/* =============================================================================
 * styles.css — UI LAYER (presentation only)
 * Premium mobile: glassmorphism, Material 3 accents, gradient cards, ripple,
 * floating labels, progress circle, bottom-sheet results, collapsible cards.
 * Light theme by default; a full dark palette flips via [data-theme="dark"].
 * ===========================================================================*/

:root {
  --brand-500: #7c3aed; --brand-600: #6d28d9; --brand-700: #5b21b6;
  --accent-500: #06b6d4; --accent-gold: #f59e0b;
  --ok: #16a34a; --ok-bg: #dcfce7;
  --warn: #d97706; --warn-bg: #fef3c7;
  --danger: #dc2626; --danger-bg: #fee2e2;

  --bg-1: #ede9fe; --bg-2: #e0f2fe; --bg-3: #fce7f3;
  --surface: rgba(255,255,255,.72);
  --surface-solid: #fff;
  --surface-2: rgba(255,255,255,.55);
  --border: rgba(124,58,237,.14);
  --border-strong: rgba(124,58,237,.28);
  --text: #1e1b2e; --text-2: #4b475f; --text-3: #8b879b;

  --shadow-sm: 0 1px 2px rgba(30,27,46,.06), 0 2px 6px rgba(30,27,46,.05);
  --shadow-md: 0 6px 18px rgba(76,29,149,.12), 0 2px 6px rgba(30,27,46,.06);
  --shadow-lg: 0 18px 48px rgba(76,29,149,.18);
  --shadow-sheet: 0 -14px 50px rgba(30,27,46,.28);
  --blur: 18px;

  --r-sm: 12px; --r-md: 18px; --r-lg: 26px; --r-pill: 999px;
  --ease: cubic-bezier(.22,1,.36,1);
  --ease-io: cubic-bezier(.65,0,.35,1);
  --maxw: 720px;
  --font: "Inter","Noto Sans Telugu",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-display: "Sora",var(--font);
}

[data-theme="dark"] {
  --bg-1: #1a1730; --bg-2: #0f1e2e; --bg-3: #241326;
  --surface: rgba(30,27,51,.68); --surface-solid: #201d38; --surface-2: rgba(40,36,66,.5);
  --border: rgba(167,139,250,.18); --border-strong: rgba(167,139,250,.34);
  --text: #f2effc; --text-2: #c3bedd; --text-3: #8d88a6;
  --shadow-md: 0 6px 18px rgba(0,0,0,.4); --shadow-lg: 0 18px 48px rgba(0,0,0,.55);
  --shadow-sheet: 0 -14px 50px rgba(0,0,0,.6);
  --ok-bg: rgba(22,163,74,.18); --warn-bg: rgba(217,119,6,.18); --danger-bg: rgba(220,38,38,.18);
}

* , *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); color: var(--text); line-height: 1.55; min-height: 100dvh;
  background:
    radial-gradient(1200px 700px at 8% -8%, var(--bg-1), transparent 55%),
    radial-gradient(1000px 800px at 100% 0%, var(--bg-2), transparent 50%),
    radial-gradient(900px 700px at 50% 120%, var(--bg-3), transparent 55%),
    linear-gradient(180deg,#f6f4ff 0%,#eef6ff 100%);
  background-attachment: fixed; -webkit-font-smoothing: antialiased;
}
[data-theme="dark"] body {
  background:
    radial-gradient(1200px 700px at 8% -8%, var(--bg-1), transparent 55%),
    radial-gradient(1000px 800px at 100% 0%, var(--bg-2), transparent 50%),
    radial-gradient(900px 700px at 50% 120%, var(--bg-3), transparent 55%),
    linear-gradient(180deg,#0d0b1a 0%,#0a1018 100%);
}
.material-symbols-rounded {
  font-family: "Material Symbols Rounded"; font-weight: normal; font-style: normal; line-height: 1;
  letter-spacing: normal; text-transform: none; white-space: nowrap; direction: ltr;
  font-variation-settings: "FILL" 1,"wght" 500,"GRAD" 0,"opsz" 24; user-select: none;
}
.app { max-width: var(--maxw); margin: 0 auto; padding: 20px 16px 120px; }

/* ---- top bar / theme toggle ---- */
.topbar { display: flex; justify-content: flex-end; margin-bottom: 8px; }
.theme-toggle {
  display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: var(--r-pill);
  border: 1px solid var(--border); background: var(--surface); backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur)); color: var(--text-2); cursor: pointer; box-shadow: var(--shadow-sm);
  transition: transform .2s var(--ease);
}
.theme-toggle:hover { transform: rotate(-12deg) scale(1.05); }
.theme-toggle:active { transform: scale(.92); }

