/* ============================================================
   iMusic site-wide styles: header / nav / landing / placeholder.
   Tool-specific styles live in each tool's own folder.
   ============================================================ */

:root {
  --bg: #0c0603;
  --bg-soft: #1a0d03;
  --ink: #d9c8a3;
  --ink-soft: #a08c64;
  --brass: #c9a24a;
  --brass-dim: #8a6420;
  --accent: #d24a3a;
  --card: #2a1505;
  --card-border: rgba(201, 162, 74, 0.25);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(ellipse at top, #2a1505 0%, var(--bg) 70%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Skip link (keyboard/screen-reader users) ---------- */

.skip-link {
  position: absolute;
  top: -48px;
  left: 8px;
  z-index: 1000;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--brass);
  color: var(--bg-soft);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: top 120ms ease;
}

.skip-link:focus {
  top: 8px;
}

/* Indic script helpers: apply the appropriate Noto face. */
.devanagari { font-family: "Noto Sans Devanagari", "Inter", sans-serif; }
.telugu     { font-family: "Noto Sans Telugu",     "Inter", sans-serif; }

a { color: var(--brass); text-decoration: none; }
a:hover { color: #ffd683; }

/* ---------- Site header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(180deg, rgba(26, 13, 3, 0.96) 0%, rgba(12, 6, 3, 0.92) 100%);
  border-bottom: 1px solid var(--brass-dim);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.site-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-logo {
  width: 30px;
  height: 30px;
  color: var(--brass);
  flex-shrink: 0;
  display: block;
}

.brand-text {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand-mark {
  font-family: "Playfair Display", "Georgia", serif;
  font-size: 28px;
  letter-spacing: 2px;
  color: var(--brass);
  font-weight: 700;
  line-height: 1;
}

.brand-tag {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.site-nav {
  display: flex;
  gap: 1px;
  margin-left: auto;
  flex-wrap: wrap;
}

.site-nav a {
  padding: 6px 10px;
  border-radius: 50px;
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.5px;
  white-space: nowrap;
  transition: background 120ms ease, color 120ms ease;
}

.site-nav a:hover {
  background: rgba(201, 162, 74, 0.12);
  color: var(--brass);
}

.site-nav a.active {
  background: var(--brass);
  color: var(--bg-soft);
  font-weight: bold;
}

.site-nav a.disabled {
  color: var(--ink-soft);
  cursor: not-allowed;
  pointer-events: none;
  opacity: 0.55;
}

.theme-toggle {
  margin-left: 4px;
  padding: 5px 12px;
  border-radius: 50px;
  border: 1px solid var(--brass-dim);
  background: transparent;
  color: var(--ink-soft);
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.theme-toggle:hover {
  border-color: var(--brass);
  color: var(--brass);
}

.theme-toggle::before {
  content: "◐";
  margin-right: 6px;
  font-size: 13px;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--brass-dim);
  margin-top: 60px;
  padding: 22px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--ink-soft);
}

.site-footer a { color: var(--brass-dim); }
.site-footer a:hover { color: var(--brass); }

.panchangam-widget {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 10px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--card-border);
  font-size: 12px;
  color: var(--ink-soft);
  cursor: help;
}

.panchangam-label {
  color: var(--brass-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 11px;
}

.panchangam-item:not(:last-child)::after {
  content: "·";
  margin-left: 10px;
  color: var(--brass-dim);
}

/* ---------- Landing page hero ---------- */

.landing {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 24px 0;
}

.hero {
  text-align: center;
  padding: 50px 0 60px;
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  margin: 0 0 30px;
}

/* Drifting radial gradient behind the hero — adds visible motion. */
.hero::before {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(circle at 22% 32%, rgba(210, 74, 58, 0.55) 0%, transparent 36%),
    radial-gradient(circle at 78% 68%, rgba(201, 162, 74, 0.55) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(43, 108, 176, 0.22) 0%, transparent 55%);
  filter: blur(28px);
  animation: hero-drift 10s ease-in-out infinite alternate;
  z-index: 0;
  will-change: transform;
}

