoice-items__table-wrapper::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.6);
}

/* جدول */
.invoice-items__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
  font-size: 0.78rem;
  touch-action: pan-x;
}

/* بهبود اسکرول تاچ در موبایل */
@media (max-width: 768px) {
  .controls-nav {
    scroll-snap-type: x mandatory;
    scroll-padding: 0 0.4rem;
  }
  
  .controls-nav__item {
    scroll-snap-align: start;
  }
  
  .invoice-items__table-wrapper {
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: none;
  }
  
  /* جلوگیری از zoom هنگام دوبار تاچ در موبایل */
  .controls-nav__item:active {
    touch-action: manipulation;
  }
  
  /* اطمینان از اینکه wrapper اسکرول افقی را می‌پذیرد */
  .invoice-items__table-wrapper * {
    pointer-events: auto;
  }
}

.invoice-items__table thead {
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.88));
}

.invoice-items__table th,
.invoice-items__table td {
  padding: 0.4rem 0.45rem;
  border-bottom: 1px solid rgba(30, 64, 175, 0.4);
  text-align: right;
}

.invoice-items__table th {
  font-weight: 600;
  color: #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 1;
}

.invoice-items__table tbody tr:last-child td {
  border-bottom: none;
}

.invoice-item-row:hover {
  background: radial-gradient(circle at center, rgba(30, 64, 175, 0.3), transparent 65%);
}

/* ستون‌ها */
.col-row {
  width: 40px;
  text-align: center;
  color: var(--color-text-soft);
}
.col-name {
  min-width: 160px;
}
.col-desc {
  min-width: 160px;
}
.col-unit-price,
.col-quantity,
.col-unit,
.col-total {
  width: 120px;
}

.item-total--readonly {
  background-color: rgba(15, 23, 42, 0.6) !important;
  color: var(--color-text-muted) !important;
  cursor: not-allowed;
  font-weight: 500;
}
.col-actions {
  width: 70px;
  text-align: center;
}

/* ==============================
   SUMMARIES / TOTALS
   ============================== */

.totals-summary {
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.5);
  padding: 0.6rem;
  background: radial-gradient(circle at top, rgba(30, 64, 175, 0.35), transparent 65%),
    rgba(15, 23, 42, 1);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.totals-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-text-main);
}

.totals-row--grand {
  margin-top: 0.35rem;
  padding-top: 0.35rem;
  border-top: 1px dashed rgba(148, 163, 184, 0.5);
  font-weight: 600;
  color: var(--color-primary-strong);
}

/* ==============================
   امضا (Signature)
   ============================== */

.signature-pad-wrapper {
  border-radius: 0.9rem;
  border: 1px dashed rgba(148, 163, 184, 0.8);
  padding: 0.35rem;
  background: rgba(15, 23, 42, 0.9);
}

#signature-canvas {
  width: 100%;
  max-width: 100%;
  display: block;
  border-radius: 0.7rem;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 1));
}

/* ==============================
   PREVIEW PANEL (نمایش فاکتور)
   ============================== */

.preview-panel {
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.18), transparent 65%),
    var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  padding: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: var(--shadow-soft);
  min-width: 0;
  overflow: visible;
  position: relative;
}

.preview-header {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.6rem;
}

.preview-title {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-strong);
}

.preview-header__controls {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.preview-action {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
}

.preview-paper-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(14, 116, 144, 0.25);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.18), rgba(14, 116, 144, 0.18));
  color: var(--color-text-strong);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.preview-paper-indicator__icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.7);
  color: #38bdf8;
  transition: transform 0.2s ease;
}

.preview-paper-indicator[data-orientation="landscape"] .preview-paper-indicator__icon {
  transform: rotate(-90deg);
}

.preview-zoom {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(15, 23, 42, 0.35);
  color: var(--color-text-strong);
}

.preview-zoom-bar {
  margin-top: 0.65rem;
  display: flex;
  justify-content: center;
  overflow: visible;
}