/* ---- header ---- */
.header {
  display: flex; align-items: center; gap: 16px; padding: 22px; border-radius: var(--r-lg);
  background: var(--surface); backdrop-filter: blur(var(--blur)); -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border); box-shadow: var(--shadow-md); position: relative; overflow: hidden;
  animation: slideUp .6s var(--ease) both;
}
.header::after {
  content:""; position: absolute; inset: 0;
  background: linear-gradient(120deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);
  transform: translateX(-120%); animation: sheen 4.5s var(--ease) 1s infinite; pointer-events: none;
}
[data-theme="dark"] .header::after { background: linear-gradient(120deg,transparent 30%,rgba(255,255,255,.08) 50%,transparent 70%); }
.compass {
  flex: none; width: 58px; height: 58px; border-radius: 18px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg,var(--brand-500),var(--accent-500)); box-shadow: 0 8px 20px rgba(124,58,237,.4);
}
.compass .material-symbols-rounded { font-size: 34px; animation: spin 12s linear infinite; }
.header h1 {
  font-family: var(--font-display); font-size: clamp(1.3rem,5.2vw,1.8rem); margin: 0; letter-spacing: -.01em;
  background: linear-gradient(90deg,var(--brand-700),var(--accent-500)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.header p { margin: 3px 0 0; color: var(--text-2); font-size: .86rem; font-weight: 500; }

/* ---- tabs ---- */
.tabs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 16px; padding: 6px;
  border-radius: var(--r-pill); background: var(--surface); backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur)); border: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.tab {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 12px 6px;
  border: none; cursor: pointer; border-radius: var(--r-pill); font-family: var(--font); font-weight: 700;
  font-size: .9rem; color: var(--text-2); background: transparent; transition: background .25s var(--ease), color .25s;
  -webkit-tap-highlight-color: transparent; white-space: nowrap;
}
.tab .material-symbols-rounded { font-size: 18px; }
@media (max-width: 420px) { .tab { font-size: .82rem; padding: 11px 4px; } .tab .material-symbols-rounded { font-size: 16px; } }
.tab.active { color: #fff; background: linear-gradient(135deg,var(--brand-500),var(--accent-500)); box-shadow: 0 6px 16px rgba(124,58,237,.35); }
.tabpanel { animation: slideUp .45s var(--ease) both; }

.mini-label { display: block; margin: 4px 2px 8px; font-size: .8rem; font-weight: 700; color: var(--text-2); }

/* target-padam banner */
.padam-target {
  display: flex; align-items: center; gap: 10px; margin-top: 16px; padding: 13px 14px;
  border-radius: var(--r-md); border: 1px solid transparent;
  background: linear-gradient(135deg, rgba(124,58,237,.14), rgba(6,182,212,.12));
  color: var(--brand-700); font-weight: 600; font-size: .9rem; animation: slideUp .4s var(--ease) both;
}
[data-theme="dark"] .padam-target { color: #d6c8ff; }
.padam-target .material-symbols-rounded { font-size: 20px; color: var(--brand-600); }
.padam-target .pt-text { flex: 1; }
.padam-target .pt-clear {
  flex: none; display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  border: none; cursor: pointer; background: rgba(124,58,237,.14); color: var(--brand-700);
}
.padam-target .pt-clear .material-symbols-rounded { font-size: 17px; }

/* inbox summary (values carried over from the calculator tab) */
.inbox { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
.inbox > div { padding: 12px; border-radius: var(--r-md); background: var(--surface-2); border: 1px solid var(--border); }
.inbox .ik { display: block; font-size: .72rem; color: var(--text-3); font-weight: 600; }
.inbox .iv { display: block; margin-top: 2px; font-size: .95rem; color: var(--text); font-weight: 700; }
.inbox.warn { display: flex; align-items: center; gap: 8px; padding: 14px; border-radius: var(--r-md);
  background: var(--warn-bg); color: var(--warn); font-weight: 600; font-size: .9rem; border: 1px solid transparent; }
.inbox.warn .material-symbols-rounded { font-size: 20px; }