.hero > * { position: relative; z-index: 1; }

@keyframes hero-drift {
  0%   { transform: translate(-5%, -3%) scale(1);    }
  50%  { transform: translate(6%, 4%)   scale(1.15); }
  100% { transform: translate(-4%, 5%)  scale(1.05); }
}

@media (prefers-reduced-motion: reduce) {
  .hero::before { animation: none; }
}

.hero h1 {
  font-family: "Playfair Display", "Georgia", serif;
  font-size: 44px;
  line-height: 1.25;
  letter-spacing: 0.3px;
  margin: 0 0 16px;
  color: var(--brass);
  font-weight: 700;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.6);
  background: linear-gradient(180deg, #f0d27a 0%, var(--brass) 60%, #8a6420 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 19px;
  color: var(--ink);
  opacity: 0.85;
  margin: 0 auto;
  max-width: 640px;
  line-height: 1.7;
}

.hero .hero-mark {
  display: inline-block;
  font-family: "Noto Sans Devanagari", "Inter", sans-serif;
  font-size: 18px;
  letter-spacing: 6px;
  color: var(--brass-dim);
  margin-bottom: 22px;
}

/* ---------- Tool cards grid ---------- */

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  padding-bottom: 60px;
}

.tool-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  background: linear-gradient(180deg, var(--card) 0%, var(--bg-soft) 100%);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  text-decoration: none;
  color: var(--ink);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
  position: relative;
  overflow: hidden;
}

.tool-card.available:hover {
  transform: translateY(-3px);
  border-color: var(--brass);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.45);
}

.tool-card.coming-soon {
  opacity: 0.65;
  cursor: not-allowed;
}

.tool-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 10px;
  color: var(--brass);
  display: block;
  transition: transform 220ms ease, color 220ms ease;
}

.tool-card.available:hover .tool-icon {
  transform: scale(1.06) rotate(-2deg);
}

.tool-card h2 {
  margin: 0;
  font-family: "Playfair Display", "Georgia", serif;
  font-size: 24px;
  letter-spacing: 1px;
  color: var(--brass);
  font-weight: 700;
}

.tool-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
  opacity: 0.85;
  flex: 1;
}

.tool-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--brass);
}

.tool-card.coming-soon .tool-status {
  color: var(--ink-soft);
  background: rgba(201, 162, 74, 0.06);
  border: 1px dashed var(--brass-dim);
  padding: 3px 10px;
  border-radius: 50px;
  align-self: flex-start;
}

/* ---------- Generic content page (about / placeholder) ---------- */

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 24px;
}

.page h1 {
  font-family: "Playfair Display", "Georgia", serif;
  font-size: 44px;
  letter-spacing: 1px;
  color: var(--brass);
  margin: 0 0 18px;
  font-weight: 700;
}

.page h2 {
  font-family: "Playfair Display", "Georgia", serif;
  font-size: 24px;
  letter-spacing: 1px;
  color: var(--brass);
  margin-top: 36px;
  font-weight: 600;
}

.page p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  opacity: 0.9;
}

.page ul { line-height: 1.8; }

.placeholder-hero {
  text-align: center;
  padding: 80px 20px;
}

.placeholder-hero .icon {
  font-size: 64px;
  margin-bottom: 14px;
}

.placeholder-hero .badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px dashed var(--brass-dim);
  color: var(--brass-dim);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 16px 0;
}

/* ---------- Responsive ---------- */

/* Below the width where the full nav fits beside the brand, wrap the
   *entire* nav onto its own row rather than letting one item (usually
   the theme toggle) spill over alone onto a stray second line. */
@media (max-width: 1180px) {
  .site-nav {
    flex-basis: 100%;
    margin-left: 0;
    justify-content: flex-start;
  }
  .site-nav a { padding: 5px 6px; font-size: 11px; letter-spacing: 0; }
  .theme-toggle { padding: 4px 8px; font-size: 11px; margin-left: 2px; }
}

