/**
 * OSGB Design System — 2026 SaaS / ERP shell
 * Faz 1–2: tokens + layout density + typography + buttons
 * Soft override: layouts/app.blade.php inline stillerinden SONRA yüklenir.
 */

:root {
    /* Layout metrics */
    --topbar-h: 56px;
    --sidebar-w: 240px;
    --sidebar-collapsed-w: 68px;
    --footer-h: 52px;
    --main-pad-x: 1.25rem;
    --main-pad-y: 1rem;

    /* Surfaces — cool neutral, no purple wash */
    --bg: #f4f6f9;
    --bg-grad: #f4f6f9;
    --panel: #ffffff;
    --panel2: #f8fafc;
    --surface: #ffffff;
    --surface-muted: #f1f5f9;

    /* Borders / text */
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    --text: #0f172a;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --muted: #64748b;

    /* Brand — corporate blue only */
    --accent: #2563eb;
    --accent-2: #1d4ed8;
    --accent-dim: #1e40af;
    --primary: #2563eb;
    --secondary: #64748b;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #0284c8;

    /* Radius scale (controlled) */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius: 8px;

    /* Shadow — minimal */
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow: none;

    /* Motion */
    --ease: 150ms ease;
    --ease-med: 200ms ease;

    /* Sidebar */
    --sidebar-bg: #ffffff;
    --sidebar-item-hover: rgba(15, 23, 42, 0.04);
    --sidebar-item-active: rgba(37, 99, 235, 0.08);
    --ui-line-w: 1px;

    /* Type */
    --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --fs-body: 14px;
    --fs-table: 13px;
    --fs-secondary: 12px;
    --fs-title: 1.25rem;
}

[data-theme="dark"] {
    --bg: #0b1220;
    --bg-grad: #0b1220;
    --panel: #111827;
    --panel2: #1e293b;
    --surface: #111827;
    --surface-muted: #1e293b;
    --border: #243044;
    --border-strong: #334155;
    --text: #f1f5f9;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --muted: #94a3b8;
    --accent: #60a5fa;
    --accent-2: #3b82f6;
    --accent-dim: #93c5fd;
    --primary: #60a5fa;
    --success: #4ade80;
    --warning: #fbbf24;
    --danger: #f87171;
    --info: #38bdf8;
    --sidebar-bg: #0f172a;
    --sidebar-item-hover: rgba(148, 163, 184, 0.08);
    --sidebar-item-active: rgba(96, 165, 250, 0.14);
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.25);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* ——— Base density ——— */
body {
    font-family: var(--font) !important;
    font-size: var(--fs-body) !important;
    font-weight: 450 !important;
    line-height: 1.5 !important;
    background: var(--bg) !important;
    background-attachment: scroll !important;
    color: var(--text) !important;
}

main:not(.main--guest-home):not(.main--guest-page) {
    padding: var(--main-pad-y) var(--main-pad-x) !important;
}

.page-title {
    font-size: var(--fs-title) !important;
    font-weight: 650 !important;
    letter-spacing: -0.02em !important;
    margin: 0 0 0.2rem !important;
    text-align: left !important;
}

.page-desc {
    font-size: var(--fs-secondary) !important;
    color: var(--muted) !important;
    margin: 0 0 1rem !important;
    max-width: 42rem !important;
    font-weight: 450 !important;
}

/* ——— Cards / surfaces ——— */
.card {
    background: var(--panel) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-md) !important;
    padding: 1rem 1.15rem !important;
    box-shadow: none !important;
}

.kpi {
    border-radius: var(--radius-md) !important;
    padding: 0.85rem 1rem !important;
    background: var(--panel) !important;
    border: 1px solid var(--border) !important;
    box-shadow: none !important;
}

