/* ==========================================================================
   SPORCU BİLGİ SİSTEMİ — "Metro" tarzı çok renkli admin paneli teması
   Koyu sol menü/üst bar + canlı düz (flat) renklerle vurgulanan kategori
   döşemeleri. Kulüp logosu renkleri KASTEN kullanılmamıştır — bu tema
   bağımsız bir "Metro" renk paletine dayanır.
   ========================================================================== */

:root {
    /* Nötr / sayfa zemini */
    --color-bg: #F4F6F8;
    --color-surface: #FFFFFF;
    --color-border: #E2E8F0;
    --color-toolbar-bg: #ECEFF1;

    /* Koyu kabuk (chrome) */
    --color-topbar-bg: #181818;
    --color-sidebar-bg: #2D2D2D;
    --color-sidebar-hover: #3B3B3B;

    /* Metin */
    --color-text: #1F2937;
    --color-text-muted: #6B7280;
    --color-text-on-dark: #E8EAED;
    --color-text-on-dark-muted: #9AA0A6;

    /* Eylem renkleri (Metro paleti) */
    --color-action-blue: #2D89EF;
    --color-action-blue-dark: #1C6FD1;
    --color-cta-amber: #FFC40D;
    --color-cta-amber-dark: #D9A800;
    --color-text-on-amber: #1F2937;

    /* Kısıtlı erişim rozetleri (sadece üyeler / belirli kişiler) */
    --color-restricted-bg: #FFF3CD;
    --color-restricted-text: #8A6D00;

    /* Ölçüler */
    --sidebar-width: 264px;
    --topbar-height: 60px;
    --radius: 8px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.14);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 15px;
    line-height: 1.6;
}

a {
    color: var(--color-action-blue);
    text-decoration: none;
}

a:hover {
    color: var(--color-action-blue-dark);
    text-decoration: underline;
}

h1, h2, h3 {
    line-height: 1.25;
    color: var(--color-text);
}

svg {
    display: block;
}

/* ---------------------------------- Üst bar ------------------------------ */

.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-height);
    background: var(--color-topbar-bg);
    color: var(--color-text-on-dark);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 16px;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text-on-dark);
    border-radius: 2px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-on-dark);
}

.brand:hover {
    text-decoration: none;
    opacity: 0.9;
}

.brand-logo {
    width: 38px;
    height: 38px;
    object-fit: contain;
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-text strong {
    font-size: 15px;
}

.brand-text small {
    font-size: 12px;
    color: var(--color-text-on-dark-muted);
}

.topbar-right {
    margin-left: auto;
}

/* ---- Giriş yapmış kullanıcı menüsü ---- */

.user-menu {
    position: relative;
}

.user-menu summary {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px 6px 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-text-on-dark);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
}

.user-menu summary::-webkit-details-marker {
    display: none;
}

.user-menu summary:hover {
    background: rgba(255, 255, 255, 0.14);
}

.user-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-cta-amber);
    color: var(--color-text-on-amber);
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.user-menu[open] summary {
    background: rgba(255, 255, 255, 0.14);
}

.user-menu-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 180px;
    overflow: hidden;
    z-index: 110;
}

.user-menu-panel a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 16px;
    color: var(--color-text);
    font-size: 14px;
    font-weight: 500;
}

.user-menu-panel a:hover {
    background: var(--color-bg);
    text-decoration: none;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius);
    background: var(--color-cta-amber);
    color: var(--color-text-on-amber);
    font-size: 14px;
    font-weight: 700;
}

.btn-cta:hover {
    background: var(--color-cta-amber-dark);
    text-decoration: none;
    color: var(--color-text-on-amber);
}

/* ------------------------------- Genel layout ---------------------------- */

.layout {
    display: flex;
    padding-top: var(--topbar-height);
    min-height: 100vh;
}

/* --------------------------------- Sidebar -------------------------------- */

.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--color-sidebar-bg);
    color: var(--color-text-on-dark);
    position: fixed;
    top: var(--topbar-height);
    bottom: 0;
    left: 0;
    overflow-y: auto;
    padding: 18px 0;
    z-index: 90;
}

.sidebar-nav .nav-group {
    margin-bottom: 16px;
}

.nav-group-title {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-on-dark-muted);
    margin-bottom: 8px;
}

.nav-group-icon {
    display: flex;
    color: var(--accent);
    opacity: 0.95;
}

.nav-sublist {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-sublist li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 20px;
    color: var(--color-text-on-dark);
    font-size: 14px;
}

.nav-link-label {
    flex: 1;
}

.nav-link-lock {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    color: var(--color-text-on-dark-muted);
    opacity: 0.9;
}

.nav-link-icon {
    display: flex;
    flex-shrink: 0;
    opacity: 0.75;
}

.nav-sublist li a:hover {
    background: var(--color-sidebar-hover);
    text-decoration: none;
}

.nav-sublist li a.active {
    background: var(--accent-dark);
    font-weight: 600;
}

.nav-sublist li a.active .nav-link-icon {
    opacity: 1;
}

.nav-empty {
    padding: 0 20px;
    font-size: 13px;
    opacity: 0.6;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: 80;
}

.sidebar-overlay.visible {
    display: block;
}

/* --------------------------------- İçerik -------------------------------- */

.content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 24px 36px 60px;
    max-width: 1040px;
}

