/* ============================================================================
 *  PersianDatePicker v3.0.0 — Stylesheet
 *  Jalali / Gregorian date picker. Shows Persian, submits Gregorian.
 *
 *  • Everything is namespaced under .jdp / .jdp-*  (won't collide with your app)
 *  • Fully themeable via CSS variables (override --jdp-* on .jdp / .jdp-cal)
 *  • Light / Dark via the `theme` option ('auto' follows the OS)
 *  • RTL aware (logical properties); inherits your project's font
 * ========================================================================== */

/* ------------------------------------------------------------------ *
 *  Design tokens (light theme = default)
 *  The calendar popup is portaled to <body>, so tokens are declared on
 *  BOTH the field wrapper (.jdp) and the popup (.jdp-cal).
 * ------------------------------------------------------------------ */
.jdp,
.jdp-cal {
  --jdp-accent:            #4f46e5;
  --jdp-accent-strong:     #4338ca;
  --jdp-accent-contrast:   #ffffff;
  --jdp-accent-soft:       #eef2ff;

  --jdp-bg:                #ffffff;
  --jdp-surface:           #f8fafc;
  --jdp-surface-2:         #f1f5f9;
  --jdp-border:            #e2e8f0;
  --jdp-border-strong:     #cbd5e1;

  --jdp-text:              #1e293b;
  --jdp-text-soft:         #475569;
  --jdp-muted:             #94a3b8;
  --jdp-weekend:           #e11d48;
  --jdp-disabled:          #cbd5e1;

  --jdp-hover:             #f1f5f9;
  --jdp-today-ring:        #c7d2fe;

  --jdp-radius:            14px;
  --jdp-radius-sm:         9px;
  --jdp-radius-xs:         7px;
  --jdp-shadow:            0 10px 30px rgba(15, 23, 42, .12), 0 4px 10px rgba(15, 23, 42, .06);
  --jdp-shadow-sm:         0 1px 2px rgba(15, 23, 42, .06);
  --jdp-ring:              0 0 0 3px rgba(79, 70, 229, .18);
  --jdp-ease:              cubic-bezier(.4, 0, .2, 1);
}

/* OS-driven dark mode for the default `theme:'auto'` (no explicit class set) */
@media (prefers-color-scheme: dark) {
  .jdp:not(.jdp--light),
  .jdp-cal:not(.jdp--light) {
    --jdp-accent:          #818cf8;
    --jdp-accent-strong:   #a5b4fc;
    --jdp-accent-contrast: #0b1020;
    --jdp-accent-soft:     #1e1b4b;

    --jdp-bg:              #1c1c28;
    --jdp-surface:         #23232f;
    --jdp-surface-2:       #2a2a38;
    --jdp-border:          #34344a;
    --jdp-border-strong:   #45455e;

    --jdp-text:            #e6e8ee;
    --jdp-text-soft:       #b9bfce;
    --jdp-muted:           #6b7280;
    --jdp-weekend:         #fb7185;
    --jdp-disabled:        #45455e;

    --jdp-hover:           #2d2d3d;
    --jdp-today-ring:      #4f46e5;
    --jdp-shadow:          0 14px 40px rgba(0, 0, 0, .5), 0 6px 14px rgba(0, 0, 0, .35);
    --jdp-ring:            0 0 0 3px rgba(129, 140, 248, .28);
  }
}

/* Explicit dark (theme:'dark') — wins regardless of OS preference */
.jdp.jdp--dark,
.jdp-cal.jdp--dark {
  --jdp-accent:          #818cf8;
  --jdp-accent-strong:   #a5b4fc;
  --jdp-accent-contrast: #0b1020;
  --jdp-accent-soft:     #1e1b4b;

  --jdp-bg:              #1c1c28;
  --jdp-surface:         #23232f;
  --jdp-surface-2:       #2a2a38;
  --jdp-border:          #34344a;
  --jdp-border-strong:   #45455e;

  --jdp-text:            #e6e8ee;
  --jdp-text-soft:       #b9bfce;
  --jdp-muted:           #6b7280;
  --jdp-weekend:         #fb7185;
  --jdp-disabled:        #45455e;

  --jdp-hover:           #2d2d3d;
  --jdp-today-ring:      #4f46e5;
  --jdp-shadow:          0 14px 40px rgba(0, 0, 0, .5), 0 6px 14px rgba(0, 0, 0, .35);
  --jdp-ring:            0 0 0 3px rgba(129, 140, 248, .28);
}

