/* ======================================================================
   Shubhkamna 365 — Vibrant Festive Glassmorphism (UI overhaul)
   Abandons neo-brutalism. Warm festive aesthetic, light + dark themes.
   ====================================================================== */

/* --- Reset: strict border-box so nothing overflows --- */
*, ::before, ::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* --- Light theme (default) --- */
:root {
  --font: "Noto Sans Devanagari", "Noto Sans", "Mangal", system-ui, -apple-system,
    Segoe UI, Roboto, Helvetica, Arial, sans-serif;

  --bg: linear-gradient(135deg, #fdfbf7 0%, #fef2cf 40%, #fde68a 100%);
  --card-bg: #ffffff;

  --ink: #1f2937;
  --muted: #6b5b4a;
  --accent: #f59e0b;     /* Gold */
  --accent-dark: #b45309;
  --saffron: #ff9933;

  --border: rgba(15, 23, 42, 0.08);
  --shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  --radius: 16px;
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Dark theme --- */
body.dark {
  --bg: #0a0f1a;
  --card-bg: rgba(255, 255, 255, 0.04);

  --ink: #f1f5f9;
  --muted: #94a3b8;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --saffron: #fb923c;

  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

html { height: 100%; }

body {
  width: 100%;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.4s ease, color 0.4s ease;
  position: relative;
}

/* ======================================================================
   Mandatory red disclaimer (normal flow — prominent, does not break flex)
   ====================================================================== */
.disclaimer {
  width: 100%;
  background: #ef4444;
  color: #ffffff;
  font-weight: 700;
  font-size: 13px;
  padding: 10px 16px;
  text-align: center;
  letter-spacing: 0.2px;
  line-height: 1.45;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  z-index: 60;
}
body.dark .disclaimer { color: #ffffff; }

/* ======================================================================
   Header (sticky, clean)
   ====================================================================== */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  gap: 10px;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.4px;
  color: var(--ink);
}
.brand .mark { font-size: 24px; }
.togglebar { display: flex; gap: 8px; }
.iconbtn {
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--ink);
  padding: 8px 14px;
  font-weight: 700;
  font-size: 12px;
  border-radius: 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.iconbtn:hover {
  background: rgba(245, 158, 11, 0.08);
  border-color: var(--accent);
  color: var(--accent);
}
body.dark .iconbtn:hover {
  background: rgba(245, 158, 11, 0.12);
}
.iconbtn:active { transform: translateY(1px); }

/* ======================================================================
   Main layout — centered container (desktop-safe max-width)
   ====================================================================== */
main {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px 20px 40px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ======================================================================
   Panels — modern glass cards
   ====================================================================== */
.panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  position: relative;
}
body.dark .panel {
  border-color: var(--border);
  box-shadow: var(--shadow);
}
.panel h2 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 1.1px;
  color: var(--accent);
  margin-bottom: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ======================================================================
   Occasions — selectable pills
   ====================================================================== */
.occasion-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.occasion {
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--ink);
  border-radius: 14px;
  padding: 12px 8px;
  font-weight: 700;
  font-size: 12px;
  cursor: pointer;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.occasion:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}
body.dark .occasion:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.15);
}
.occasion.active {
  background: linear-gradient(135deg, var(--accent) 0%, var(--saffron) 100%);
  border-color: var(--accent-dark);
  color: #1a0a00;
  box-shadow: 0 10px 24px rgba(245, 158, 11, 0.35);
}
.occasion .emoji { font-size: 22px; }
.occasion .name { font-size: 11px; line-height: 1.25; }

/* ======================================================================
   Canvas preview — strictly responsive
   ====================================================================== */
.preview-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
canvas#preview {
  width: 100%;
  max-width: 500px;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  display: block;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  background: transparent;
}
body.dark canvas#preview {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}
.preview-actions {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  justify-content: center;
}

