/* ============================================================
   GLOBAL ROOT VARIABLES (LIGHT THEME)
   ============================================================ */
:root {
    /* Background – Light */
    --color-bg: #f3f4f6;
    --color-surface: #ffffff;
    --color-surface-alt: #f8fafc;
    /* Text */
    --color-text: #111827;
    --color-text-muted: #6b7280;
    /* Borders & Shadows */
    --color-border: #e5e7eb;
    --shadow-card: 0 2px 6px rgba(0, 0, 0, 0.06);
    /* Sidebar */
    --sidebar-bg: #ffffff;
    --sidebar-border: #e5e7eb;
    /* Accent – DEFAULT INFO BLUE */
    --accent-100: #eff6ff;
    --accent-200: #bfdbfe;
    --accent-300: #93c5fd;
    --accent-700: #1d4ed8;
    /* =======================================
       AdminLTE TARZI RENKLER (ROOT)
       ======================================= */
    --color-primary: #3b82f6;
    --color-primary-bg: rgba(59, 130, 246, 0.12);
    --color-primary-text: #2563eb;
    --color-success: #22c55e;
    --color-success-bg: rgba(34, 197, 94, 0.12);
    --color-success-text: #16a34a;
    --color-warning: #f97316;
    --color-warning-bg: rgba(249, 115, 22, 0.12);
    --color-warning-text: #ea580c;
    --color-danger: #ef4444;
    --color-danger-bg: rgba(239, 68, 68, 0.12);
    --color-danger-text: #dc2626;
}

/* ============================================================
   DARK THEME OVERRIDES
   ============================================================ */

.dark {
    --color-bg: #0f172a;
    --color-surface: #1e293b;
    --color-surface-alt: #334155;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-border: #2f3a4d;
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.45);
    --sidebar-bg: #111827;
    --sidebar-border: #1f2937;
    --accent-100: rgba(96, 165, 250, 0.15);
    --accent-200: #3b82f6;
    --accent-300: #60a5fa;
    --accent-700: #93c5fd;
    /* AdminLTE renkleri - Dark */
    --color-primary: #60a5fa;
    --color-primary-bg: rgba(96, 165, 250, 0.18);
    --color-primary-text: #c7d2fe;
    --color-success: #4ade80;
    --color-success-bg: rgba(74, 222, 128, 0.18);
    --color-success-text: #bbf7d0;
    --color-warning: #fb923c;
    --color-warning-bg: rgba(251, 146, 60, 0.18);
    --color-warning-text: #fed7aa;
    --color-danger: #f87171;
    --color-danger-bg: rgba(248, 113, 113, 0.18);
    --color-danger-text: #fecaca;
}

/* ============================================================
   GLOBAL LAYOUT
   ============================================================ */

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 0;
}

.text-muted {
    color: var(--color-text-muted);
}

/* ============================================================
   SIDEBAR NAVIGATION
   ============================================================ */

/* Sol menü container'ı (Layout tarafında .sidebar-nav ile kullanıyoruz) */

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
    font-size: 0.82rem;
}

    /* Bölüm başlıkları (GENEL / LİSANSLAMA / ...) */
    .sidebar-nav .nav-section {
        display: flex;
        flex-direction: column;
        gap: 0.15rem;
    }

    .sidebar-nav .nav-section-title {
        font-size: 0.68rem;
        text-transform: uppercase;
        letter-spacing: 0.16em;
        color: var(--color-text-muted);
        margin-bottom: 0.3rem;
    }

    /* Linkler */
    .sidebar-nav .nav-link {
        display: flex;
        align-items: center;
        gap: 0.55rem;
        padding: 0.35rem 0.55rem;
        border-radius: 0.5rem;
        color: var(--color-text);
        text-decoration: none;
        font-weight: 500;
        position: relative;
        border: 1px solid transparent;
        transition: background-color 0.15s ease-out, color 0.15s ease-out, border-color 0.15s ease-out, transform 0.1s ease-out;
    }

    /* Sol taraftaki küçük nokta */
    .sidebar-nav .nav-link-dot {
        width: 6px;
        height: 6px;
        border-radius: 999px;
        background-color: var(--color-border);
        flex-shrink: 0;
    }

