/* Prof Stream Endormie — unified theme (white/black/blue only)
   Goals: high contrast, color-blind friendly, consistent across pages.

   Notes:
   - .grid-12: 12-column layout used for page sections.
   - .grid: auto-fit helper for small form rows (prevents ultra-narrow columns).
*/
:root{
  color-scheme: light dark;

  /* Light */
  --bg: #ffffff;
  --surface: #f6f8fb;
  --surface-2: #eef3ff;
  --text: #0b1220;
  --muted: #2c3a55;

  /* Blue accent (WCAG-friendly) */
  --accent: #0b5fff;
  --accent-2: #003ea8;

  /* Lines / shadows */
  --border: rgba(11, 95, 255, 0.25);
  --shadow: 0 10px 28px rgba(0,0,0,.10);

  /* Focus */
  --focus: #0b5fff;

  /* Radius / spacing */
  --r-lg: 18px;
  --r-md: 14px;
  --r-sm: 10px;

  /* Typography */
  --maxw: 1040px;
  --lh: 1.55;

  /* Link */
  --link: #0b5fff;
  --link-visited: #003ea8;
}

/* Dark mode uses only black/white/blue */
@media (prefers-color-scheme: dark){
  :root{
    --bg: #070a12;
    --surface: #0b1120;
    --surface-2: #0f1b36;
    --text: #f2f6ff;
    --muted: #c6d2ff;

    --accent: #4ea1ff;
    --accent-2: #0b5fff;

    --border: rgba(78, 161, 255, 0.22);
    --shadow: 0 12px 34px rgba(0,0,0,.55);
    --focus: #4ea1ff;

    --link: #7bb8ff;
    --link-visited: #4ea1ff;
  }
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Noto Sans", "Apple Color Emoji","Segoe UI Emoji";
  line-height: var(--lh);
  background: var(--bg);
  color: var(--text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; height:auto; }
code, pre{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }
pre{
  padding: 12px;
  border-radius: var(--r-sm);
  background: var(--surface-2);
  border: 1px solid var(--border);
  overflow:auto;
}

/* Layout */
.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 22px 16px 44px;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  padding:10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  z-index: 9999;
}
.skip-link:focus{ left: 12px; top: 12px; }

/* Header / nav */
.site-header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 12px;
  flex-wrap:wrap;
  margin-bottom: 14px;
}
.brand{
  display:flex;
  flex-direction:column;
  gap: 4px;
}
.brand-title{
  margin:0;
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  letter-spacing: .2px;
}
.brand-sub{ margin:0; color: var(--muted); }

.nav{
  display:flex;
  flex-wrap:wrap;
  gap: 8px;
  align-items:center;
}
.nav a{
  display:inline-flex;
  align-items:center;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  text-decoration: none;
  color: inherit;
}
.nav a[aria-current="page"]{
  border-color: rgba(11,95,255,.55);
  background: var(--surface-2);
}
.nav a:hover{ filter: brightness(0.98); }
@media (prefers-color-scheme: dark){
  .nav a:hover{ filter: brightness(1.08); }
}

/* Cards / sections */
.hero{
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
  box-shadow: var(--shadow);
  padding: 18px;
  margin: 14px 0 18px;
}
.hero h2{ margin:0 0 6px; font-size: 1.25rem; }
.hero p{ margin:0; color: var(--muted); max-width: 78ch; }

.grid-12{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.grid-12 > .card{
  grid-column: span 12;
}

.grid-12 > :not(.card){
  grid-column: span 12;
}

/* Auto-fit helper for small rows inside forms */
.grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  align-items: start;
}
.card{
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 16px;
}
.card h3{ margin:0 0 6px; font-size: 1.05rem; }
.card p{ margin:0; color: var(--muted); }
.card .meta{ margin-top: 8px; color: var(--muted); font-size: .95rem; }
.card .actions{ margin-top: 12px; display:flex; gap: 10px; flex-wrap:wrap; }

