/* ================================================================
   TIMECULATOR — styles.css   |   Light mode default, Dark optional
   ================================================================ */

/* ── Variables: LIGHT ── */
:root {
  --font: 'DM Sans', system-ui, -apple-system, sans-serif;
  --mono: 'DM Mono', 'SF Mono', monospace;

  --bg:          #eef2f7;
  --card:        #ffffff;
  --card2:       #f7f9fd;
  --text:        #0d1a2d;
  --text2:       #2a3d55;
  --muted:       #64788e;
  --border:      #d0dae6;
  --border2:     #b8c8d8;

  /* Lacivert — result header (#0d2444) ile uyumlu, soft */
  --accent:      #1e3d6b;
  --accent-s:    rgba(30,61,107,.09);

  --btn:         #1e3d6b;
  --btn-hover:   #162e52;
  --btn-text:    #ffffff;
  --ghost-bd:    #c8d4e0;
  --ghost-text:  #2a3d55;
  --ghost-hover: #f0f4f9;

  --input-bg:    #f5f8fc;
  --input-bd:    #c8d4e0;
  --input-focus: #1e3d6b;

  --result-hd:   linear-gradient(135deg,#0d2444 0%,#071628 100%);
  --result-text: #e8f0fc;
  --result-muted:rgba(232,240,252,.65);
  --pill-bg:     rgba(255,255,255,.15);
  --pill-bd:     rgba(255,255,255,.22);

  --tab-act:     #1e3d6b;
  --tab-act-txt: #ffffff;

  --tbl-head:    #0d2444;
  --tbl-head-c:  #bae6fd;
  --tbl-odd:     #ffffff;
  --tbl-even:    #f7f9fd;
  --tbl-hover:   #edf3fb;
  --tbl-bd:      #d0dae6;
  --tbl-hi:      #1e3d6b;
  --tbl-cell:    #2a3d55;

  --shadow-xs: 0 1px 2px rgba(13,26,45,.06);
  --shadow-sm: 0 2px 8px rgba(13,26,45,.08);
  --shadow-md: 0 4px 20px rgba(13,26,45,.10);
  --shadow-lg: 0 12px 48px rgba(13,26,45,.14);

  --r: 12px; --r-sm: 8px; --touch: 48px; --max-w: 920px;
}

/* ── Variables: DARK ── */
html.dark {
  --bg:          #060d18;
  --card:        #0d1b2e;
  --card2:       #091422;
  --text:        #e0eaf5;
  --text2:       #9db5cc;
  --muted:       #62809a;
  --border:      rgba(255,255,255,.09);
  --border2:     rgba(255,255,255,.14);
  --accent:      #5b8fc4;
  --accent-s:    rgba(91,143,196,.12);

  --btn:         #2a527c;
  --btn-hover:   #1e3d6b;
  --btn-text:    #ffffff;
  --ghost-bd:    rgba(255,255,255,.12);
  --ghost-text:  #9db5cc;
  --ghost-hover: rgba(255,255,255,.05);

  --input-bg:    rgba(255,255,255,.04);
  --input-bd:    rgba(255,255,255,.10);
  --input-focus: #5b8fc4;

  --result-hd:   linear-gradient(135deg,#091e38 0%,#050f1e 100%);
  --result-text: #ddeeff;
  --result-muted:rgba(221,238,255,.60);

  --tab-act:     #2a527c;
  --tab-act-txt: #e0eaf5;

  --tbl-head:    #0a2040;
  --tbl-head-c:  #bae6fd;
  --tbl-odd:     #0d1b2e;
  --tbl-even:    #091422;
  --tbl-hover:   rgba(91,143,196,.07);
  --tbl-bd:      rgba(255,255,255,.08);
  --tbl-hi:      #5b8fc4;
  --tbl-cell:    #9db5cc;

  --shadow-xs: 0 1px 2px rgba(0,0,0,.35);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.40);
  --shadow-md: 0 4px 20px rgba(0,0,0,.45);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.55);
}

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  transition: background .25s, color .25s;
}
html.dark body { background: linear-gradient(170deg,#060d18 0%,#030810 100%); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── WRAP ── */
.wrap { max-width: var(--max-w); margin: 0 auto; padding: 18px 20px 48px; }

/* ── HEADER ── */
header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; padding: 14px 0 22px;
}
.brand-link { text-decoration: none; color: inherit; }
.brand-link:hover { text-decoration: none; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon { font-size: 26px; line-height: 1; }

