/* =====================================================================
   KAPI - tasarim dili
   Renkler ve olculer mockup'tan (src/styles.css @theme) BIREBIR alindi;
   Tailwind yerine dogrudan CSS degiskenleri: derleme adimi yok, tek dosya.
   ===================================================================== */
/* ---------------------------------------------------------------------
   TEMA
   Koyu = mockup'in ozgun paleti (varsayilan). Acik tema ayni tasarim
   dilinin gunduz karsiligidir: ayni olculer, ayni yerlesim, YALNIZ
   renk belirtecleri degisir - hicbir bileseni ayrica yazmak gerekmez.

   Uygulama sirasi:
     :root                      -> koyu (varsayilan)
     [data-theme="light"]       -> kullanici ACIK sectiyse
     [data-theme="dark"]        -> kullanici KOYU sectiyse (sistem acik olsa da)
     prefers-color-scheme       -> kullanici SISTEM birakti ve sistem acik ise
   --------------------------------------------------------------------- */
:root {
  --bg: #0b0c0e;
  --fg: #ecece8;
  --card: #13151a;
  --popover: #17191f;
  --primary: #d6dbe3;
  --primary-fg: #0b0c0e;
  --secondary: #1a1d24;
  --muted: #1a1d24;
  --muted-fg: #8b8e96;
  --accent: #1f232c;
  --border: #2a2d34;
  --presence: #7d9b86;   /* iceride / basarili */
  --warn: #c4a574;       /* gec / uyari */
  --idle: #6a6e76;
  --danger: #c47a72;

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;

  --sidebar: 224px;
  --font: "Barlow", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

/* Acik palet. Renkler koyu temanin duz tersi DEGILDIR: kagit hissi icin
   hafif sicak bir zemin, kartlar saf beyaz; vurgu renkleri (yesil/amber/
   kirmizi) acik zeminde okunabilsin diye KOYULASTIRILDI - koyu temadaki
   pastel tonlar beyaz uzerinde yeterli kontrast vermiyor. */
:root[data-theme="light"] {
  --bg: #f4f4f1;
  --fg: #17191d;
  --card: #ffffff;
  --popover: #ffffff;
  --primary: #1a1d24;      /* acikta vurgu KOYU olur (secili menu, ana dugme) */
  --primary-fg: #f7f7f5;
  --secondary: #ececea;
  --muted: #ececea;
  --muted-fg: #63676e;
  --accent: #e6e6e3;
  --border: #dcdcd7;
  --presence: #4f7a5f;
  --warn: #96702d;
  --idle: #8b8f96;
  --danger: #a5504a;
}

@media (prefers-color-scheme: light) {
  /* Kullanici acikca bir sey secmediyse (data-theme yok) sistemi izle. */
  :root:not([data-theme]) {
    --bg: #f4f4f1;
    --fg: #17191d;
    --card: #ffffff;
    --popover: #ffffff;
    --primary: #1a1d24;
    --primary-fg: #f7f7f5;
    --secondary: #ececea;
    --muted: #ececea;
    --muted-fg: #63676e;
    --accent: #e6e6e3;
    --border: #dcdcd7;
    --presence: #4f7a5f;
    --warn: #96702d;
    --idle: #8b8f96;
    --danger: #a5504a;
  }
}

/* Acik temada kartlar cok duz gorunmesin: cok hafif bir yukseklik.
   (Iki ayri kural: @media bir secici listesinin icine giremez.) */
:root[data-theme="light"] .card,
:root[data-theme="light"] dialog {
  box-shadow: 0 1px 2px rgba(20, 22, 26, .04);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) .card,
  :root:not([data-theme]) dialog {
    box-shadow: 0 1px 2px rgba(20, 22, 26, .04);
  }
}

* { box-sizing: border-box; border-color: var(--border); }

html { -webkit-font-smoothing: antialiased; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.5;
  font-size: 14px;
}

h1, h2, h3 { letter-spacing: -0.03em; margin: 0; }
a { color: inherit; text-decoration: none; }
button, [role="button"] { cursor: pointer; }