@media (max-width: 640px) {
  .hero h1 { font-size: 27px; letter-spacing: 0.3px; }
  .hero p { font-size: 15px; }
  .site-header-inner { padding: 10px 14px; gap: 10px; }
  .brand-mark { font-size: 20px; letter-spacing: 2px; }
  .brand-tag { display: none; }
  .brand-logo { width: 24px; height: 24px; }
  .site-nav a { padding: 4px 10px; font-size: 12px; }
  .landing { padding: 30px 14px 0; }
  .tool-card { padding: 18px; }
  .page { padding: 30px 18px; }
}

/* ============================================================
   PLAIN theme — site-wide overrides.
   Activated by `theme-plain` class on <body>. Tool-specific
   overrides (e.g. for the harmonium cabinet) live in each tool's
   own stylesheet and stack on top of these.
   ============================================================ */

body.theme-plain {
  --bg: #f0f2f6;
  --bg-soft: #ffffff;
  --ink: #2d3748;
  --ink-soft: #718096;
  --brass: #2b6cb0;
  --brass-dim: #cbd5e0;
  --accent: #e53e3e;
  --card: #ffffff;
  --card-border: #e2e8f0;

  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
}

body.theme-plain .site-header {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(247, 250, 252, 0.92) 100%);
  border-bottom-color: var(--card-border);
}

body.theme-plain .brand-mark {
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 600;
}
body.theme-plain .brand-logo { color: var(--brass); }
body.theme-plain .brand-tag  { color: var(--ink-soft); }

body.theme-plain .site-nav a { color: var(--ink); }
body.theme-plain .site-nav a:hover {
  background: rgba(43, 108, 176, 0.1);
  color: var(--brass);
}
body.theme-plain .site-nav a.active {
  background: var(--brass);
  color: #ffffff;
}

body.theme-plain .theme-toggle {
  border-color: var(--brass-dim);
  color: var(--ink-soft);
}
body.theme-plain .theme-toggle:hover {
  border-color: var(--brass);
  color: var(--brass);
}

body.theme-plain .hero h1 {
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 700;
  text-shadow: none;
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  -webkit-text-fill-color: var(--ink);
}
body.theme-plain .hero p { color: var(--ink-soft); }
body.theme-plain .hero .hero-mark { color: var(--brass); }

body.theme-plain .tool-card {
  background: var(--card);
  border-color: var(--card-border);
  color: var(--ink);
  box-shadow: 0 2px 6px rgba(45, 55, 72, 0.04);
}
body.theme-plain .tool-card.available:hover {
  border-color: var(--brass);
  box-shadow: 0 12px 24px rgba(45, 55, 72, 0.08);
}
body.theme-plain .tool-card h2 { color: var(--brass); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-weight: 600; }
body.theme-plain .tool-card p { color: var(--ink-soft); }
body.theme-plain .tool-status { color: var(--brass); }
body.theme-plain .tool-card.coming-soon .tool-status {
  color: var(--ink-soft);
  background: #f7fafc;
  border-color: var(--card-border);
}

body.theme-plain .page h1,
body.theme-plain .page h2 {
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 600;
}
body.theme-plain .page p,
body.theme-plain .page ul { color: var(--ink-soft); }
body.theme-plain .page a { color: var(--brass); }

body.theme-plain .placeholder-hero .badge {
  border-color: var(--brass-dim);
  color: var(--ink-soft);
}

body.theme-plain .site-footer {
  border-top-color: var(--card-border);
  color: var(--ink-soft);
}
body.theme-plain .site-footer a { color: var(--brass-dim); }
body.theme-plain .site-footer a:hover { color: var(--brass); }