/* ===== GAÜN BİDB Tema - bidb.gaziantep.edu.tr Renk Uyumu ===== */

:root {
    /* Ana Renkler */
    --gaun-primary: #1B3A5C;
    --gaun-primary-dark: #0F2640;
    --gaun-primary-light: #2E5E8E;
    --gaun-secondary: #2980B9;
    --gaun-secondary-dark: #2471A3;
    --gaun-accent: #E67E22;
    --gaun-accent-light: #F39C12;

    /* Arka Planlar */
    --gaun-bg: #EBEEF2;
    --gaun-card-bg: #FFFFFF;
    --gaun-card-header: #1B3A5C;
    --gaun-sidebar-bg: #F5F7FA;

    /* Metin */
    --gaun-text: #2C3E50;
    --gaun-text-secondary: #6C757D;
    --gaun-text-light: #95A5A6;

    /* Kenarlıklar */
    --gaun-border: #D5DBE1;
    --gaun-border-light: #E8ECF0;

    /* Durumlar */
    --gaun-success: #27AE60;
    --gaun-success-bg: #D5F5E3;
    --gaun-danger: #E74C3C;
    --gaun-danger-bg: #FADBD8;
    --gaun-warning: #F39C12;
    --gaun-warning-bg: #FEF5E7;
    --gaun-info: #3498DB;
    --gaun-info-bg: #D6EAF8;

    /* Gölge */
    --gaun-shadow: 0 2px 12px rgba(27, 58, 92, 0.08);
    --gaun-shadow-md: 0 4px 20px rgba(27, 58, 92, 0.12);
    --gaun-shadow-lg: 0 8px 30px rgba(27, 58, 92, 0.15);

    /* Geçiş & Radius */
    --gaun-transition: all 0.25s ease;
    --gaun-radius: 8px;
    --gaun-radius-lg: 12px;
    --gaun-radius-xl: 16px;
}

/* ===== Temel ===== */
body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--gaun-bg);
    color: var(--gaun-text);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* ===== Navbar ===== */
.gaun-navbar {
    background: linear-gradient(135deg, var(--gaun-primary) 0%, var(--gaun-primary-dark) 100%);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    padding: 0;
    border-bottom: 3px solid var(--gaun-accent);
}

.gaun-navbar .navbar-brand {
    font-size: 1rem;
    font-weight: 500;
    color: #fff !important;
    padding: 0.5rem 0;
    line-height: 1.3;
}

.gaun-navbar .navbar-brand small {
    font-size: 0.8rem;
    opacity: 0.85;
    font-weight: 400;
}

.gaun-navbar .nav-link {
    color: rgba(255,255,255,0.85) !important;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.6rem 1rem;
    transition: var(--gaun-transition);
    border-radius: 4px;
    margin: 0 2px;
}

.gaun-navbar .nav-link:hover,
.gaun-navbar .nav-link.active {
    color: #fff !important;
    background: rgba(255,255,255,0.12);
}

.gaun-logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 0;
}

.gaun-logo {
    height: 44px;
    width: auto;
    border-radius: 50%;
    background: white;
    padding: 2px;
    transition: transform 0.3s ease;
}

.gaun-logo:hover {
    transform: scale(1.05);
}

.gaun-logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gaun-accent);
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 4px 10px;
    border-radius: 4px;
    letter-spacing: 1px;
}

/* ===== Kart ===== */
.gaun-card {
    background: var(--gaun-card-bg);
    border: none;
    border-radius: var(--gaun-radius-lg);
    box-shadow: var(--gaun-shadow);
    overflow: hidden;
    transition: var(--gaun-transition);
}

.gaun-card:hover {
    box-shadow: var(--gaun-shadow-md);
}

.gaun-card-header {
    background: linear-gradient(135deg, var(--gaun-primary) 0%, var(--gaun-primary-light) 100%);
    color: #fff;
    padding: 1.25rem 1.5rem;
    border: none;
    font-weight: 500;
}

.gaun-card-header h3, .gaun-card-header h4, .gaun-card-header h5 { margin: 0; color: #fff; }
.gaun-card-header p { color: rgba(255,255,255,0.8); margin: 0.25rem 0 0; }
.gaun-card-body { padding: 1.75rem; }

/* ===== Form ===== */
.gaun-form .form-label, .gaun-form label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--gaun-text);
    margin-bottom: 0.4rem;
}

.gaun-form .form-control {
    border: 1.5px solid var(--gaun-border);
    border-radius: var(--gaun-radius);
    padding: 0.65rem 0.9rem;
    font-size: 0.9rem;
    transition: var(--gaun-transition);
    background-color: #FAFBFC;
}

.gaun-form .form-control:focus {
    border-color: var(--gaun-secondary);
    box-shadow: 0 0 0 3px rgba(41,128,185,0.15);
    background-color: #fff;
}