/* ------------------------------------------------------------------ *
 *  Field (wrapper + visible input)
 * ------------------------------------------------------------------ */
.jdp {
  position: relative;
  display: inline-block;
  width: 100%;
  font: inherit;                 /* adopt the host project's typography */
  color: var(--jdp-text);
  -webkit-text-size-adjust: 100%;
}
.jdp--rtl { direction: rtl; }

.jdp *,
.jdp-cal * { box-sizing: border-box; }

.jdp-input {
  width: 100%;
  margin: 0;
  padding-block: 11px;
  padding-inline-start: 14px;
  padding-inline-end: 40px;      /* room for the calendar icon */
  font: inherit;
  line-height: 1.4;
  color: var(--jdp-text);
  background: var(--jdp-bg);
  border: 1.5px solid var(--jdp-border);
  border-radius: var(--jdp-radius-sm);
  outline: none;
  cursor: pointer;
  box-shadow: var(--jdp-shadow-sm);
  transition: border-color .18s var(--jdp-ease), box-shadow .18s var(--jdp-ease), background-color .18s var(--jdp-ease);
}
.jdp--filled .jdp-input { padding-inline-start: 34px; }   /* room for the clear button */
.jdp-input::placeholder { color: var(--jdp-muted); opacity: 1; }
.jdp-input:hover { border-color: var(--jdp-border-strong); }
.jdp-input:focus { border-color: var(--jdp-accent); box-shadow: var(--jdp-ring); }

.jdp--disabled .jdp-input,
.jdp-input:disabled {
  cursor: not-allowed;
  opacity: .6;
  background: var(--jdp-surface);
  box-shadow: none;
}

.jdp-icon {
  position: absolute;
  inset-inline-end: 12px;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--jdp-muted);
  pointer-events: none;
  transition: color .18s var(--jdp-ease);
}
.jdp-input:focus ~ .jdp-icon { color: var(--jdp-accent); }
.jdp-icon svg { display: block; width: 18px; height: 18px; }

.jdp-clear {
  position: absolute;
  inset-inline-start: 9px;
  top: 50%;
  transform: translateY(-50%);
  display: none;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  padding: 0;
  font: inherit;
  font-size: 13px;
  line-height: 1;
  color: var(--jdp-muted);
  background: transparent;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  transition: color .15s var(--jdp-ease), background-color .15s var(--jdp-ease);
}
.jdp--filled .jdp-clear { display: inline-flex; }
.jdp-clear:hover { color: var(--jdp-weekend); background: color-mix(in srgb, var(--jdp-weekend) 14%, transparent); }

/* ------------------------------------------------------------------ *
 *  Popup calendar (position:fixed; coords set inline by JS)
 * ------------------------------------------------------------------ */
.jdp-cal {
  position: fixed;
  width: 312px;
  max-width: calc(100vw - 16px);
  font: inherit;
  color: var(--jdp-text);
  background: var(--jdp-bg);
  border: 1px solid var(--jdp-border);
  border-radius: var(--jdp-radius);
  box-shadow: var(--jdp-shadow);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .16s var(--jdp-ease), visibility .16s var(--jdp-ease);
  -webkit-user-select: none;
  user-select: none;
}
.jdp-cal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ---- header ---- */
.jdp-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 12px 10px;
  background: var(--jdp-surface);
  border-bottom: 1px solid var(--jdp-border);
}
.jdp-head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.jdp-head-tools { gap: 8px; }

.jdp-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  color: var(--jdp-text-soft);
  background: var(--jdp-bg);
  border: 1px solid var(--jdp-border);
  border-radius: var(--jdp-radius-xs);
  cursor: pointer;
  transition: background-color .15s var(--jdp-ease), color .15s var(--jdp-ease), border-color .15s var(--jdp-ease);
}
.jdp-nav:hover { background: var(--jdp-hover); color: var(--jdp-accent); border-color: var(--jdp-border-strong); }
.jdp-nav:active { transform: scale(.94); }
.jdp-nav:disabled { opacity: .4; cursor: not-allowed; transform: none; background: var(--jdp-bg); color: var(--jdp-muted); }
.jdp-nav svg { display: block; width: 16px; height: 16px; }