.preview-zoom--center {
  justify-content: center;
}

.preview-zoom-hint {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.8);
  color: #e2e8f0;
  font-size: 0.75rem;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.preview-zoom-hint--visible {
  opacity: 1;
  transform: translateY(0);
}

.preview-zoom__label {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.preview-zoom__controls {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.preview-zoom__btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: rgba(15, 23, 42, 0.6);
  color: var(--color-text-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.preview-zoom__btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.35);
}

.preview-zoom__select {
  min-width: 92px;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.6);
  color: var(--color-text-strong);
  font-size: 0.75rem;
}

/* خود invoice-preview-wrapper و داخلش (استایل اصلی در invoice-preview.css کامل می‌شود) */
.invoice-preview-wrapper {
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 0.5rem;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 1));
  overflow: auto;
  touch-action: pan-x pan-y;
  overscroll-behavior: contain;
}

.invoice-preview__placeholder {
  font-size: 0.8rem;
  color: var(--color-text-soft);
  text-align: center;
  padding: 1.5rem 0.5rem;
}

/* ==============================
   FOOTER
   ============================== */

.app-footer {
  margin-top: auto;
  padding: 0.75rem 0.25rem 0.9rem;
  text-align: center;
  font-size: 0.72rem;
  color: var(--color-text-soft);
}

.app-footer__text {
  margin: 0.15rem 0;
}

.app-footer__text--secondary {
  color: var(--color-text-muted);
}

.app-footer__text--support {
  margin-top: 0.4rem;
}

.support-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  color: #0f172a;
  background: linear-gradient(135deg, #f59e0b, #f97316);
  box-shadow: 0 14px 30px rgba(249, 115, 22, 0.35);
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.support-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(249, 115, 22, 0.45);
  text-decoration: none;
}

.support-link i {
  font-size: 1rem;
}

/* ==============================
   Footer Settings + Modals
   ============================== */

.footer-settings-card .form-hint {
  margin-bottom: 0.75rem;
}

.footer-settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.85rem;
}

.footer-settings-grid .form-group--full {
  grid-column: 1 / -1;
}

.footer-settings-card--locked .footer-settings-advanced {
  display: none;
}

.footer-settings-card--unlocked .footer-settings-grid--locked {
  display: none;
}

.footer-settings-advanced {
  grid-template-columns: 1fr;
}

.footer-settings-advanced .switch {
  width: 100%;
  gap: 0.4rem;
}

.footer-settings-advanced .switch__label {
  white-space: nowrap;
  font-size: 0.76rem;
}

.btn--wide {
  width: 100%;
  justify-content: center;
}

.input-with-action {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.input-with-action .form-control {
  flex: 1;
}

.upload-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.upload-field .form-control {
  flex: 1;
}

.upload-clear {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 0.65rem;
  border: 1px solid rgba(239, 68, 68, 0.55);
  background: rgba(239, 68, 68, 0.16);
  color: #fee2e2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    background-color var(--transition-fast), border-color var(--transition-fast);
}

.upload-clear:hover {
  background: rgba(239, 68, 68, 0.24);
  border-color: rgba(239, 68, 68, 0.7);
  transform: translateY(-1px);
}

.upload-clear:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.35);
}

.upload-clear[hidden] {
  display: none;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.75), rgba(2, 6, 23, 0.9));
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  z-index: 90;
}

body.modal-open {
  overflow: hidden;
}

.modal-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: min(560px, 100%);
  background: linear-gradient(140deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.92));
  border: 1px solid rgba(148, 163, 184, 0.4);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: 0 30px 60px rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(18px);
  transform: translateY(16px) scale(0.98);
  transition: transform var(--transition-normal);
}

.modal-card--payment {
  background: linear-gradient(135deg, rgba(14, 116, 144, 0.2), rgba(15, 23, 42, 0.92));
  border: 1px solid rgba(56, 189, 248, 0.35);
}

.modal-card--terms {
  background: linear-gradient(145deg, rgba(148, 163, 184, 0.12), rgba(15, 23, 42, 0.92));
}