/* ---- suggestions ---- */
#suggestResults { margin-top: 4px; }
.sugg-count { margin: 16px 4px 10px; font-weight: 700; color: var(--brand-700); font-family: var(--font-display); }
.empty { margin-top: 18px; padding: 22px; text-align: center; color: var(--text-3); font-weight: 600;
  border: 1px dashed var(--border-strong); border-radius: var(--r-md); background: var(--surface-2); }
.sugg {
  margin-top: 12px; padding: 16px; border-radius: var(--r-lg); background: var(--surface);
  backdrop-filter: blur(var(--blur)); -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border); box-shadow: var(--shadow-md); animation: slideUp .4s var(--ease) both;
  transition: box-shadow .3s var(--ease), border-color .3s;
}
.sugg:hover { box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.sugg-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.sugg-dim { font-family: var(--font-display); font-weight: 700; font-size: 1.02rem; color: var(--text); }
.sugg-sub { margin-top: 3px; font-size: .8rem; color: var(--text-2); font-weight: 500; }
.sugg-use {
  flex: none; padding: 9px 16px; border: none; border-radius: var(--r-pill); cursor: pointer;
  font-family: var(--font); font-weight: 700; font-size: .86rem; color: #fff;
  background: linear-gradient(135deg,var(--brand-500),var(--accent-500)); box-shadow: 0 6px 14px rgba(124,58,237,.32);
  transition: transform .12s var(--ease), filter .2s;
}
.sugg-use:hover { filter: brightness(1.06); }
.sugg-use:active { transform: scale(.94); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.chip {
  padding: 4px 11px; border-radius: var(--r-pill); font-size: .78rem; font-weight: 700;
  color: var(--text-2); background: var(--surface-2); border: 1px solid var(--border);
}
.chip.good { color: var(--ok); background: var(--ok-bg); border-color: transparent; }
.chip.bad { color: var(--danger); background: var(--danger-bg); border-color: transparent; }

/* factor value grid inside a suggestion */
.fgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; }
.fcell {
  display: flex; flex-direction: column; gap: 2px; padding: 8px 10px; border-radius: 10px;
  background: var(--surface-2); border: 1px solid var(--border); min-width: 0;
}
.fcell .fk { font-size: .7rem; color: var(--text-3); font-weight: 600; }
.fcell .fv { font-size: .84rem; color: var(--text); font-weight: 700; overflow-wrap: anywhere; }
.fcell.good { border-color: rgba(22,163,74,.4); }
.fcell.good .fv { color: var(--ok); }
.fcell.bad { border-color: rgba(220,38,38,.4); }
.fcell.bad .fv { color: var(--danger); }
@media (max-width: 420px) { .fgrid { grid-template-columns: repeat(2, 1fr); } }

/* ---- cards ---- */
.card {
  margin-top: 18px; padding: 20px; border-radius: var(--r-lg); background: var(--surface);
  backdrop-filter: blur(var(--blur)); -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border); box-shadow: var(--shadow-md); animation: slideUp .6s var(--ease) both;
  transition: box-shadow .35s var(--ease), border-color .35s;
}
.card:hover { box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.section-title {
  display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 1.05rem;
  font-weight: 700; margin: 0 0 16px; color: var(--text);
}
.section-title .material-symbols-rounded {
  font-size: 22px; color: var(--brand-600); padding: 8px; border-radius: 12px;
  background: linear-gradient(135deg,rgba(124,58,237,.14),rgba(6,182,212,.14));
}

/* ---- fields / floating labels ---- */
.grid { display: grid; gap: 14px; }
.grid.cols-3 { grid-template-columns: repeat(3,1fr); }
.field { position: relative; }
.field > label {
  position: absolute; left: 14px; top: 15px; color: var(--text-3); font-size: 1rem; font-weight: 500;
  pointer-events: none; transform-origin: left center; transition: transform .2s var(--ease), color .2s var(--ease); padding: 0 4px;
}
.field input, .field select {
  width: 100%; font-family: var(--font); font-size: 1rem; color: var(--text); padding: 22px 14px 8px;
  border-radius: var(--r-md); border: 1.5px solid var(--border); background: var(--surface-2); outline: none;
  transition: border-color .2s, box-shadow .2s, background .3s; -webkit-appearance: none; appearance: none;
}
.field select { cursor: pointer; padding-right: 40px; }
.field.has-select::after {
  content: "expand_more"; font-family: "Material Symbols Rounded"; position: absolute; right: 12px; top: 18px;
  color: var(--text-3); pointer-events: none; font-size: 22px;
}
.field input:focus, .field select:focus {
  border-color: var(--brand-500); box-shadow: 0 0 0 4px rgba(124,58,237,.14); background: var(--surface-solid);
}
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field select:focus + label, .field select.filled + label {
  transform: translateY(-11px) scale(.78); color: var(--brand-600); font-weight: 600;
}
.field input[type=number]::-webkit-outer-spin-button,
.field input[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.field input[type=number] { -moz-appearance: textfield; }
.hint { display: block; margin-top: 8px; color: var(--text-3); font-size: .76rem; }
.field .error-msg {
  display: flex; align-items: center; gap: 4px; margin: 5px 4px 0; font-size: .76rem; color: var(--danger);
  font-weight: 600; max-height: 0; opacity: 0; overflow: hidden; transition: max-height .25s var(--ease), opacity .25s;
}
.field .error-msg .material-symbols-rounded { font-size: 15px; }
.field.invalid input, .field.invalid select { border-color: var(--danger); box-shadow: 0 0 0 4px rgba(220,38,38,.12); }
.field.invalid .error-msg { max-height: 44px; opacity: 1; }
.field.invalid { animation: shake .4s var(--ease); }