@media (min-width: 860px){
  .grid-12 > .card.span-6{ grid-column: span 6; }
  .grid-12 > .card.span-4{ grid-column: span 4; }
  .grid-12 > .card.span-8{ grid-column: span 8; }
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(11,95,255,.45);
  background: var(--surface-2);
  color: inherit;
  text-decoration:none;
  font-weight: 650;
}
.btn.primary{
  background: var(--accent);
  color: #ffffff;
  border-color: rgba(0,0,0,.0);
}
.btn:hover{ filter: brightness(0.98); text-decoration:none; }
@media (prefers-color-scheme: dark){
  .btn:hover{ filter: brightness(1.08); }
}

hr.sep{
  border:none;
  border-top: 1px solid rgba(0,0,0,.10);
  margin: 16px 0;
}
@media (prefers-color-scheme: dark){
  hr.sep{ border-top-color: rgba(255,255,255,.14); }
}

/* Forms */
.form{
  display:grid;
  gap: 12px;
}

/* Per-day recurring schedule rows */
.perday{
  display:grid;
  gap: 10px;
  margin-top: 10px;
}
.perday-row{
  display:grid;
  grid-template-columns: minmax(120px, 160px) 1fr 1fr 2fr;
  gap: 10px;
  align-items: end;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.perday-row .dayname{
  font-weight: 650;
}
@media (max-width: 620px){
  .perday-row{
    grid-template-columns: 1fr 1fr;
  }
  .perday-row .dayname{
    grid-column: 1 / -1;
  }
  .perday-row .pd-games{
    grid-column: 1 / -1;
  }
}


.unique-row{
  display:grid;
  grid-template-columns: 1fr 1fr 1.2fr auto;
  gap: 10px;
  align-items: end;
}
@media (max-width: 620px){
  .unique-row{
    grid-template-columns: 1fr 1fr;
  }
  .unique-row .u-games{
    grid-column: 1 / -1;
  }
}
/* Screen-reader only */
.sr-only{
  position:absolute !important;
  width:1px !important;
  height:1px !important;
  padding:0 !important;
  margin:-1px !important;
  overflow:hidden !important;
  clip:rect(0,0,0,0) !important;
  white-space:nowrap !important;
  border:0 !important;
}
.field{
  display:grid;
  gap: 6px;
}
label{ font-weight: 650; }
input, select, textarea{
  width:100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.14);
  background: #ffffff;
  color: #0b1220;
}
@media (prefers-color-scheme: dark){
  input, select, textarea{
    background: #070a12;
    color: #f2f6ff;
    border-color: rgba(255,255,255,.18);
  }
}
input:focus, select:focus, textarea:focus{
  outline: 3px solid rgba(11,95,255,.35);
  border-color: rgba(11,95,255,.55);
}
.help{
  color: var(--muted);
  font-size: .95rem;
}

/* Links: always underline for content readability */
a{
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
}
a:visited{ color: var(--link-visited); }
a:hover{ text-decoration-thickness: 2px; }
.nav a, .btn{ text-decoration:none; } /* keep nav/button clean */

/* Focus visibility */
:focus-visible{
  outline: 3px solid rgba(11,95,255,.55);
  outline-offset: 2px;
  border-radius: 10px;
}

/* Footer */
.site-footer{
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid rgba(0,0,0,.10);
  color: var(--muted);
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  font-size: .95rem;
}
@media (prefers-color-scheme: dark){
  .site-footer{ border-top-color: rgba(255,255,255,.14); }
}

/* Utility */
.kbd{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: .95em;
  padding: 2px 6px;
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,.18);
  background: var(--surface-2);
}
@media (prefers-color-scheme: dark){
  .kbd{ border-color: rgba(255,255,255,.18); }
}

/* Lists (used on index/help) */
.list{
  margin: 10px 0 0;
  padding-left: 18px;
}
.list li{
  margin: 6px 0;
  color: var(--muted);
}
.list strong{ color: var(--text); }