/* ---------------------------------------------------------------- kabuk */
.shell { min-height: 100dvh; }

.sidebar {
  position: fixed; inset: 0 auto 0 0; z-index: 30;
  width: var(--sidebar);
  display: flex; flex-direction: column;
  padding: 20px 16px;
  background: var(--card);
  border-right: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; padding: 0 4px; }
.brand-mark {
  width: 36px; height: 36px; flex: none;
  display: grid; place-items: center;
  border-radius: var(--r-sm);
  background: var(--secondary); color: var(--primary);
}
.brand-name { font-size: 14px; font-weight: 600; letter-spacing: -0.02em; }
.brand-sub { font-size: 12px; color: var(--muted-fg); }

.nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.nav a {
  display: flex; align-items: center; gap: 12px;
  height: 44px; padding: 0 12px;
  border-radius: var(--r-sm);
  font-size: 14px; font-weight: 500;
  color: var(--muted-fg);
  transition: background-color .15s, color .15s;
}
.nav a:hover { background: var(--accent); color: var(--fg); }
.nav a.on { background: var(--primary); color: var(--primary-fg); }
.nav svg { width: 16px; height: 16px; flex: none; }

.side-foot { margin-top: auto; padding: 0 4px; display: grid; gap: 12px; }
.side-foot .line { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted-fg); }
.clock { font-family: var(--mono); font-size: 14px; font-variant-numeric: tabular-nums; }
.clock-sub { font-size: 12px; color: var(--muted-fg); }

.topbar { display: none; }

main {
  margin-left: var(--sidebar);
  padding: 32px;
  padding-bottom: 40px;
}
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.eyebrow { font-size: 12px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--muted-fg); }
.page-head h1 { font-size: 24px; font-weight: 600; }

/* ---------------------------------------------------------------- kart */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px;
}
.card-label { font-size: 12px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--muted-fg); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }

.grid { display: grid; gap: 16px; }
.g4 { grid-template-columns: repeat(4, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g-2-1 { grid-template-columns: 2fr 1fr; }
.stack { display: grid; gap: 16px; }

/* istatistik */
.stat .n { font-size: 34px; font-weight: 600; letter-spacing: -0.03em; line-height: 1.15; margin-top: 8px; }
.stat .s { font-size: 12px; color: var(--muted-fg); }

/* ---------------------------------------------------------------- rozet */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  height: 22px; padding: 0 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--secondary);
  font-size: 11px; font-weight: 500; color: var(--muted-fg);
  white-space: nowrap;
}
.badge.ok   { color: var(--presence); border-color: color-mix(in srgb, var(--presence) 40%, transparent); }
.badge.warn { color: var(--warn);     border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
.badge.bad  { color: var(--danger);   border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.badge.idle { color: var(--idle); }

.dot { width: 6px; height: 6px; border-radius: 999px; background: var(--presence); flex: none; }
.dot.warn { background: var(--warn); }
.dot.idle { background: var(--idle); }
.live { animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .35 } }

/* ---------------------------------------------------------------- avatar */
.av {
  width: 34px; height: 34px; flex: none;
  display: grid; place-items: center;
  border-radius: 999px;
  background: var(--secondary);
  font-size: 11px; font-weight: 600; color: var(--muted-fg);
  position: relative;
}
.av .pip {
  position: absolute; right: -1px; bottom: -1px;
  width: 9px; height: 9px; border-radius: 999px;
  background: var(--presence); border: 2px solid var(--card);
}

/* ---------------------------------------------------------------- liste */
.row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.row:last-child { border-bottom: 0; }
.row .grow { flex: 1; min-width: 0; }
.row .name { font-size: 14px; font-weight: 500; }
.row .sub { font-size: 12px; color: var(--muted-fg); }
.row .right { text-align: right; font-family: var(--mono); font-size: 13px; font-variant-numeric: tabular-nums; }
.row .right .sub { font-family: var(--font); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------------------------------------------------------------- tablo */
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; font-size: 11px; font-weight: 500;
  letter-spacing: .06em; text-transform: uppercase; color: var(--muted-fg);
  padding: 0 12px 10px; border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td { padding: 11px 12px; border-bottom: 1px solid var(--border); font-size: 14px; vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: color-mix(in srgb, var(--accent) 55%, transparent); }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.tbl-wrap { overflow-x: auto; }