    .sidebar-nav .nav-link-text {
        white-space: nowrap;
    }

    /* Hover - hafif vurgulu */
    .sidebar-nav .nav-link:hover {
        background-color: var(--accent-100);
        border-color: var(--accent-200);
        color: var(--color-text);
        transform: translateX(1px);
    }

    /* Aktif link */
    .sidebar-nav .nav-link-active {
        background-color: var(--accent-100);
        border-color: var(--accent-200);
        color: var(--accent-700);
    }

        .sidebar-nav .nav-link-active .nav-link-dot {
            background-color: var(--accent-700);
        }

/* ============================================================
   GENERIC CARD COMPONENT
   ============================================================ */

.cse-card {
    background: var(--color-surface);
    border-radius: 0.85rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    padding: 1.1rem 1.3rem;
}

.cse-card-header {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.4rem;
}

.cse-card-subtitle {
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

/* ============================================================
   DASHBOARD METRICS
   ============================================================ */

.dashboard-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.9rem;
    margin-bottom: 1.2rem;
}

.metric-card {
    background: var(--color-surface);
    border-radius: 0.9rem;
    border: 1px solid var(--color-border);
    padding: 0.85rem 0.95rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    position: relative;
    box-sizing: border-box;
}

    /* SOL RENK ÇİZGİSİ (default accent) */
    .metric-card::before {
        content: "";
        position: absolute;
        left: 0;
        top: 10px;
        bottom: 10px;
        width: 3px;
        border-radius: 3px;
        background: var(--accent-300);
        opacity: 0.85;
    }

/* Başlık alanı */
.metric-header {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 0.2rem;
}

.metric-header-main {
    display: flex;
    flex-direction: column;
}

.metric-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
}

.metric-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

.metric-footer {
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

/* Küçük ikon alanı */
.metric-icon {
    width: 24px;
    height: 24px;
    border-radius: 999px;
    background: var(--accent-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--accent-700);
}

    .metric-icon svg {
        width: 16px;
        height: 16px;
    }

/* ============================================================
   COLORIZED METRIC VARIANTS (Primary / Success / Warning / Danger)
   ============================================================ */

.metric-card-primary::before {
    background: var(--color-primary);
}

.metric-card-primary .metric-icon {
    background: var(--color-primary-bg);
    color: var(--color-primary-text);
}

.metric-card-success::before {
    background: var(--color-success);
}

.metric-card-success .metric-icon {
    background: var(--color-success-bg);
    color: var(--color-success-text);
}

.metric-card-warning::before {
    background: var(--color-warning);
}

.metric-card-warning .metric-icon {
    background: var(--color-warning-bg);
    color: var(--color-warning-text);
}

.metric-card-danger::before {
    background: var(--color-danger);
}

.metric-card-danger .metric-icon {
    background: var(--color-danger-bg);
    color: var(--color-danger-text);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 992px) {
    .dashboard-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* ============================================================
   FORM CONTROLS – BOOTSTRAP .form-control STİLİ
   ============================================================ */

.cse-input {
    display: block;
    width: 100%;
    padding: 0.375rem 0.65rem; /* .form-control-sm ölçüsüne yakın */
    font-size: 0.9rem;
    line-height: 1.4;
    color: var(--color-text);
    background-color: var(--color-surface);
    background-clip: padding-box;
    border: 1px solid var(--color-border);
    border-radius: 0.25rem; /* 4px */
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

    .cse-input::placeholder {
        color: var(--color-text-muted);
        opacity: 0.9;
    }

    /* Hover */
    .cse-input:hover {
        border-color: #cbd5e1; /* hafif koyu gri */
    }

    /* Focus */
    .cse-input:focus {
        border-color: var(--accent-300); /* bootstrap’teki #86b7fe benzeri */
        box-shadow: 0 0 0 0.15rem var(--accent-100);
        background-color: var(--color-surface);
    }

    /* Disabled */
    .cse-input:disabled,
    .cse-input[readonly] {
        background-color: var(--color-surface-alt);
        opacity: 0.7;
        cursor: not-allowed;
    }