.site-title {
  font-weight: 800; font-size: 22px; letter-spacing: -0.6px;
  background: linear-gradient(135deg, #0d2444 0%, #1e3d6b 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1.15;
}
html.dark .site-title {
  background: linear-gradient(135deg, #c8dff5 0%, #5b8fc4 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.site-subtitle { font-size: 11px; color: var(--muted); margin-top: 2px; letter-spacing: .1px; }

.header-nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
  font-size: 13px; font-weight: 600; color: var(--muted);
  padding: 7px 11px; border-radius: var(--r-sm);
  transition: color .15s, background .15s;
}
.nav-link:hover { color: var(--text); background: var(--input-bg); text-decoration: none; }

.theme-btn {
  width: 36px; height: 36px; border-radius: var(--r-sm);
  border: 1.5px solid var(--border); background: var(--card); color: var(--text);
  cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
  transition: border-color .2s, box-shadow .2s, transform .15s;
  box-shadow: var(--shadow-xs); flex-shrink: 0;
}
.theme-btn:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.theme-btn:active { transform: scale(.97); }

/* ── SCROLL TO TOP ── */
.scroll-top {
  position: fixed; bottom: 24px; right: 24px; z-index: 200;
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--btn); color: #fff;
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0; pointer-events: none;
  transition: opacity .25s, transform .25s;
  transform: translateY(8px);
}
.scroll-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.scroll-top:hover { background: var(--btn-hover); transform: translateY(-2px); }
.scroll-top:active { transform: scale(.95); }

/* ── MAIN ── */
main { display: flex; flex-direction: column; gap: 18px; }

/* ── CARD ── */
.card {
  background: var(--card); border-radius: var(--r);
  padding: 22px; border: 1px solid var(--border); box-shadow: var(--shadow-sm);
}

/* ── MODE TABS ── */
.mode-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.mode-tab {
  flex: 1; min-width: 160px; padding: 12px 16px; border-radius: 10px;
  border: 1.5px solid var(--border); background: transparent; color: var(--muted);
  font-family: var(--font); font-size: 14px; font-weight: 600; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: all .2s;
}
.mode-tab:hover { background: var(--input-bg); border-color: var(--accent); color: var(--text); }
.mode-tab.active {
  background: var(--tab-act); color: var(--tab-act-txt);
  border-color: transparent; box-shadow: var(--shadow-md);
}

/* ── CALC MODES ── */
.calculator-mode { display: none; animation: fadeIn .3s ease; }
.calculator-mode.active { display: block; }
@keyframes fadeIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:none} }

h2 { font-size: 18px; font-weight: 700; color: var(--text); }
.muted { color: var(--muted); font-size: 13px; }

/* ── FORM GRID ── */
.form-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media(min-width:580px) {
  .form-grid.duration { grid-template-columns: 1fr 1fr; }
  .form-grid.blocks   { grid-template-columns: 1fr 1fr; }
}
@media(min-width:820px) {
  .form-grid.blocks { grid-template-columns: repeat(4,1fr); }
}

/* ── FORM GROUP ── */
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group > label {
  font-size: 12px; font-weight: 700; color: var(--text2);
  text-transform: uppercase; letter-spacing: .5px;
  display: flex; align-items: center; gap: 6px;
}
.block-label {
  font-size: 12px; font-weight: 700; color: var(--muted);
  text-transform: uppercase; letter-spacing: .6px; margin-bottom: 10px; margin-top: 4px;
}

/* ── INPUT ROW ── */
.input-row { display: flex; align-items: stretch; gap: 6px; }
.input-row .flex1 { flex: 1; min-width: 0; }

/* ── INPUT WRAP ── */
.input-wrap {
  position: relative; display: flex; align-items: center;
  min-height: 46px; border-radius: 10px;
  background: var(--input-bg); border: 1.5px solid var(--input-bd);
  transition: border-color .2s, box-shadow .2s, background .2s; overflow: hidden;
}
.input-wrap:focus-within {
  border-color: var(--input-focus); box-shadow: 0 0 0 3px var(--accent-s); background: var(--card);
}
.input-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  width: 15px; height: 15px; stroke-width: 2;
  color: var(--muted); pointer-events: none; flex-shrink: 0;
}