/* Üst bilgi şeridi (breadcrumb) — referans tasarımdaki gri araç çubuğu */
.toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--color-toolbar-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 10px 16px;
    margin-bottom: 20px;
    font-size: 13px;
    color: var(--color-text-muted);
}

.toolbar-home-icon {
    display: flex;
    color: var(--color-text-muted);
}

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

.toolbar a:hover {
    color: var(--color-action-blue);
}

.toolbar-sep {
    opacity: 0.5;
}

.toolbar-current {
    color: var(--color-text);
    font-weight: 600;
}

.page-header h1 {
    margin: 0 0 8px;
    font-size: 26px;
}

.page-header .lead {
    color: var(--color-text-muted);
    font-size: 16px;
    max-width: 640px;
}

.page-body {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-top: 16px;
}

.module-note {
    color: var(--color-text-muted);
    font-size: 13px;
    margin-top: 14px;
}

.access-denied-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px 28px;
    margin-top: 16px;
    max-width: 540px;
    text-align: center;
}

.access-denied-icon {
    display: flex;
    justify-content: center;
    color: var(--color-restricted-text);
    margin-bottom: 14px;
}

.access-denied-box h2 {
    font-size: 18px;
    margin: 0 0 10px;
}

.access-denied-box p {
    color: var(--color-text-muted);
    margin: 0 0 18px;
}

.access-denied-box .btn-cta {
    display: inline-flex;
}

.notice-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-action-blue);
    border-radius: var(--radius);
    padding: 18px 22px;
    margin-top: 16px;
    color: var(--color-text-muted);
}

/* ---- Sayfa listesi (kategori altı sayfalar) ---- */

.page-list {
    list-style: none;
    margin: 16px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.page-list li a {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius);
    padding: 14px 18px;
    color: var(--color-text);
    font-weight: 500;
}

.page-list-icon {
    display: flex;
    color: var(--accent);
    flex-shrink: 0;
}

.page-list-label {
    flex: 1;
}

.page-list-lock {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    font-weight: 700;
    color: var(--color-restricted-text);
    background: var(--color-restricted-bg);
    padding: 4px 10px;
    border-radius: 999px;
    flex-shrink: 0;
}

.page-list li a:hover {
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

/* ---- Ana sayfa renkli döşemeler (tile) ---- */

.tile-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 24px;
}

.tile {
    flex: 1 1 230px;
    background: var(--accent);
    border-radius: var(--radius);
    overflow: hidden;
    color: #fff;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.tile:hover {
    box-shadow: var(--shadow-md);
    text-decoration: none;
    transform: translateY(-2px);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tile-icon {
    padding: 18px 18px 0;
    opacity: 0.9;
}

.tile h2 {
    margin: 10px 18px 16px;
    font-size: 19px;
    font-weight: 700;
    color: #fff;
}

.tile-footer {
    margin-top: auto;
    background: rgba(0, 0, 0, 0.18);
    padding: 10px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12.5px;
    font-weight: 600;
}

/* ---- Giriş formu ---- */

.login-box {
    max-width: 380px;
    margin-top: 16px;
}

.login-error {
    background: #FDEDEC;
    border: 1px solid #F5B7B1;
    color: #922B21;
    border-radius: var(--radius);
    padding: 10px 14px;
    font-size: 13.5px;
    margin-bottom: 16px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
}

.form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-top: 10px;
}

.form-input {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    color: var(--color-text);
}

.form-input:focus {
    outline: 2px solid var(--color-action-blue);
    outline-offset: 1px;
}

.login-submit {
    justify-content: center;
    border: none;
    cursor: pointer;
    margin-top: 18px;
    font-size: 15px;
    padding: 11px 16px;
}

.login-note {
    font-size: 12.5px;
    color: var(--color-text-muted);
    margin-top: 14px;
    line-height: 1.5;
}

/* ---- Hesap Bilgilerim ---- */

.profile-summary {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.profile-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #9F00A7;
    color: #fff;
    font-weight: 700;
    font-size: 17px;
    flex-shrink: 0;
}

.profile-name {
    margin: 0 0 4px;
    font-size: 18px;
}

.profile-role-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: #6E0076;
    background: #F3DAF5;
    padding: 3px 10px;
    border-radius: 999px;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.info-table th,
.info-table td {
    text-align: left;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
}

.info-table th {
    width: 160px;
    color: var(--color-text-muted);
    font-weight: 600;
}

.info-table tr:last-child th,
.info-table tr:last-child td {
    border-bottom: none;
}

/* ---------------------------------- Footer -------------------------------- */

.footer {
    margin-left: var(--sidebar-width);
    padding: 16px 36px;
    font-size: 12px;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
}

/* ======================== Responsive (mobil/tablet) ====================== */

@media (max-width: 991px) {
    .menu-toggle {
        display: flex;
    }

    .sidebar {
        left: 0;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        box-shadow: var(--shadow-md);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .content,
    .footer {
        margin-left: 0;
    }

    .content {
        padding: 20px 18px 48px;
    }

    .brand-text small {
        display: none;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 22px;
    }

    .page-body {
        padding: 18px;
    }

    .btn-cta span {
        display: none;
    }
}