.modal-card--support {
  background: linear-gradient(135deg, rgba(251, 146, 60, 0.18), rgba(15, 23, 42, 0.92));
  border: 1px solid rgba(249, 115, 22, 0.35);
}

.modal-card--confirm {
  background: linear-gradient(135deg, rgba(248, 113, 113, 0.18), rgba(15, 23, 42, 0.92));
  border: 1px solid rgba(248, 113, 113, 0.35);
}

.modal-card--prompt {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(15, 23, 42, 0.92));
  border: 1px solid rgba(59, 130, 246, 0.35);
}

.modal-hero {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.modal-hero__icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  color: #facc15;
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.25);
}

.modal-card--prompt .modal-hero__icon {
  color: #60a5fa;
}

.modal-card--confirm .modal-hero__icon {
  color: #f87171;
}

.modal-hero__text h3 {
  margin: 0;
}

.modal-input {
  width: 100%;
  margin-top: 0.35rem;
}

.button-row--end {
  justify-content: flex-end;
}

.modal-overlay.is-visible .modal-card {
  transform: translateY(0) scale(1);
}

.modal-card h3 {
  margin: 0 0 0.35rem;
  color: var(--color-text-strong);
}

.modal-subtitle {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
}

.modal-body {
  white-space: pre-wrap;
  color: var(--color-text-main);
  margin-bottom: 1.25rem;
  line-height: 1.85;
}

.modal-close {
  border: none;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-strong);
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  float: left;
  cursor: pointer;
}

.support-hero {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.support-hero__icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.85), rgba(249, 115, 22, 0.85));
  color: #0f172a;
  box-shadow: 0 18px 30px rgba(249, 115, 22, 0.4);
  animation: coffeePulse 2.2s ease-in-out infinite;
}

.support-hero__icon i {
  font-size: 1.1rem;
}

.support-amount {
  margin-bottom: 1rem;
  padding: 0.75rem;
  border-radius: 16px;
  border: 1px solid rgba(249, 115, 22, 0.25);
  background: rgba(15, 23, 42, 0.5);
}

.support-amount__display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.support-amount__label {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  margin-bottom: 0.4rem;
}

.support-amount__value {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fdba74;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.6rem;
}

.support-amount__display .support-amount__value {
  margin-bottom: 0;
}

.coffee-cup {
  --coffee-fill: 0;
  --coffee-inner-height: 52px;
  position: relative;
  width: 62px;
  height: 62px;
  border: 3px solid rgba(251, 191, 36, 0.8);
  border-radius: 12px 12px 16px 16px;
  overflow: visible;
  background: rgba(15, 23, 42, 0.45);
  flex-shrink: 0;
}

.coffee-cup::after {
  content: "";
  position: absolute;
  top: 10px;
  right: -18px;
  width: 18px;
  height: 30px;
  border: 3px solid rgba(251, 191, 36, 0.7);
  border-left: none;
  border-radius: 0 16px 16px 0;
  z-index: 3;
}

.coffee-cup__liquid {
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 4px;
  height: calc(var(--coffee-fill) * 0.52px);
  max-height: var(--coffee-inner-height);
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.9), rgba(249, 115, 22, 0.9));
  border-radius: 0 0 10px 10px;
  transition: height 0.6s ease;
  z-index: 2;
}

.coffee-cup__steam {
  position: absolute;
  top: -18px;
  width: 10px;
  height: 20px;
  border-radius: 999px;
  background: rgba(226, 232, 240, 0.65);
  filter: blur(0.5px);
  animation: coffeeSteam 2.6s ease-in-out infinite;
  z-index: 4;
  pointer-events: none;
}

.coffee-cup__steam--1 {
  left: 4px;
  animation-delay: 0s;
}

.coffee-cup__steam--2 {
  left: 22px;
  animation-delay: 0.6s;
}

.coffee-cup__steam--3 {
  left: 40px;
  animation-delay: 1.2s;
}

.support-form {
  display: grid;
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.support-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.support-field label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.support-input {
  border-radius: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background-color: rgba(15, 23, 42, 0.65);
  color: var(--color-text-strong);
  padding: 0.55rem 0.75rem;
  font-size: 0.85rem;
  outline: none;
}