/* ── INPUTS ── */
.input-wrap input,
.input-wrap input[type="number"] {
  width: 100%; min-height: 44px; padding: 10px 46px 10px 38px;
  background: transparent; border: none; outline: none;
  color: var(--text); font-family: var(--font); font-size: 15px;
}
.input-wrap input::placeholder { color: var(--muted); opacity:.7; font-size: 14px; }
.input-wrap input[type="number"] { padding-right: 50px; }

input[type="date"], input[type="time"] {
  width: 100%; min-height: 46px; padding: 10px 12px 10px 38px;
  border-radius: 10px; border: 1.5px solid var(--input-bd);
  background: var(--input-bg); color: var(--text);
  font-family: var(--font); font-size: 14px;
  transition: border-color .2s, box-shadow .2s, background .2s;
  outline: none; appearance: none; -webkit-appearance: none;
}
input[type="date"]:focus, input[type="time"]:focus {
  border-color: var(--input-focus); box-shadow: 0 0 0 3px var(--accent-s); background: var(--card);
}
html.dark input[type="date"], html.dark input[type="time"] { color-scheme: dark; }

.input-row input[type="date"],
.input-row input[type="time"] {
  border: none; border-radius: 0; padding-left: 38px;
  min-height: 44px; background: transparent; font-size: 14px;
}
.input-row .input-wrap { overflow: visible; }
.input-row .flex1 .input-wrap { width: 100%; }

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance:none; margin:0; }
input[type="number"] { -moz-appearance:textfield; }

textarea {
  width: 100%; min-height: 120px; padding: 14px 16px;
  border-radius: 10px; border: 1.5px solid var(--input-bd);
  background: var(--input-bg); color: var(--text);
  font-family: var(--font); font-size: 15px;
  resize: vertical; transition: border-color .2s, box-shadow .2s, background .2s; outline: none;
}
textarea:focus { border-color: var(--input-focus); box-shadow: 0 0 0 3px var(--accent-s); background: var(--card); }

/* ── STEPPER ── */
.stepper {
  position: absolute; right: 7px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 2px;
}
.stepper button {
  width: 26px; height: 19px; border-radius: 5px;
  border: 1px solid var(--border); background: var(--card); color: var(--text2);
  font-size: 12px; font-weight: 700; cursor: pointer;
  display: flex; align-items: center; justify-content: center; transition: background .12s, color .12s;
}
.stepper button:hover { background: var(--btn); color: #fff; border-color: var(--btn); }

/* ── AM/PM — kompakt, form hizalı ── */
.ampm-wrap {
  display: flex; border-radius: 8px; overflow: hidden;
  border: 1.5px solid var(--input-bd); background: var(--input-bg);
  flex-shrink: 0; align-self: stretch;
}
.ampm-btn {
  display: flex; align-items: center; justify-content: center;
  padding: 0 9px; min-height: 44px; min-width: 34px;
  border: none; background: transparent; color: var(--muted);
  font-family: var(--font); font-size: 11px; font-weight: 700; letter-spacing: .3px;
  cursor: pointer; transition: all .15s;
}
.ampm-btn.active { background: var(--btn); color: #fff; }
.ampm-btn:hover:not(.active) { background: var(--accent-s); color: var(--accent); }

/* ── NOW BUTTON — ince, forma uyumlu ── */
.set-now-btn {
  display: flex; align-items: center; justify-content: center;
  padding: 0 10px; align-self: stretch; border-radius: 8px;
  border: 1.5px solid var(--border); background: var(--card);
  color: var(--accent); font-family: var(--font);
  font-size: 11px; font-weight: 700; letter-spacing: .2px;
  cursor: pointer; transition: all .15s; white-space: nowrap; flex-shrink: 0;
}
.set-now-btn:hover { background: var(--accent-s); border-color: var(--accent); }

/* ── OP ROW — küçük, kompakt ── */
.op-row {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin: 14px 0; padding: 10px 14px; border-radius: 9px;
  border: 1.5px solid var(--border); background: var(--card2);
}
.op-label { font-size: 11px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; }
.op-btns { display: flex; gap: 6px; }
.op-btn {
  padding: 5px 13px; border-radius: 7px; min-height: 30px;
  border: 1.5px solid var(--border); background: transparent; color: var(--muted);
  font-family: var(--font); font-size: 12px; font-weight: 700; cursor: pointer; transition: all .15s;
}
.op-btn.active { background: var(--btn); color: #fff; border-color: transparent; }
.op-btn:hover:not(.active) { border-color: var(--accent); color: var(--accent); background: var(--accent-s); }