/* ——— Buttons ——— */
.btn {
    border-radius: var(--radius-sm) !important;
    padding: 0.45rem 0.85rem !important;
    font-size: 0.8125rem !important;
    font-weight: 550 !important;
    backdrop-filter: none !important;
    transition: background var(--ease), border-color var(--ease), color var(--ease), box-shadow var(--ease) !important;
    box-shadow: none !important;
}
.btn:hover:not(:disabled) {
    transform: none !important;
}
.btn-primary {
    background: var(--accent) !important;
    background-image: none !important;
    border-color: var(--accent) !important;
    color: #fff !important;
}
.btn-primary:hover:not(:disabled) {
    background: var(--accent-2) !important;
    border-color: var(--accent-2) !important;
}
.btn-ghost {
    background: transparent !important;
    border-color: var(--border) !important;
    color: var(--text-secondary) !important;
}
.btn-ghost:hover:not(:disabled) {
    background: var(--sidebar-item-hover) !important;
    color: var(--text) !important;
}

.field input,
.field textarea,
.field select {
    border-radius: var(--radius-sm) !important;
    border-color: var(--border) !important;
    padding: 0.45rem 0.65rem !important;
    font-size: var(--fs-body) !important;
    background: var(--panel) !important;
}

/* ——— Sidebar ——— */
.sidebar {
    width: var(--sidebar-w) !important;
    max-width: var(--sidebar-w) !important;
    background: var(--sidebar-bg) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-right: 1px solid var(--border) !important;
    box-shadow: none !important;
}
@media (min-width: 1025px) {
    .sidebar {
        width: var(--sidebar-w) !important;
        box-shadow: none !important;
    }
    .layout--sidebar-open .app-shell {
        padding-left: var(--sidebar-w) !important;
    }
    .layout--sidebar-open .app-shell > .topbar {
        left: var(--sidebar-w) !important;
    }
}

.sidebar-brand {
    padding: 0.75rem 0.85rem !important;
    border-bottom: 1px solid var(--border) !important;
    background: var(--panel) !important;
    gap: 0.55rem !important;
}
.sidebar-brand__mark {
    width: 1.75rem !important;
    height: 1.75rem !important;
    border-radius: var(--radius-sm) !important;
    background: var(--accent) !important;
    background-image: none !important;
    box-shadow: none !important;
    font-size: 0.68rem !important;
    font-weight: 700 !important;
}
.sidebar-brand__name {
    font-size: 0.8125rem !important;
    font-weight: 650 !important;
}
.sidebar-brand__sub {
    font-size: 0.625rem !important;
    font-weight: 500 !important;
    letter-spacing: 0.02em !important;
    text-transform: none !important;
}

.sidebar .acc-btn {
    border-radius: var(--radius-sm) !important;
    padding: 0.4rem 0.65rem !important;
    font-size: 0.8125rem !important;
    font-weight: 550 !important;
    margin: 0.05rem 0 !important;
    gap: 0.5rem !important;
    position: relative;
}
.sidebar .acc-btn:hover {
    background: var(--sidebar-item-hover) !important;
    color: var(--text) !important;
}
.sidebar .acc-btn.is-open {
    background: var(--sidebar-item-active) !important;
    color: var(--accent-dim) !important;
}
.sidebar .acc-btn.is-open::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    bottom: 20%;
    width: 2px;
    border-radius: 1px;
    background: var(--accent);
}

.sidebar .nav a,
.sidebar .acc-list a,
.sidebar .nav-single-link {
    border-radius: var(--radius-sm) !important;
    font-size: 0.78rem !important;
    font-weight: 500 !important;
    padding: 0.32rem 0.65rem 0.32rem 1.85rem !important;
    margin: 0 !important;
}
.sidebar .nav a.active,
.sidebar .acc-list a.active {
    background: var(--sidebar-item-active) !important;
    color: var(--accent-dim) !important;
    font-weight: 600 !important;
    box-shadow: none !important;
}

.sidebar-nav-icon {
    width: 1.05rem !important;
    height: 1.05rem !important;
    color: var(--muted) !important;
    opacity: 1 !important;
}
.sidebar .acc-btn.is-open .sidebar-nav-icon,
.sidebar .nav a.active .sidebar-nav-icon {
    color: var(--accent) !important;
}