/* ======================================================================
   Controls — clean modern form elements
   ====================================================================== */
.control-group { margin-top: 10px; display: grid; gap: 12px; }
.control-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.field { display: flex; flex-direction: column; gap: 6px; flex: 1 1 150px; min-width: 0; }
.field label {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
input[type="text"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--card-bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  transition: var(--transition);
}
input::placeholder { color: var(--muted); opacity: 0.7; }
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.18);
}
body.dark input:focus-visible,
body.dark textarea:focus-visible,
body.dark select:focus-visible {
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.25);
}
textarea { min-height: 78px; resize: vertical; }

.filebox {
  border: 1.5px dashed var(--border);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  background: rgba(245, 158, 11, 0.04);
  transition: var(--transition);
}
.filebox:hover {
  border-color: var(--accent);
  background: rgba(245, 158, 11, 0.08);
  color: var(--accent);
}
body.dark .filebox { background: rgba(255, 255, 255, 0.02); }
.filebox input { display: none; }

.palette {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
}
.palette-chip {
  width: 32px;
  height: 32px;
  border: 2px solid rgba(0, 0, 0, 0.12);
  border-radius: 50%;
  cursor: pointer;
  flex: 0 0 auto;
  transition: var(--transition);
}
.palette-chip.active {
  border-color: #ffffff;
  transform: scale(1.12);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.scale-wrap { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.scale-wrap label {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
input[type="range"] { width: 100%; cursor: pointer; accent-color: var(--accent); }

.privacy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pin-row {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.pin-row input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); }
.pin-row input[type="password"] { max-width: 130px; width: auto; }

label.check {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}
label.check input { width: 18px; height: 18px; accent-color: var(--accent); }

/* ======================================================================
   Buttons — vibrant gold-to-saffron gradient primaries
   ====================================================================== */
.btn {
  border: none;
  background: linear-gradient(135deg, var(--accent) 0%, var(--saffron) 100%);
  color: #1a0a00;
  padding: 12px 20px;
  font-weight: 800;
  font-size: 14px;
  border-radius: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.35);
}
.btn:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(245, 158, 11, 0.2); }
.btn.big { width: 100%; font-size: 16px; padding: 16px; }
.btn.secondary {
  background: var(--card-bg);
  color: var(--ink);
  border: 1.5px solid var(--border);
  box-shadow: none;
}
.btn.secondary:hover {
  background: rgba(245, 158, 11, 0.06);
  border-color: var(--accent);
  color: var(--accent);
}
body.dark .btn.secondary:hover {
  background: rgba(255, 255, 255, 0.04);
}
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.rowbtns { display: flex; gap: 10px; margin-top: 10px; }

/* ======================================================================
   Result — short link card
   ====================================================================== */
.linkbox {
  border: 1.5px dashed var(--border);
  border-radius: 12px;
  padding: 16px;
  background: rgba(245, 158, 11, 0.04);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
body.dark .linkbox { background: rgba(255, 255, 255, 0.02); }
.shorturl {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  font-weight: 800;
  word-break: break-all;
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, monospace;
}
body.dark .shorturl { background: rgba(255, 255, 255, 0.03); }
.cta-row { display: flex; gap: 8px; }

/* ======================================================================
   Footer — mandatory credits
   ====================================================================== */
footer {
  border-top: 1px solid var(--border);
  margin-top: 24px;
  padding: 22px 20px 40px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}
footer b { color: var(--accent); }
footer .built { display: block; margin-top: 8px; font-size: 11px; opacity: 0.9; }

/* ======================================================================
   Utilities
   ====================================================================== */
.hidden { display: none !important; }

.toast {
  position: fixed;
  bottom: 120px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card-bg);
  border: 1.5px solid var(--accent);
  color: var(--ink);
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 800;
  z-index: 1000;
  box-shadow: var(--shadow);
  pointer-events: none;
  display: none;
}

/* ======================================================================
   Responsive refinements
   ====================================================================== */
@media (min-width: 640px) {
  .occasion-grid { grid-template-columns: repeat(4, 1fr); }
  main { padding: 24px 32px 40px 32px; }
}