.jdp-title {
  display: flex;
  align-items: center;
  gap: 6px;
}
.jdp-title-btn {
  padding: 6px 10px;
  font: inherit;
  font-weight: 700;
  font-size: .95em;
  color: var(--jdp-text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--jdp-radius-xs);
  cursor: pointer;
  transition: background-color .15s var(--jdp-ease), color .15s var(--jdp-ease);
}
.jdp-title-btn:hover { background: var(--jdp-hover); color: var(--jdp-accent); }

/* calendar switch (شمسی / میلادی) */
.jdp-switch {
  display: inline-flex;
  padding: 3px;
  background: var(--jdp-surface-2);
  border: 1px solid var(--jdp-border);
  border-radius: var(--jdp-radius-xs);
}
.jdp-switch button {
  padding: 5px 12px;
  font: inherit;
  font-size: .8em;
  font-weight: 600;
  color: var(--jdp-text-soft);
  background: transparent;
  border: 0;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color .15s var(--jdp-ease), color .15s var(--jdp-ease), box-shadow .15s var(--jdp-ease);
}
.jdp-switch button:hover:not(.is-active) { color: var(--jdp-text); }
.jdp-switch button.is-active {
  color: var(--jdp-accent);
  background: var(--jdp-bg);
  box-shadow: var(--jdp-shadow-sm);
}

.jdp-today {
  padding: 6px 12px;
  font: inherit;
  font-size: .8em;
  font-weight: 600;
  color: var(--jdp-accent);
  background: var(--jdp-accent-soft);
  border: 1px solid transparent;
  border-radius: var(--jdp-radius-xs);
  cursor: pointer;
  transition: background-color .15s var(--jdp-ease), color .15s var(--jdp-ease);
}
.jdp-today:hover { background: color-mix(in srgb, var(--jdp-accent) 16%, var(--jdp-bg)); }

/* ---- weekday row ---- */
.jdp-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  padding: 10px 12px 4px;
}
.jdp-wd {
  text-align: center;
  font-size: .72em;
  font-weight: 700;
  color: var(--jdp-muted);
  padding: 4px 0;
}
.jdp-wd.is-weekend { color: var(--jdp-weekend); opacity: .85; }

/* ---- day grid ---- */
.jdp-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  padding: 2px 12px 12px;
}
.jdp-day {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  font: inherit;
  font-size: .9em;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--jdp-text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--jdp-radius-xs);
  cursor: pointer;
  transition: background-color .12s var(--jdp-ease), color .12s var(--jdp-ease), border-color .12s var(--jdp-ease);
}
.jdp-day:hover:not(.is-disabled):not(.is-selected) { background: var(--jdp-hover); }
.jdp-day:focus { outline: none; }
.jdp-day:focus-visible { box-shadow: var(--jdp-ring); border-color: var(--jdp-accent); }

.jdp-day.is-other { color: var(--jdp-muted); opacity: .45; }
.jdp-day.is-weekend { color: var(--jdp-weekend); }

.jdp-day.is-today { font-weight: 700; box-shadow: inset 0 0 0 1.5px var(--jdp-today-ring); }
.jdp-day.is-today::after {
  content: "";
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--jdp-accent);
}

.jdp-day.is-selected {
  color: var(--jdp-accent-contrast) !important;
  background: var(--jdp-accent);
  border-color: var(--jdp-accent);
  font-weight: 700;
  box-shadow: 0 4px 10px color-mix(in srgb, var(--jdp-accent) 40%, transparent);
}
.jdp-day.is-selected::after { display: none; }

.jdp-day.is-disabled {
  color: var(--jdp-disabled);
  cursor: not-allowed;
  opacity: .5;
  text-decoration: line-through;
}
.jdp-day.is-disabled:hover { background: transparent; }

/* month-change slide animations (grid has no inline transform -> safe) */
.jdp-slide-next { animation: jdp-slide-next .22s var(--jdp-ease); }
.jdp-slide-prev { animation: jdp-slide-prev .22s var(--jdp-ease); }
@keyframes jdp-slide-next { from { opacity: .3; transform: translateX(-14px); } to { opacity: 1; transform: translateX(0); } }
@keyframes jdp-slide-prev { from { opacity: .3; transform: translateX(14px);  } to { opacity: 1; transform: translateX(0); } }
.jdp--rtl .jdp-slide-next { animation-name: jdp-slide-prev; }
.jdp--rtl .jdp-slide-prev { animation-name: jdp-slide-next; }

