/* -------------------------------------------------
   KRATERLEUTE THEME: clean, product-y, non-neon
   Light/dark via data-theme on <html> (preferred)
   Also respects system preference by default.
-------------------------------------------------- */

:root{
  /* Typography / layout */
  --radius: 14px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06), 0 6px 24px rgba(0,0,0,0.06);
  --shadow: 0 1px 2px rgba(0,0,0,0.10), 0 12px 40px rgba(0,0,0,0.10);

  /* Accent (single, restrained) */
  --accent: #2563eb; /* blue-600-ish */
  --accent-strong: #1d4ed8;

  /* Status */
  --danger: #dc2626;
  --success: #16a34a;

  /* Transitions */
  --t: 140ms ease;
}

/* Default = light */
:root,
:root[data-theme="light"]{
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface2: #f1f3f5;
  --text: #0f172a;       /* slate-900 */
  --muted: #475569;      /* slate-600 */
  --muted2: #64748b;     /* slate-500 */
  --border: rgba(15,23,42,0.10);
  --border-strong: rgba(15,23,42,0.16);
  --input-bg: #ffffff;
  --topbar-bg: rgba(246,247,249,0.80);
  --footer-bg: rgba(246,247,249,0.80);
  --card-bg: #ffffff;
  --card-grad: none;
  --focus: rgba(37,99,235,0.20);
}

/* Dark */
:root[data-theme="dark"]{
  --bg: #0b0f14;
  --surface: #0f1620;
  --surface2: #121c29;
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.65);
  --muted2: rgba(255,255,255,0.52);
  --border: rgba(255,255,255,0.10);
  --border-strong: rgba(255,255,255,0.14);
  --input-bg: rgba(255,255,255,0.04);
  --topbar-bg: rgba(11,15,20,0.70);
  --footer-bg: rgba(11,15,20,0.70);
  --card-bg: rgba(255,255,255,0.03);
  --card-grad: none;
  --focus: rgba(37,99,235,0.28);
}

/* If user hasn't chosen, follow system preference */
@media (prefers-color-scheme: dark){
  :root:not([data-theme]){
    --bg: #0b0f14;
    --surface: #0f1620;
    --surface2: #121c29;
    --text: rgba(255,255,255,0.92);
    --muted: rgba(255,255,255,0.65);
    --muted2: rgba(255,255,255,0.52);
    --border: rgba(255,255,255,0.10);
    --border-strong: rgba(255,255,255,0.14);
    --input-bg: rgba(255,255,255,0.04);
    --topbar-bg: rgba(11,15,20,0.70);
    --footer-bg: rgba(11,15,20,0.70);
    --card-bg: rgba(255,255,255,0.03);
    --card-grad: none;
    --focus: rgba(37,99,235,0.28);
  }
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a{ color: inherit; text-decoration: none; }
h1,h2,h3{ margin: 0 0 10px; letter-spacing: -0.02em; }
h1{ font-size: 30px; }
h2{ font-size: 18px; }
p{ margin: 0 0 12px; }
.muted{ color: var(--muted); }
.hint{ margin-top: 6px; font-size: 13px; color: var(--muted2); }

.container{
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 750;
}
.brand__dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.14);
}
.brand__name{ letter-spacing: -0.02em; }

.nav{
  display:flex;
  align-items:center;
  gap: 10px;
}
.nav__link{
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
  transition: background var(--t), color var(--t), border-color var(--t);
  border: 1px solid transparent;
}
.nav__link:hover{
  background: var(--surface2);
  border-color: var(--border);
  color: var(--text);
}
.nav__form{ margin:0; }

.main{ padding: 26px 0 40px; }

.footer{
  border-top: 1px solid var(--border);
  background: var(--footer-bg);
  padding: 22px 0;
}
.footer__inner{ color: var(--muted); font-size: 13px; }

.card{
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 18px;
}

.divider{
  height: 1px;
  background: var(--border);
  margin: 18px 0;
}

.pagehead{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 18px;
  margin-bottom: 16px;
}
.pagehead__actions{ display:flex; gap:10px; }

.stack{ display:flex; flex-direction:column; gap: 14px; }
.stack--tight{ gap: 10px; }

