/* CORTEX — tasarım token'ları (docs/06) */
:root {
    /* Marka */
    --brand-primary: #ff4d0f;
    --brand-dark:    #c93d0c;
    --brand-deep:    #7a2a0d;
    --brand-soft:    #ffe9e0;

    /* Kabuk */
    --sidebar-bg:     #7a2a0d;
    --sidebar-bg-2:   #a43710;
    --sidebar-border: rgba(255, 255, 255, .2);
    --page-bg:        #eef0f6;
    --card-border:    #dfe4ef;
    --text-main:      #273043;
    --muted:          #64748b;

    /* Yumuşak zeminler */
    --success-soft: #e7f7ef;
    --warning-soft: #fff4d8;
    --danger-soft:  #fde7e4;

    /* Durum — marka renginden kesin olarak ayrıdır (docs/06 §1.2) */
    --status-good:     #0ca30c;
    --status-warning:  #fab219;
    --status-critical: #d03b3b;
    --status-unknown:  #64748b;
}

html, body { min-height: 100%; }

body.cortex-body {
    margin: 0;
    background: var(--page-bg);
    color: var(--text-main);
    font-family: "Segoe UI", "Noto Sans", "Helvetica Neue", Arial, sans-serif;
}

a { text-decoration: none; }

/* --- Butonlar: küçük metin taşıyan dolgular --brand-dark kullanır (4.5:1) --- */
.cortex-brand-button {
    background: var(--brand-dark);
    border-color: var(--brand-dark);
    color: #fff;
    font-weight: 600;
}
.cortex-brand-button:hover, .cortex-brand-button:focus {
    background: var(--brand-deep); border-color: var(--brand-deep); color: #fff;
}
.cortex-outline-button { border-color: #f2a386; color: var(--brand-dark); }
.cortex-outline-button:hover, .cortex-outline-button:focus {
    background: var(--brand-dark); border-color: var(--brand-dark); color: #fff;
}

/* --- Kabuk --- */
.cortex-shell { display: flex; min-height: 100vh; }

.cortex-sidebar {
    width: 248px; flex-shrink: 0;
    background: linear-gradient(180deg, var(--sidebar-bg) 0%, var(--sidebar-bg-2) 100%);
    color: #fff; display: flex; flex-direction: column;
    position: sticky; top: 0; height: 100vh;
}
.cortex-sidebar-header { padding: 1.1rem 1rem; border-bottom: 1px solid var(--sidebar-border); }
.cortex-brand { color: #fff; font-weight: 700; font-size: 1.25rem; letter-spacing: .06em; }
.cortex-nav { flex: 1; overflow-y: auto; }
.cortex-nav-section {
    font-size: .7rem; text-transform: none; letter-spacing: .08em;
    color: rgba(255,255,255,.55); padding: 1rem .85rem .35rem;
}
.cortex-nav-link {
    display: flex; align-items: center; gap: .6rem;
    padding: .55rem .85rem; margin: .1rem .5rem; border-radius: 8px;
    color: rgba(255,255,255,.88); font-size: .9rem;
}
.cortex-nav-link:hover { background: rgba(255,255,255,.1); color: #fff; }
.cortex-nav-link.active { background: var(--brand-primary); color: #fff; font-weight: 600; }
.cortex-nav-link .badge { margin-left: auto; }

.cortex-sidebar-footer { border-top: 1px solid var(--sidebar-border); padding: .85rem; }
.cortex-sidebar-clock { text-align: center; margin-bottom: .6rem; }
.cortex-sidebar-clock-time { font-size: 1.4rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.cortex-sidebar-clock-date { font-size: .78rem; color: rgba(255,255,255,.65); }
.cortex-logout-link { color: rgba(255,255,255,.9); width: 100%; text-align: left; }
.cortex-logout-link:hover { color: #fff; background: rgba(255,255,255,.1); }

.cortex-content { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.cortex-topbar {
    background: #fff; border-bottom: 1px solid var(--card-border);
    min-height: 58px; display: flex; align-items: center;
}
.cortex-main { padding: 1.5rem; flex: 1; }

/* --- Platform bölümü: yanlışlıkla platform işlemi yapılmasını önler --- */
.cortex-platform-bar {
    background: #0b2231; color: #fff; font-size: .82rem;
    padding: .35rem 1rem; letter-spacing: .04em;
}
.cortex-impersonation-bar {
    background: var(--status-warning); color: #3d2c00; font-weight: 600;
    padding: .45rem 1rem; font-size: .85rem;
}

/* --- Kartlar --- */
.card, .cortex-card {
    border: 1px solid var(--card-border); border-radius: 14px;
    box-shadow: 0 8px 20px rgba(11, 16, 28, .08); background: #fff;
}
.cortex-kpi-value { font-size: 2.25rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.cortex-kpi-label { font-size: .8125rem; color: var(--muted); }

/* --- Durum rozetleri: ikon + etiket + renk (renk tek başına anlam taşımaz) --- */
.cortex-status {
    display: inline-flex; align-items: center; gap: .35rem;
    padding: .18rem .55rem; border-radius: 999px;
    font-size: .78rem; font-weight: 600;
}
.cortex-status--good     { background: var(--success-soft); color: #0a6b0a; }
.cortex-status--warning  { background: var(--warning-soft); color: #7a5600; }
.cortex-status--critical { background: var(--danger-soft);  color: #97211f; }
.cortex-status--unknown  { background: #eef0f6;             color: var(--muted); }

/* --- Misafir düzeni --- */
.cortex-guest-topbar { background: #fff; border-bottom: 1px solid var(--card-border); min-height: 60px; }
.cortex-guest-main {
    min-height: calc(100vh - 106px); display: flex;
    align-items: center; justify-content: center; padding: 2.25rem 1rem 3rem;
}
.cortex-guest-footer {
    background: #fff; border-top: 1px solid var(--card-border);
    min-height: 46px; color: var(--muted); font-size: .9rem;
}
.login-card { width: 100%; max-width: 470px; }

.form-control:focus, .form-select:focus {
    border-color: #f2a386; box-shadow: 0 0 0 .2rem rgba(255, 77, 15, .15);
}

@media (max-width: 991.98px) {
    .cortex-sidebar {
        position: fixed; left: -248px; z-index: 1040; transition: left .2s ease;
    }
    body.sidebar-open .cortex-sidebar { left: 0; }
    .cortex-sidebar-backdrop { display: none; }
    body.sidebar-open .cortex-sidebar-backdrop {
        display: block; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 1030;
    }
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}