/* ---- buttons + ripple ---- */
.actions { display: grid; grid-template-columns: 1fr 1.4fr; gap: 14px; margin-top: 22px; }
.btn {
  position: relative; overflow: hidden; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; cursor: pointer; user-select: none; font-family: var(--font); font-size: 1rem; font-weight: 700;
  padding: 16px 18px; border-radius: var(--r-pill); -webkit-tap-highlight-color: transparent;
  transition: transform .12s var(--ease), box-shadow .25s var(--ease), filter .2s;
}
.btn:active { transform: scale(.96); }
.btn-clear { background: var(--surface-solid); color: var(--text-2); border: 1.5px solid var(--border-strong); box-shadow: var(--shadow-sm); }
.btn-clear:hover { color: var(--danger); border-color: var(--danger); }
.btn-calc { color: #fff; background: linear-gradient(135deg,var(--brand-500),var(--accent-500)); box-shadow: 0 10px 26px rgba(124,58,237,.4); }
.btn-calc:hover { filter: brightness(1.06); box-shadow: 0 14px 32px rgba(124,58,237,.5); }
.btn[disabled] { opacity: .7; cursor: progress; }
.ripple { position: absolute; border-radius: 50%; transform: scale(0); background: rgba(255,255,255,.55); pointer-events: none; animation: ripple .6s var(--ease-io); }
.btn-clear .ripple { background: rgba(124,58,237,.2); }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2.5px solid rgba(255,255,255,.4); border-top-color: #fff; animation: spin .7s linear infinite; display: none; }
.btn.loading .spinner { display: block; }

/* =========================================================================
   BOTTOM SHEET (results)
   ========================================================================= */
.scrim {
  position: fixed; inset: 0; background: rgba(20,16,40,.45); backdrop-filter: blur(2px);
  opacity: 0; visibility: hidden; transition: opacity .3s var(--ease), visibility .3s; z-index: 40;
}
.scrim.open { opacity: 1; visibility: visible; }
.sheet {
  position: fixed; left: 50%; bottom: 0; width: 100%; max-width: var(--maxw); transform: translate(-50%,100%);
  max-height: 90dvh; display: flex; flex-direction: column; z-index: 50;
  background: var(--surface); backdrop-filter: blur(26px); -webkit-backdrop-filter: blur(26px);
  border-radius: 28px 28px 0 0; border: 1px solid var(--border); border-bottom: none; box-shadow: var(--shadow-sheet);
  transition: transform .42s var(--ease-io);
}
.sheet.open { transform: translate(-50%,0); }
.sheet-handle { flex: none; padding: 12px 0 4px; display: grid; place-items: center; }
.sheet-handle span { width: 44px; height: 5px; border-radius: 99px; background: var(--border-strong); }
.sheet-head {
  flex: none; display: flex; align-items: center; justify-content: space-between; padding: 4px 20px 12px;
  border-bottom: 1px solid var(--border);
}
.sheet-head h2 { font-family: var(--font-display); font-size: 1.15rem; margin: 0; }
.sheet-close { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; border: none;
  background: var(--surface-2); color: var(--text-2); cursor: pointer; }
.sheet-body { overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 16px 20px 32px; }