/* ── ACTIONS ── */
.actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }

/* ── BUTTONS ── */
button.primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 12px 22px; min-height: var(--touch); border-radius: 10px; border: none;
  background: var(--btn); color: var(--btn-text);
  font-family: var(--font); font-size: 15px; font-weight: 700;
  cursor: pointer; transition: all .2s; box-shadow: var(--shadow-sm); white-space: nowrap;
}
button.primary:hover { background: var(--btn-hover); transform: translateY(-2px); box-shadow: var(--shadow-md); }
button.primary:active { transform: scale(.98); }

button.ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 16px; min-height: 42px; border-radius: 9px;
  border: 1.5px solid var(--ghost-bd); background: transparent; color: var(--ghost-text);
  font-family: var(--font); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all .18s; white-space: nowrap;
}
button.ghost:hover { background: var(--ghost-hover); border-color: var(--accent); color: var(--accent); }

/* ── CHECK LABEL ── */
.check-label {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; font-size: 14px; color: var(--muted);
}
.check-label input[type="checkbox"] {
  width: 17px; height: 17px; min-height: unset; border-radius: 4px;
  cursor: pointer; accent-color: var(--btn); padding: 0; flex-shrink: 0;
}

/* ── RESULT CARD ── */
.result-card {
  margin-top: 18px; border-radius: var(--r); overflow: hidden;
  border: 1px solid var(--border2); box-shadow: var(--shadow-md); animation: fadeIn .35s ease;
}
.result-header { background: var(--result-hd); padding: 24px 22px 20px; }
.big-number {
  font-size: clamp(22px,4.5vw,34px); font-weight: 800;
  letter-spacing: -.5px; line-height: 1.1; color: var(--result-text);
}
.result-subtitle { font-size: 13px; color: var(--result-muted); margin-top: 5px; }
.result-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.pill {
  background: var(--pill-bg); border: 1px solid var(--pill-bd);
  color: #fff; padding: 4px 13px; border-radius: 999px; font-weight: 700; font-size: 13px;
}

/* ── STAT VIEW TABS ── */
.stat-view-tabs {
  display: flex; gap: 6px; flex-wrap: wrap;
  padding: 14px 22px 12px;
  background: var(--card2); border-top: 1px solid var(--border);
}
.stat-view-tab {
  padding: 5px 14px; border-radius: 20px; border: 1.5px solid var(--border);
  background: transparent; color: var(--muted);
  font-family: var(--font); font-size: 12px; font-weight: 700; cursor: pointer; transition: all .15s;
}
.stat-view-tab.active { background: var(--btn); color: #fff; border-color: transparent; }
.stat-view-tab:hover:not(.active) { border-color: var(--accent); color: var(--accent); background: var(--accent-s); }

/* ── DETAIL GRID ── */
.result-detail-grid {
  display: grid; grid-template-columns: repeat(auto-fit,minmax(110px,1fr));
  gap: 14px; padding: 18px 22px 20px;
  background: var(--card2); border-top: 1px solid var(--border);
}
.result-stat { display: flex; flex-direction: column; }
.result-stat-value {
  font-size: 22px; font-weight: 800; color: var(--text);
  letter-spacing: -.3px; font-variant-numeric: tabular-nums; line-height: 1.1;
}
.result-stat-label {
  font-size: 11px; font-weight: 700; color: var(--muted);
  text-transform: uppercase; letter-spacing: .6px; margin-top: 4px;
}

/* ── META ── */
.result-meta {
  font-family: var(--mono); font-size: 12px; line-height: 1.9;
  white-space: pre-wrap; color: var(--muted); padding: 14px 22px;
  background: var(--card2); border-top: 1px solid var(--border);
}

/* ── RESULT ACTIONS ── */
.result-actions {
  display: flex; flex-wrap: wrap; gap: 7px;
  padding: 12px 22px; background: var(--card); border-top: 1px solid var(--border);
}
.result-actions button { font-size: 12px; padding: 8px 12px; min-height: 38px; }

/* ── AD AREA ── */
.ad-area {
  padding: 16px; border-radius: var(--r); border: 1px dashed var(--border);
  text-align: center; color: var(--muted); font-size: 13px; background: var(--card);
}