/* ---------------------------------------------------------------- form */
input, select, textarea {
  width: 100%;
  height: 38px; padding: 0 11px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--fg); font-family: inherit; font-size: 14px;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
input::placeholder { color: var(--idle); }
label { display: block; font-size: 12px; color: var(--muted-fg); margin-bottom: 6px; }
.field { margin-bottom: 12px; }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 38px; padding: 0 16px;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--secondary); color: var(--fg);
  font-family: inherit; font-size: 14px; font-weight: 500;
  transition: background-color .15s, border-color .15s;
}
.btn:hover { background: var(--accent); }
.btn.primary { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }
.btn.primary:hover { filter: brightness(.94); }
.btn.ghost { background: transparent; }
.btn.sm { height: 30px; padding: 0 11px; font-size: 13px; }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* segment (okuyucu secici) */
.seg { display: inline-flex; gap: 6px; flex-wrap: wrap; }
.seg button { height: 34px; padding: 0 14px; border-radius: var(--r-sm);
  border: 1px solid var(--border); background: var(--secondary); color: var(--muted-fg);
  font-family: inherit; font-size: 13px; font-weight: 500; }
.seg button.on { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }

/* kart simulatoru */
.sim-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 10px; }
.sim-card {
  display: grid; gap: 6px; justify-items: center;
  padding: 14px 8px;
  background: var(--secondary); border: 1px solid var(--border);
  border-radius: var(--r-md); text-align: center;
  transition: border-color .15s, transform .1s;
}
.sim-card:hover { border-color: var(--primary); }
.sim-card:active { transform: scale(.97); }
.sim-card .n { font-size: 12px; font-weight: 500; }
.sim-card .u { font-family: var(--mono); font-size: 10px; color: var(--idle); }

/* radar (son okutma) */
.radar { width: 116px; height: 116px; position: relative; display: grid; place-items: center; flex: none; }
.radar .ring { position: absolute; inset: 0; border-radius: 999px; border: 1px solid var(--border); }
.radar .ring.a { animation: radar 2.4s cubic-bezier(.22,1,.36,1) infinite; }
.radar .ring.b { animation: radar 2.4s cubic-bezier(.22,1,.36,1) .8s infinite; }
.radar .core { width: 46px; height: 46px; border-radius: 999px; background: var(--secondary);
  display: grid; place-items: center; color: var(--muted-fg); }
@keyframes radar { 0% { transform: scale(.55); opacity: .4 } 100% { transform: scale(1.85); opacity: 0 } }

/* ---------------------------------------------------------------- cesitli */
.muted { color: var(--muted-fg); }
.small { font-size: 12px; }
.empty { padding: 28px 8px; text-align: center; color: var(--idle); font-size: 13px; }
.bar { height: 6px; border-radius: 999px; background: var(--secondary); overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--primary); }
.bar > i.warn { background: var(--warn); }

.toast-wrap { position: fixed; right: 20px; bottom: 20px; z-index: 60; display: grid; gap: 8px; }
.toast {
  padding: 12px 16px; border-radius: var(--r-md);
  background: var(--popover); border: 1px solid var(--border);
  font-size: 13px; box-shadow: 0 12px 32px rgba(0,0,0,.45);
  animation: rise .3s cubic-bezier(.22,1,.36,1) both;
}
.toast.ok  { border-color: color-mix(in srgb, var(--presence) 45%, transparent); }
.toast.bad { border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
@keyframes rise { from { opacity: 0; transform: translateY(8px) } to { opacity: 1; transform: none } }

dialog {
  border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--popover); color: var(--fg);
  padding: 22px; width: min(520px, calc(100vw - 32px));
}
dialog::backdrop { background: rgba(0,0,0,.6); }
dialog h3 { font-size: 17px; margin-bottom: 16px; }
.dlg-foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