.support-input:focus {
  border-color: rgba(249, 115, 22, 0.7);
  box-shadow: 0 0 0 1px rgba(249, 115, 22, 0.4);
}

.support-amount__range {
  width: 100%;
  accent-color: #fb923c;
}

.support-wallets {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px dashed rgba(148, 163, 184, 0.25);
}

.support-wallets__title {
  font-size: 0.85rem;
  color: var(--color-text-strong);
  margin-bottom: 0.6rem;
}

.support-wallet-list {
  display: grid;
  gap: 0.6rem;
}

.support-wallet {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.6rem 0.7rem;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(15, 23, 42, 0.45);
}

.support-wallet__icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(249, 115, 22, 0.15);
  color: #fdba74;
  font-size: 0.95rem;
}

.support-wallet__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.support-wallet__address {
  font-size: 0.8rem;
  color: var(--color-text-strong);
  word-break: break-all;
}

.support-wallet__meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.support-wallet__copy {
  border: none;
  background: rgba(249, 115, 22, 0.2);
  color: #fdba74;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.support-wallet__copy:hover {
  background: rgba(249, 115, 22, 0.32);
  transform: translateY(-1px);
}

@keyframes coffeePulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 18px 30px rgba(249, 115, 22, 0.35);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 22px 38px rgba(249, 115, 22, 0.55);
  }
}

@keyframes coffeeSteam {
  0%, 100% {
    transform: translateY(0);
    opacity: 0.6;
  }
  50% {
    transform: translateY(-8px);
    opacity: 0.2;
  }
}

.modal-highlight {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.modal-highlight__item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: 14px;
  padding: 0.75rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.payment-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.modal-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.modal-value {
  color: var(--color-text-strong);
  font-weight: 600;
}

.unlock-floating {
  position: fixed;
  bottom: 1.4rem;
  right: 1.4rem;
  z-index: 85;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  transform: translateY(10px);
}

.unlock-floating--active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.unlock-floating__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: none;
  background: linear-gradient(135deg, #38bdf8, #0ea5e9);
  color: #0f172a;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 18px 40px rgba(14, 116, 144, 0.35);
  cursor: pointer;
}

.unlock-floating__toggle i {
  font-size: 0.9rem;
}

.unlock-floating__panel {
  margin-top: 0.5rem;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 18px;
  padding: 0.9rem;
  min-width: 240px;
  display: none;
  box-shadow: 0 24px 40px rgba(15, 23, 42, 0.45);
}

.unlock-floating--open .unlock-floating__panel {
  display: block;
}

.unlock-floating__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  color: var(--color-text-strong);
  margin-bottom: 0.5rem;
}

.unlock-floating__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
}

.unlock-floating__close:hover {
  background: rgba(148, 163, 184, 0.12);
  color: var(--color-text-strong);
}

.unlock-floating__code {
  text-align: center;
  font-size: 1.1rem;
  letter-spacing: 2px;
  color: #facc15;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 0.5rem 0.7rem;
}

.unlock-floating__timer {
  margin-top: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  text-align: center;
}

body.pdf-exporting .unlock-floating {
  display: none !important;
}

body.pdf-exporting .preview-zoom-bar,
body.pdf-exporting .preview-zoom-hint {
  display: none !important;
}

@media print {
  .unlock-floating {
    display: none !important;
  }
}

.toast-container {
  position: fixed;
  bottom: 1.4rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 95;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: rgba(15, 23, 42, 0.92);
  color: var(--color-text-strong);
  padding: 0.6rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.4);
  font-size: 0.85rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.bootstrap-blocker {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.92), rgba(2, 6, 23, 0.96));
  backdrop-filter: blur(12px);
}

.bootstrap-blocker__card {
  max-width: 480px;
  width: 100%;
  border-radius: 1.1rem;
  padding: 1.6rem 1.4rem;
  background: linear-gradient(
      140deg,
      rgba(30, 41, 59, 0.82),
      rgba(15, 23, 42, 0.7)
    );
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.5);
  text-align: center;
  color: #e2e8f0;
}