/* ── EXPLANATION ── */
.explanation-area {
  padding: 30px 26px; border-radius: var(--r);
  border: 1px solid var(--border); background: var(--card); box-shadow: var(--shadow-sm);
}
.explanation-area h1 {
  font-size: clamp(20px,3.5vw,26px); font-weight: 800; margin-bottom: 14px;
  color: var(--text); line-height: 1.3; letter-spacing: -.03em;
}
.explanation-area h2 { font-size: 18px; font-weight: 700; margin: 26px 0 10px; color: var(--text); }
.explanation-area h3 { font-size: 15px; font-weight: 600; margin: 18px 0 8px; color: var(--text); }
.explanation-area p { color: var(--muted); line-height: 1.85; margin: 0 0 13px; font-size: 15px; }
.explanation-area ul,.explanation-area ol { color: var(--muted); line-height: 1.85; margin: 0 0 13px; padding-left: 22px; }
.explanation-area li { margin-bottom: 5px; font-size: 15px; }
.explanation-area strong { color: var(--text); font-weight: 600; }
.explanation-area code {
  background: var(--input-bg); padding: 2px 6px; border-radius: 4px;
  font-family: var(--mono); font-size: 13px; border: 1px solid var(--border);
}

/* ── INFO TABLE ── */
.info-table {
  width: 100%; border-collapse: collapse; border-radius: var(--r-sm); overflow: hidden;
  font-size: 14px; box-shadow: var(--shadow-xs); border: 1px solid var(--tbl-bd); margin: 16px 0;
}
.info-table thead th {
  background: var(--tbl-head); color: var(--tbl-head-c);
  text-align: left; padding: 12px 16px; font-weight: 700; font-size: 12px;
  letter-spacing: .5px; text-transform: uppercase; border-bottom: 1px solid var(--tbl-bd);
}
.info-table tbody tr:nth-child(odd)  { background: var(--tbl-odd); }
.info-table tbody tr:nth-child(even) { background: var(--tbl-even); }
.info-table tbody tr:hover { background: var(--tbl-hover); }
.info-table td { padding: 12px 16px; border-bottom: 1px solid var(--tbl-bd); color: var(--tbl-cell); }
.info-table tr:last-child td { border-bottom: none; }
.info-table td:first-child { font-weight: 600; color: var(--tbl-hi); }

/* ── TOAST ── */
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--btn); color: #fff; padding: 11px 20px; border-radius: 10px;
  font-size: 14px; font-weight: 600; z-index: 400; box-shadow: var(--shadow-lg);
  animation: toastIn .3s ease; max-width: 320px; text-align: center;
  white-space: nowrap;
}
@keyframes toastIn { from{opacity:0;transform:translateX(-50%) translateY(10px)} to{opacity:1;transform:translateX(-50%) translateY(0)} }
.toast.hide { animation: toastOut .3s ease forwards; }
@keyframes toastOut { to{opacity:0;transform:translateX(-50%) translateY(10px)} }

/* ── FOOTER ── */
footer { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border); }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
}
.footer-brand { display: flex; align-items: center; gap: 7px; font-size: 14px; color: var(--muted); }
.footer-sep { color: var(--border2); }
.footer-nav { display: flex; gap: 2px; flex-wrap: wrap; }
.footer-nav a {
  font-size: 13px; color: var(--muted); padding: 4px 9px;
  border-radius: 6px; transition: color .15s, background .15s;
}
.footer-nav a:hover { color: var(--text); background: var(--input-bg); text-decoration: none; }

/* ── INNER PAGES ── */
.page-hero { padding: 30px 0 18px; }
.page-hero h1 { font-size: clamp(22px,4vw,32px); font-weight: 800; letter-spacing: -.04em; color: var(--text); margin-bottom: 8px; }
.page-hero p { font-size: 15px; color: var(--muted); }
.page-content {
  background: var(--card); border-radius: var(--r); padding: 26px;
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.page-content h2 { font-size: 17px; font-weight: 700; margin: 22px 0 9px; color: var(--text); }
.page-content h2:first-child { margin-top: 0; }
.page-content p { color: var(--muted); line-height: 1.85; margin-bottom: 13px; font-size: 15px; }
.page-content ul { color: var(--muted); padding-left: 22px; margin-bottom: 13px; }
.page-content li { margin-bottom: 5px; font-size: 15px; line-height: 1.7; }
.page-content strong { color: var(--text); }
.page-content a { color: var(--accent); }
.page-content hr { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.form-status { padding: 10px 14px; border-radius: 8px; font-size: 14px; font-weight: 500; }
.form-status.success { background: rgba(5,150,105,.08); color: #059669; border: 1px solid rgba(5,150,105,.2); }
.form-status.error   { background: rgba(220,38,38,.08); color: #dc2626;  border: 1px solid rgba(220,38,38,.2); }