.token {
  font-family: var(--mono); font-size: 12px;
  padding: 9px 11px; border-radius: var(--r-sm);
  background: var(--bg); border: 1px solid var(--border);
  word-break: break-all;
}

/* giris ekrani */
.login-wrap { min-height: 100dvh; display: grid; place-items: center; padding: 20px; }
.login { width: min(380px, 100%); }
.login .card { padding: 28px; }
.login .brand { justify-content: center; margin-bottom: 22px; }
.err { color: var(--danger); font-size: 13px; margin-bottom: 12px; }

/* ---------------------------------------------------------------- mobil */
@media (max-width: 1023px) {
  .sidebar { display: none; }
  main { margin-left: 0; padding: 16px 16px 88px; }
  .page-head { display: none; }
  .topbar {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    position: sticky; top: 0; z-index: 20;
    padding: 12px 16px;
    background: color-mix(in srgb, var(--bg) 92%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
  }
  .tabbar {
    position: fixed; inset: auto 0 0 0; z-index: 30;
    display: grid; grid-template-columns: repeat(5, 1fr);
    background: color-mix(in srgb, var(--card) 96%, transparent);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--border);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .tabbar a {
    min-height: 56px; display: grid; place-items: center; gap: 3px;
    font-size: 11px; font-weight: 500; color: var(--muted-fg);
  }
  .tabbar a.on { color: var(--fg); }
  .tabbar svg { width: 17px; height: 17px; }
  .g4, .g3, .g2, .g-2-1 { grid-template-columns: 1fr 1fr; }
  .g-2-1, .g3 { grid-template-columns: 1fr; }
  .stat .n { font-size: 27px; }
}
@media (min-width: 1024px) { .tabbar { display: none; } }

/* ---------------------------------------------------------- tema dugmesi */
.theme-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  height: 32px; padding: 0 10px;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--secondary); color: var(--muted-fg);
  font-family: inherit; font-size: 12px; font-weight: 500;
  transition: background-color .15s, color .15s;
}
.theme-btn:hover { background: var(--accent); color: var(--fg); }
.theme-btn svg { width: 15px; height: 15px; }

/* ------------------------------------------------------------ cikis */
/* Tema dugmesiyle ayni golge; hem kenar cubugunda hem ust barda kullanilir.
   Onceden yalniz kenar cubugunda etiketsiz soluk bir ikondu — 1024px alti
   ekranlarda kenar cubugu gizlendigi icin cikis hic gorunmuyordu. */
.cikis-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 32px; padding: 0 10px;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--secondary); color: var(--muted-fg);
  font-family: inherit; font-size: 12px; font-weight: 500;
  text-decoration: none; white-space: nowrap;
  transition: background-color .15s, color .15s, border-color .15s;
}
.cikis-btn:hover {
  background: color-mix(in srgb, var(--danger) 12%, var(--secondary));
  border-color: var(--danger); color: var(--danger);
}
.cikis-btn svg { width: 15px; height: 15px; }
/* Dar telefonlarda saatle yan yana sigmasi icin yazi dusuyor, ikon kaliyor */
/* Telefonda iki sutunlu grid sigmiyor: "Hareketler | Vardiya bekleyenler"
   ust uste biniyordu. 640px altinda tek sutun. */
@media (max-width: 640px) {
  .g2, .g4 { grid-template-columns: 1fr 1fr; }
  .g2 { grid-template-columns: 1fr; }
}
.okuyucu-serit { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.okuyucu-serit .badge { height: 26px; padding: 0 11px; font-size: 12px; }
.badge.bad .dot { background: var(--danger); }
@media (max-width: 420px) {
  .topbar .cikis-btn span { display: none; }
  .topbar .cikis-btn { padding: 0 9px; }
}
/* Etkin olmayan ikonlar gizlenir; app.js yalniz birini gosterir. */
.theme-btn [data-ic] { display: none; }