/* progress circle */
.score-block { text-align: center; padding: 6px 0 10px; }
.gauge { position: relative; width: 168px; height: 168px; margin: 0 auto 8px; }
.gauge svg { transform: rotate(-90deg); width: 100%; height: 100%; }
.gauge .track { fill: none; stroke: var(--border); stroke-width: 14; }
.gauge .prog { fill: none; stroke: url(#scoreGrad); stroke-width: 14; stroke-linecap: round; transition: stroke-dashoffset 1.1s var(--ease-io); }
.gauge-center { position: absolute; inset: 0; display: grid; place-content: center; }
.gauge-center .num { font-family: var(--font-display); font-size: 2.7rem; font-weight: 800; line-height: 1; }
.gauge-center .den { font-size: .78rem; color: var(--text-3); font-weight: 600; }
.rating-badge { display: inline-flex; align-items: center; gap: 6px; margin-top: 4px; padding: 7px 16px; border-radius: var(--r-pill); font-weight: 700; font-size: .9rem; }
.tone-good { color: var(--ok); background: var(--ok-bg); }
.tone-warn { color: var(--warn); background: var(--warn-bg); }
.tone-bad  { color: var(--danger); background: var(--danger-bg); }

/* collapsible cards */
.collapse { margin-top: 12px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--surface-2); overflow: hidden; }
.collapse-head {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 14px 16px; border: none; cursor: pointer;
  background: transparent; color: var(--text); font-family: var(--font); font-size: 1rem; font-weight: 700; text-align: left;
}
.collapse-head .lead { color: var(--brand-600); }
.collapse-head .chev { margin-left: auto; color: var(--text-3); transition: transform .3s var(--ease); }
.collapse.open .chev { transform: rotate(180deg); }
.collapse-body { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease-io); }
.collapse.open .collapse-body { max-height: 1200px; }
.collapse-inner { padding: 4px 16px 16px; }

/* result table — 4 columns: label | value | label | value */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--r-sm); border: 1px solid var(--border); }
.rtable { width: 100%; border-collapse: collapse; font-size: .9rem; }
.rtable th, .rtable td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; line-height: 1.35; }
.rtable th + td, .rtable td + th { border-left: 1px solid var(--border); }
.rtable tr:last-child th, .rtable tr:last-child td { border-bottom: none; }
.rtable th { width: 22%; color: var(--text-3); font-weight: 600; font-size: .78rem; background: var(--surface-2); }
.rtable td { width: 28%; color: var(--text); font-weight: 700; overflow-wrap: anywhere; }
.rtable td.good { color: var(--ok); }
.rtable td.bad { color: var(--danger); }
.reco { margin-top: 4px; padding: 12px 14px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-2); font-size: .92rem; }
.json-box { margin: 6px 0 0; padding: 14px; border-radius: 12px; background: #0d0b1a; color: #d7d0f5;
  font-family: ui-monospace,"SF Mono",Menlo,Consolas,monospace; font-size: .78rem; line-height: 1.55; overflow-x: auto; white-space: pre; }

/* stagger entrance */
.table-wrap, .collapse { animation: slideUp .45s var(--ease) both; }

/* =========================================================================
   ANIMATIONS
   ========================================================================= */
@keyframes slideUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes ripple { to { transform: scale(2.6); opacity: 0; } }
@keyframes shake { 0%,100%{transform:translateX(0)} 20%{transform:translateX(-6px)} 40%{transform:translateX(6px)} 60%{transform:translateX(-4px)} 80%{transform:translateX(4px)} }
@keyframes sheen { 0%{transform:translateX(-120%)} 60%,100%{transform:translateX(220%)} }
@keyframes clearPulse { 0%{transform:scale(1)} 50%{transform:scale(.985);opacity:.6} 100%{transform:scale(1)} }
.clearing { animation: clearPulse .45s var(--ease); }

/* =========================================================================
   RESPONSIVE — mobile tightening
   ========================================================================= */
@media (max-width: 560px) {
  .app { padding: 14px 12px 120px; }
  .header { padding: 18px 16px; gap: 12px; }
  .compass { width: 50px; height: 50px; }
  .card { padding: 16px; margin-top: 14px; }
  .grid.cols-3 { gap: 8px; }
  .actions { gap: 10px; }
  .gauge { width: 150px; height: 150px; }
  .gauge-center .num { font-size: 2.4rem; }
  .sheet-body { padding: 14px 16px 28px; }
  .rtable { font-size: .82rem; }
  .rtable th, .rtable td { padding: 8px 9px; }
  .rtable th { font-size: .72rem; }
}
@media (max-width: 380px) { .actions { grid-template-columns: 1fr 1fr; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}