/* ── RESPONSIVE ── */
@media(max-width:600px) {
  .wrap { padding: 12px 14px 36px; }
  .site-subtitle { display: none; }
  .card { padding: 16px; }
  .result-header { padding: 18px 16px; }
  .result-actions { padding: 10px 16px; }
  .result-detail-grid { padding: 14px 16px 16px; gap: 10px; }
  .result-meta { padding: 12px 16px; }
  .stat-view-tabs { padding: 12px 16px 10px; }
  .explanation-area { padding: 20px 16px; }
  .page-content { padding: 18px 16px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .scroll-top { bottom: 16px; right: 16px; }
}
@media(max-width:420px) {
  .mode-tabs { flex-direction: column; }
  .mode-tab { min-width: 100%; }
  .actions { flex-direction: column; }
  button.primary, button.ghost { width: 100%; justify-content: center; }
}

/* ── PRINT ── */
@media print {
  header,.mode-selector,.actions,.result-actions,footer,.toast,.ad-area,.scroll-top { display:none!important; }
  .card,.result-card { box-shadow:none; border:1px solid #ccc; }
  .result-header { print-color-adjust:exact; -webkit-print-color-adjust:exact; }
}

/* ── CUSTOM 12H TIME PICKER ── */
.time-picker-row {
  display: flex; align-items: stretch; gap: 6px; flex-wrap: nowrap;
}
.time-selects {
  display: flex; align-items: center; gap: 0;
  border-radius: 10px; border: 1.5px solid var(--input-bd);
  background: var(--input-bg); overflow: hidden; flex: 1;
  transition: border-color .2s, box-shadow .2s;
}
.time-selects:focus-within {
  border-color: var(--input-focus); box-shadow: 0 0 0 3px var(--accent-s);
  background: var(--card);
}
.time-sel {
  border: none; background: transparent; color: var(--text);
  font-family: var(--font); font-size: 15px; font-weight: 600;
  height: 46px; cursor: pointer; outline: none;
  -webkit-appearance: none; appearance: none;
  text-align: center;
}
.time-sel:first-child { padding: 0 4px 0 14px; width: 56px; }
.time-sel:last-child  { padding: 0 14px 0 4px; width: 62px; }
.time-sel option { background: var(--card); color: var(--text); }
.time-colon {
  font-size: 18px; font-weight: 700; color: var(--text2);
  line-height: 1; flex-shrink: 0; padding: 0 2px; user-select: none;
}

/* ── TIME CALCULATOR SUB-TABS ── */
.calc-sub-tabs {
  display: flex; gap: 6px; margin-bottom: 20px; flex-wrap: wrap;
}
.calc-sub-tab {
  padding: 7px 16px; border-radius: 8px; border: 1.5px solid var(--border);
  background: transparent; color: var(--muted);
  font-family: var(--font); font-size: 13px; font-weight: 700;
  cursor: pointer; transition: all .18s; white-space: nowrap;
}
.calc-sub-tab.active {
  background: var(--btn); color: #fff; border-color: transparent;
  box-shadow: var(--shadow-sm);
}
.calc-sub-tab:hover:not(.active) {
  border-color: var(--accent); color: var(--accent); background: var(--accent-s);
}
.calc-sub-panel { display: none; }
.calc-sub-panel.active { display: block; }

/* ── DATE+TIME INPUT ROW ── */
.dt-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 16px;
}
@media(max-width:580px){
  .dt-row { grid-template-columns: 1fr; }
}

/* ── RESULT DATE DISPLAY ── */
.date-result-box {
  background: var(--result-hd);
  border-radius: var(--r);
  padding: 22px 24px;
  margin-top: 18px;
  animation: fadeIn .35s ease;
}
.date-result-label {
  font-size: 12px; font-weight: 700; color: var(--result-muted);
  text-transform: uppercase; letter-spacing: .6px; margin-bottom: 8px;
}
.date-result-value {
  font-size: clamp(18px, 3.5vw, 28px);
  font-weight: 800; color: var(--result-text);
  letter-spacing: -.3px; line-height: 1.2;
}
.date-result-sub {
  font-size: 13px; color: var(--result-muted); margin-top: 6px;
}
.date-result-actions {
  display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px;
}