.bootstrap-blocker__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 0.8rem;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: rgba(56, 189, 248, 0.16);
  color: #7dd3fc;
  font-size: 1.6rem;
}

.bootstrap-blocker__title {
  margin: 0 0 0.6rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: #f8fafc;
}

.bootstrap-blocker__text {
  margin: 0;
  font-size: 0.85rem;
  color: #cbd5f5;
  line-height: 1.7;
}

.toast.toast--visible {
  opacity: 1;
  transform: translateY(0);
}

.toast__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.5rem;
  color: #94a3b8;
}

.toast--success {
  border-color: rgba(34, 197, 94, 0.5);
  box-shadow: 0 16px 32px rgba(22, 163, 74, 0.25);
}

.toast--success .toast__icon {
  color: #22c55e;
}

.toast--info {
  border-color: rgba(56, 189, 248, 0.5);
  box-shadow: 0 16px 32px rgba(14, 116, 144, 0.25);
}

.toast--info .toast__icon {
  color: #38bdf8;
}

.toast--warning {
  border-color: rgba(245, 158, 11, 0.5);
  box-shadow: 0 16px 32px rgba(180, 83, 9, 0.25);
}

.toast--warning .toast__icon {
  color: #f59e0b;
}

.toast--danger {
  border-color: rgba(249, 115, 22, 0.55);
  box-shadow: 0 16px 32px rgba(154, 52, 18, 0.25);
}

.toast--danger .toast__icon {
  color: #f97316;
}

@media (max-width: 640px) {
  .input-with-action {
    flex-direction: column;
    align-items: stretch;
  }
  .unlock-floating {
    right: 1rem;
    left: 1rem;
    bottom: 1rem;
  }
  .support-amount__display {
    flex-direction: column;
    align-items: stretch;
  }
  .coffee-cup {
    align-self: center;
  }
  .modal-card {
    padding: 1.1rem;
  }
  .modal-highlight {
    grid-template-columns: 1fr;
  }
}

/* ==============================
   RESPONSIVE DESIGN
   ============================== */

/* تبلت و بالاتر */
@media (min-width: 768px) {
  .app-root {
    padding: 1rem 1rem 1.2rem;
    gap: 1rem;
  }

  .app-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .app-main {
    gap: 1rem;
    flex-direction: row;
    align-items: stretch;
    flex: 1;
    min-height: 0;
  }

  .form-group-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .table-settings__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .controls-panel,
  .preview-panel {
    min-height: 0;
    min-width: 0;
  }

  .controls-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex: 1.35 1 0;
  }

  .invoice-form {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding-inline-end: 0.15rem;
  }

  .preview-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex: 1 1 0;
    max-width: 100%;
  }
}

/* دسکتاپ و لپ‌تاپ (دو ستونی: فرم + پیش‌نمایش) */
@media (min-width: 1024px) {
  .app-main {
    flex-direction: row;
    align-items: stretch;
  }

  .controls-panel {
    flex: 1.4;
    position: relative;
    top: auto;
    max-height: none;
    overflow: hidden;
  }

  .preview-panel {
    flex: 1;
  }

  .form-group-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  /* باکس های فروشنده و خریدار در دسکتاپ 2 ستونه */
  .party-card .form-group-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* باکس تخفیف و جمع کل در دسکتاپ 2 ستونه */
  #section-totals .form-card .form-group-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .table-settings__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* صفحه‌های بسیار کوچک (زیر 360px) */
@media (max-width: 360px) {
  .btn {
    padding-inline: 0.7rem;
  }

  .app-title {
    font-size: 1.1rem;
  }
}
.app-logo {
  flex-shrink: 0;
  border-radius: 1rem;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.25);
}

/* ==============================
   Unified Scrollbars (Glass + Stripes)
   ============================== */