.nav-section-label,
.nav-group-title {
    font-size: 0.65rem !important;
    font-weight: 600 !important;
    letter-spacing: 0.04em !important;
    padding: 0.65rem 0.75rem 0.25rem !important;
    color: var(--muted) !important;
}

.sidebar-version {
    padding: 0.4rem 0.75rem !important;
    background: var(--panel2) !important;
    border-top: 1px solid var(--border) !important;
    backdrop-filter: none !important;
}
.sidebar-version__value {
    border-radius: var(--radius-xs) !important;
    font-size: 0.65rem !important;
    padding: 0.1rem 0.35rem !important;
    background: var(--sidebar-item-active) !important;
}

.sidebar-debug {
    display: none !important; /* normal UI'da gizli; super_admin için layout'ta açılır */
}
.sidebar-debug.is-allowed {
    display: block !important;
    background: var(--panel2) !important;
    border-top: 1px solid var(--border) !important;
}
.sidebar-debug__toggle,
.sidebar-debug__panel {
    border-radius: var(--radius-sm) !important;
    box-shadow: none !important;
}

/* ——— Topbar ——— */
.topbar {
    height: var(--topbar-h) !important;
    min-height: var(--topbar-h) !important;
    background: var(--panel) !important;
    border-bottom: 1px solid var(--border) !important;
    box-shadow: none !important;
    padding: 0 0.85rem !important;
    gap: 0.75rem !important;
}
.app-shell .topbar {
    border-left: 1px solid var(--border) !important;
}

.topbar-brand {
    /* Logo sidebar'da; topbar'da breadcrumb öncelikli — logo kompakt */
    flex-shrink: 0;
}
@media (min-width: 1025px) {
    .topbar-brand {
        display: none !important;
    }
}

.topbar-crumb {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.05rem;
}
.topbar-crumb__path {
    font-size: var(--fs-secondary);
    color: var(--muted);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.25;
}
.topbar-crumb__path a {
    color: var(--muted);
    text-decoration: none;
}
.topbar-crumb__path a:hover {
    color: var(--accent);
}
.topbar-crumb__sep {
    margin: 0 0.35rem;
    opacity: 0.5;
}
.topbar-crumb__current {
    color: var(--text);
    font-weight: 550;
}

.topbar-notif-btn {
    border-radius: var(--radius-sm) !important;
    border: 1px solid var(--border) !important;
    background: var(--panel) !important;
}
.topbar-menu {
    border-radius: var(--radius-md) !important;
    border: 1px solid var(--border) !important;
    box-shadow: var(--shadow-sm) !important;
    padding: 0.25rem !important;
}
.topbar-menu a,
.topbar-menu button {
    border-radius: var(--radius-sm) !important;
    font-size: 0.8125rem !important;
}

.sidebar-toggle {
    border-radius: var(--radius-sm) !important;
    border: 1px solid var(--border) !important;
    background: var(--panel) !important;
}

/* ——— Footer — compact ——— */
footer.app-footer {
    padding: 0.65rem 1rem !important;
    font-size: var(--fs-secondary) !important;
    background: var(--panel) !important;
    border-top: 1px solid var(--border) !important;
    min-height: var(--footer-h);
}
footer.app-footer .app-footer__card {
    border: none !important;
    background: transparent !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 0 !important;
}
footer.app-footer .app-footer__card:hover {
    border: none !important;
    box-shadow: none !important;
}

/* Hide bulky footer contact grids if present — keep legal strip */
footer.app-footer .guest-footer-grid,
footer.app-footer .app-footer__grid {
    display: none !important;
}

/* Tables (global compact) */
table.data {
    font-size: var(--fs-table) !important;
}
table.data th,
table.data td {
    padding: 0.4rem 0.5rem !important;
}

/* Focus accessibility */
:focus-visible {
    outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
    outline-offset: 2px;
}

@media (max-width: 1024px) {
    :root {
        --topbar-h: 52px;
        --main-pad-x: 0.75rem;
        --main-pad-y: 0.75rem;
    }
    .topbar-brand {
        display: flex !important;
    }
    .topbar-crumb {
        display: none;
    }
}