/* ---- footer ---- */
.jdp-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 12px;
  background: var(--jdp-surface);
  border-top: 1px solid var(--jdp-border);
}
.jdp-foot-info {
  font-size: .74em;
  color: var(--jdp-muted);
  font-variant-numeric: tabular-nums;
  direction: ltr;
  unicode-bidi: plaintext;
}
.jdp-foot-clear {
  padding: 5px 10px;
  font: inherit;
  font-size: .76em;
  font-weight: 600;
  color: var(--jdp-text-soft);
  background: transparent;
  border: 1px solid var(--jdp-border);
  border-radius: var(--jdp-radius-xs);
  cursor: pointer;
  transition: color .15s var(--jdp-ease), background-color .15s var(--jdp-ease), border-color .15s var(--jdp-ease);
}
.jdp-foot-clear:hover { color: var(--jdp-weekend); border-color: color-mix(in srgb, var(--jdp-weekend) 50%, var(--jdp-border)); }

/* ------------------------------------------------------------------ *
 *  Month / Year selector overlay
 * ------------------------------------------------------------------ */
.jdp-selector {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: none;
  flex-direction: column;
  background: var(--jdp-bg);
  animation: jdp-pop .16s var(--jdp-ease);
}
.jdp-selector.is-open { display: flex; }
@keyframes jdp-pop { from { opacity: 0; } to { opacity: 1; } }

.jdp-sel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  font-weight: 700;
  font-size: .9em;
  color: var(--jdp-text);
  background: var(--jdp-surface);
  border-bottom: 1px solid var(--jdp-border);
}
.jdp-sel-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  padding: 0;
  font: inherit;
  font-size: 13px;
  color: var(--jdp-text-soft);
  background: var(--jdp-surface-2);
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color .15s var(--jdp-ease), color .15s var(--jdp-ease);
}
.jdp-sel-close:hover { color: var(--jdp-weekend); background: var(--jdp-hover); }

.jdp-sel-grid {
  display: grid;
  gap: 6px;
  padding: 12px;
  overflow-y: auto;
  flex: 1 1 auto;
}
.jdp-sel-months { grid-template-columns: repeat(3, 1fr); }
.jdp-sel-years  { grid-template-columns: repeat(4, 1fr); }

.jdp-sel-item {
  padding: 10px 6px;
  font: inherit;
  font-size: .84em;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  text-align: center;
  color: var(--jdp-text);
  background: var(--jdp-surface);
  border: 1px solid transparent;
  border-radius: var(--jdp-radius-xs);
  cursor: pointer;
  transition: background-color .12s var(--jdp-ease), color .12s var(--jdp-ease), border-color .12s var(--jdp-ease);
}
.jdp-sel-item:hover:not(:disabled) { background: var(--jdp-hover); border-color: var(--jdp-border); }
.jdp-sel-item.is-active {
  color: var(--jdp-accent-contrast);
  background: var(--jdp-accent);
  border-color: var(--jdp-accent);
  font-weight: 700;
}
.jdp-sel-item:disabled { opacity: .4; cursor: not-allowed; text-decoration: line-through; }

/* thin scrollbar inside the year list */
.jdp-sel-grid::-webkit-scrollbar { width: 8px; }
.jdp-sel-grid::-webkit-scrollbar-thumb { background: var(--jdp-border-strong); border-radius: 8px; }
.jdp-sel-grid::-webkit-scrollbar-track { background: transparent; }

/* ------------------------------------------------------------------ *
 *  Backdrop + mobile modal sheet (≤480px, toggled by JS)
 * ------------------------------------------------------------------ */
.jdp-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .45);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .2s var(--jdp-ease), visibility .2s var(--jdp-ease);
}
.jdp-backdrop.is-open { opacity: 1; visibility: visible; pointer-events: auto; }

.jdp-cal--modal {
  width: min(360px, calc(100vw - 32px));
  border-radius: var(--jdp-radius);
}
.jdp-cal--modal .jdp-day { height: 40px; }   /* bigger touch targets on phones */

/* ------------------------------------------------------------------ *
 *  Reduced motion
 * ------------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  .jdp-cal,
  .jdp-input,
  .jdp-day,
  .jdp-nav,
  .jdp-backdrop,
  .jdp-selector,
  .jdp-slide-next,
  .jdp-slide-prev {
    transition: none !important;
    animation: none !important;
  }
}