:root {
  --scrollbar-size: 8px;
  --scrollbar-track-color: rgba(15, 23, 42, 0.65);
  --scrollbar-thumb-color: rgba(148, 163, 184, 0.75);
  --scrollbar-thumb-border: rgba(15, 23, 42, 0.6);
  --scrollbar-track-gradient: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.9),
    rgba(30, 41, 59, 0.85)
  );
  --scrollbar-thumb-gradient: linear-gradient(
    135deg,
    rgba(56, 189, 248, 0.9),
    rgba(34, 197, 94, 0.8)
  );
  --scrollbar-thumb-gradient-hover: linear-gradient(
    135deg,
    rgba(56, 189, 248, 1),
    rgba(34, 197, 94, 0.95)
  );
  --scrollbar-stripe-gradient: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.28) 0 6px,
    rgba(255, 255, 255, 0.1) 6px 12px
  );
  --scrollbar-stripe-size: 22px;
}

body.theme-light {
  --scrollbar-track-color: rgba(226, 232, 240, 0.85);
  --scrollbar-thumb-color: rgba(100, 116, 139, 0.7);
  --scrollbar-thumb-border: rgba(148, 163, 184, 0.6);
  --scrollbar-track-gradient: linear-gradient(
    135deg,
    rgba(241, 245, 249, 0.9),
    rgba(226, 232, 240, 0.85)
  );
  --scrollbar-thumb-gradient: linear-gradient(
    135deg,
    rgba(14, 116, 144, 0.85),
    rgba(59, 130, 246, 0.8)
  );
  --scrollbar-thumb-gradient-hover: linear-gradient(
    135deg,
    rgba(14, 116, 144, 0.95),
    rgba(59, 130, 246, 0.9)
  );
  --scrollbar-stripe-gradient: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.35) 0 6px,
    rgba(255, 255, 255, 0.15) 6px 12px
  );
}

@keyframes scrollbar-stripes {
  from {
    background-position: 0 0, 0 0;
  }
  to {
    background-position: 22px 22px, 0 0;
  }
}

body,
.controls-nav,
.invoice-items__table-wrapper,
.invoice-preview-wrapper,
.invoice-form {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb-color) var(--scrollbar-track-color);
}

body::-webkit-scrollbar,
.controls-nav::-webkit-scrollbar,
.invoice-items__table-wrapper::-webkit-scrollbar,
.invoice-preview-wrapper::-webkit-scrollbar,
.invoice-form::-webkit-scrollbar {
  width: var(--scrollbar-size);
  height: var(--scrollbar-size);
}

body::-webkit-scrollbar-track,
.controls-nav::-webkit-scrollbar-track,
.invoice-items__table-wrapper::-webkit-scrollbar-track,
.invoice-preview-wrapper::-webkit-scrollbar-track,
.invoice-form::-webkit-scrollbar-track {
  background: var(--scrollbar-track-gradient);
  border-radius: 999px;
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.2);
}

body::-webkit-scrollbar-thumb,
.controls-nav::-webkit-scrollbar-thumb,
.invoice-items__table-wrapper::-webkit-scrollbar-thumb,
.invoice-preview-wrapper::-webkit-scrollbar-thumb,
.invoice-form::-webkit-scrollbar-thumb {
  background-image: var(--scrollbar-thumb-gradient),
    var(--scrollbar-stripe-gradient);
  background-size: 100% 100%, var(--scrollbar-stripe-size)
    var(--scrollbar-stripe-size);
  background-blend-mode: screen;
  border-radius: 999px;
  border: 1px solid var(--scrollbar-thumb-border);
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.35);
  animation: scrollbar-stripes 6s linear infinite;
}

body::-webkit-scrollbar-thumb:hover,
.controls-nav::-webkit-scrollbar-thumb:hover,
.invoice-items__table-wrapper::-webkit-scrollbar-thumb:hover,
.invoice-preview-wrapper::-webkit-scrollbar-thumb:hover,
.invoice-form::-webkit-scrollbar-thumb:hover {
  background-image: var(--scrollbar-thumb-gradient-hover),
    var(--scrollbar-stripe-gradient);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.45);
}
button#btn-new-invoice {
    background: linear-gradient(45deg, #122e94, #4f0087);
    font-weight: 100;
}