/* iPhone fiyat takip — arayüz */
:root {
    --app-nav-bg: #0c1222;
    --app-nav-border: rgba(255, 255, 255, 0.06);
    --app-accent: #38bdf8;
    --app-accent-dim: rgba(56, 189, 248, 0.15);
    --app-body-bg: #e8edf3;
    --app-card-radius: 14px;
    --app-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
    --app-text: #0f172a;
    --app-muted: #64748b;
}

html {
    scroll-behavior: smooth;
}

body.app-body {
    font-family: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
    background: var(--app-body-bg);
    color: var(--app-text);
    min-height: 100vh;
}

.app-navbar {
    background: linear-gradient(180deg, #0f172a 0%, var(--app-nav-bg) 100%);
    border-bottom: 1px solid var(--app-nav-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.app-navbar .navbar-brand {
    margin-right: 1rem;
}

/* Beyaz arka planlı PNG logolar: koyu navbar ile uyum için açık kapsül */
.app-nav-logo-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border-radius: 12px;
    padding: 6px 14px;
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.35);
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.app-navbar .navbar-brand:hover .app-nav-logo-wrap {
    background: #f8fafc;
    box-shadow:
        0 4px 14px rgba(0, 0, 0, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.app-navbar .navbar-brand:active .app-nav-logo-wrap {
    transform: scale(0.98);
}

.app-navbar .nav-link {
    color: rgba(248, 250, 252, 0.78) !important;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 0.85rem !important;
    border-radius: 8px;
    transition: background 0.15s, color 0.15s;
}

.app-navbar .nav-link:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.06);
}

.app-navbar .nav-link.active {
    color: #fff !important;
    background: var(--app-accent-dim);
}

.app-shell {
    min-height: calc(100vh - 56px);
}

.app-page-title {
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--app-text);
}

.app-page-sub {
    color: var(--app-muted);
    font-size: 0.9rem;
}

.app-card {
    border: none;
    border-radius: var(--app-card-radius);
    box-shadow: var(--app-shadow);
    background: #fff;
    overflow: hidden;
}

.app-card .card-body {
    padding: 1.25rem 1.35rem;
}

.app-card .card-header {
    background: rgba(15, 23, 42, 0.03);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    font-weight: 600;
    font-size: 0.95rem;
}

/* Bootstrap card override when using app-card */
.card.app-card {
    border: none;
}

/* Tablo */
.table thead th {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--app-muted);
    font-weight: 600;
    border-bottom-width: 1px;
}

/* Giriş sayfası */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: linear-gradient(145deg, #0f172a 0%, #1e293b 40%, #334155 100%);
}

.login-card {
    width: 100%;
    max-width: 420px;
    border-radius: var(--app-card-radius);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.98);
}

.login-logo {
    display: inline-block;
    max-height: 72px;
    max-width: 220px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.app-nav-logo {
    width: auto;
    max-width: 180px;
    height: 38px;
    object-fit: contain;
    display: block;
    vertical-align: middle;
}

/* Kategori kartlari (index) */
.app-picker-card {
    transition: transform 0.18s ease, box-shadow 0.18s ease;
    border-radius: var(--app-card-radius);
}

a:hover .app-picker-card {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.12);
}

.btn-primary {
    --bs-btn-bg: #0284c7;
    --bs-btn-border-color: #0284c7;
    --bs-btn-hover-bg: #0369a1;
    --bs-btn-hover-border-color: #0369a1;
}

.btn-success {
    --bs-btn-bg: #059669;
    --bs-btn-border-color: #059669;
}