.grid2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.grid3{
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}
@media (max-width: 820px){
  .grid2, .grid3{ grid-template-columns: 1fr; }
  .pagehead{ align-items:flex-start; flex-direction:column; }
}

.form{ display:flex; flex-direction:column; gap: 12px; }
.field label{
  display:block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 6px;
}
.input{
  width:100%;
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
  outline: none;
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
}
.input:focus{
  border-color: rgba(37,99,235,0.55);
  box-shadow: 0 0 0 4px var(--focus);
}
.textarea{
  min-height: 140px;
  resize: vertical;
}

.actions{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  margin-top: 6px;
}

.btn{
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  font-weight: 650;
  transition: transform var(--t), background var(--t), border-color var(--t), box-shadow var(--t);
}
.btn:hover{
  background: var(--surface2);
  border-color: var(--border-strong);
}
.btn:active{ transform: translateY(1px); }

.btn--primary{
  border-color: rgba(37,99,235,0.45);
  background: var(--accent);
  color: white;
  box-shadow: 0 6px 18px rgba(37,99,235,0.22);
}
.btn--primary:hover{
  background: var(--accent-strong);
  border-color: rgba(29,78,216,0.55);
}
.btn--ghost{
  background: transparent;
}
.btn--ghost:hover{
  background: var(--surface2);
}
.btn--danger{
  border-color: rgba(220,38,38,0.45);
  background: rgba(220,38,38,0.10);
}
.btn--danger:hover{
  background: rgba(220,38,38,0.16);
}
.btn--sm{ padding: 7px 10px; border-radius: 10px; font-size: 13px; }

.link{ color: var(--accent); }
.link:hover{ text-decoration: underline; }

.flashstack{ display:flex; flex-direction:column; gap: 10px; margin-bottom: 14px; }
.flash{
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.flash--error{
  border-color: rgba(220,38,38,0.35);
  background: rgba(220,38,38,0.08);
}
.flash--success{
  border-color: rgba(22,163,74,0.35);
  background: rgba(22,163,74,0.10);
}

.auth{
  display:grid;
  place-items: center;
  min-height: calc(100vh - 220px);
}

.post__meta{
  display:flex;
  align-items:center;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--muted);
}
.post__text{
  white-space: pre-wrap;
  line-height: 1.5;
  margin: 10px 0 0;
}
.post__media{
  width:100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  margin-top: 12px;
  background: rgba(0,0,0,0.06);
  max-height: 540px;
  object-fit: contain;
}

.pill{
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface2);
  font-size: 12px;
  color: var(--muted);
}
.dot{ color: rgba(127,127,127,0.45); }

.inline{ display:inline; margin:0; }

.metric{
  display:flex;
  flex-direction:column;
  gap: 6px;
}
.metric__label{ font-size: 13px; color: var(--muted); }
.metric__value{ font-size: 34px; font-weight: 800; letter-spacing: -0.03em; }

.kv{ display:flex; flex-direction:column; gap: 10px; margin-top: 10px; }
.kv__row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.event__top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 14px;
}
.event__title{
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 6px;
}
.event__desc{
  margin-top: 10px;
  white-space: pre-wrap;
  line-height: 1.5;
}
.event__actions{
  display:flex;
  align-items:center;
  gap: 10px;
}

.empty{
  text-align:center;
  padding: 28px;
  color: var(--muted);
}

/* Accessible focus for keyboard users */
:focus-visible{
  outline: 2px solid rgba(37,99,235,0.70);
  outline-offset: 2px;
  border-radius: 10px;
}
.theme-toggle svg{
  display: none;
}

:root[data-theme="light"] #iconMoon{ display: block; }
:root[data-theme="light"] #iconSun{ display: none; }

:root[data-theme="dark"] #iconSun{ display: block; }
:root[data-theme="dark"] #iconMoon{ display: none; }

/* If no explicit theme yet, follow system */
@media (prefers-color-scheme: dark){
  :root:not([data-theme]) #iconSun{ display: block; }
  :root:not([data-theme]) #iconMoon{ display: none; }
}
@media (prefers-color-scheme: light){
  :root:not([data-theme]) #iconMoon{ display: block; }
  :root:not([data-theme]) #iconSun{ display: none; }
}