.gaun-form .input-group-text {
    background-color: var(--gaun-sidebar-bg);
    border: 1.5px solid var(--gaun-border);
    border-right: none;
    color: var(--gaun-primary);
}

.gaun-form .input-group .form-control { border-left: none; }
.gaun-form .form-group { margin-bottom: 1.25rem; }

/* ===== Butonlar ===== */
.btn-gaun-primary {
    background: linear-gradient(135deg, var(--gaun-secondary) 0%, var(--gaun-primary-light) 100%);
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 0.7rem 1.75rem;
    border-radius: var(--gaun-radius);
    transition: var(--gaun-transition);
    box-shadow: 0 2px 6px rgba(41,128,185,0.3);
}

.btn-gaun-primary:hover {
    background: linear-gradient(135deg, var(--gaun-secondary-dark) 0%, var(--gaun-primary) 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(41,128,185,0.4);
    color: #fff;
}

.btn-gaun-secondary {
    background: transparent;
    border: 2px solid var(--gaun-border);
    color: var(--gaun-text);
    font-weight: 500;
    padding: 0.65rem 1.5rem;
    border-radius: var(--gaun-radius);
    transition: var(--gaun-transition);
}

.btn-gaun-secondary:hover {
    border-color: var(--gaun-secondary);
    color: var(--gaun-secondary);
    background: var(--gaun-info-bg);
}

/* ===== Pills ===== */
.gaun-pills .nav-link {
    border-radius: var(--gaun-radius);
    padding: 0.55rem 1.25rem;
    color: var(--gaun-text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--gaun-transition);
    border: 1.5px solid transparent;
}

.gaun-pills .nav-link:hover {
    color: var(--gaun-secondary);
    background: var(--gaun-info-bg);
}

.gaun-pills .nav-link.active {
    background: var(--gaun-secondary);
    color: #fff;
    border-color: var(--gaun-secondary);
}

/* ===== Alert ===== */
.gaun-alert {
    border-radius: var(--gaun-radius);
    border: none;
    padding: 0.9rem 1.25rem;
    font-size: 0.9rem;
    border-left: 4px solid;
}

.gaun-alert-success { background: var(--gaun-success-bg); color: #1E7E34; border-left-color: var(--gaun-success); }
.gaun-alert-danger { background: var(--gaun-danger-bg); color: #C0392B; border-left-color: var(--gaun-danger); }
.gaun-alert-warning { background: var(--gaun-warning-bg); color: #856404; border-left-color: var(--gaun-warning); }
.gaun-alert-info { background: var(--gaun-info-bg); color: #1A5276; border-left-color: var(--gaun-info); }

/* ===== Sidebar ===== */
.gaun-sidebar .list-group-item {
    border: none;
    border-radius: 0;
    padding: 0.85rem 1.25rem;
    font-weight: 500;
    color: var(--gaun-text);
    transition: var(--gaun-transition);
    border-left: 3px solid transparent;
    background: transparent;
}

.gaun-sidebar .list-group-item:hover {
    background: var(--gaun-sidebar-bg);
    color: var(--gaun-secondary);
    border-left-color: var(--gaun-secondary);
}

.gaun-sidebar .list-group-item.active {
    background: var(--gaun-info-bg);
    color: var(--gaun-secondary);
    border-left-color: var(--gaun-secondary);
    font-weight: 600;
}

/* ===== Footer ===== */
.gaun-footer {
    background: var(--gaun-primary-dark);
    color: rgba(255,255,255,0.7);
    padding: 1.25rem 0;
    margin-top: 3rem;
    font-size: 0.85rem;
    border-top: 3px solid var(--gaun-accent);
}

.gaun-footer a { color: var(--gaun-accent-light); text-decoration: none; }
.gaun-footer a:hover { color: var(--gaun-accent); text-decoration: underline; }

/* ===== SMS Doğrulama ===== */
.gaun-verification-card { max-width: 420px; width: 100%; margin: 0 auto; }

.gaun-verification-card .code-input {
    letter-spacing: 0.6rem;
    font-size: 1.75rem;
    text-align: center;
    font-weight: 600;
    border: 2px solid var(--gaun-border);
    border-radius: var(--gaun-radius);
    padding: 0.75rem;
    background: #FAFBFC;
}

.gaun-verification-card .code-input:focus {
    border-color: var(--gaun-secondary);
    box-shadow: 0 0 0 3px rgba(41,128,185,0.15);
}

/* ===== Error ===== */
.gaun-error-code {
    font-size: 8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gaun-primary) 0%, var(--gaun-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

/* ===== Info Box ===== */
.gaun-info-box {
    background: var(--gaun-info-bg);
    border-left: 4px solid var(--gaun-secondary);
    padding: 1rem 1.25rem;
    border-radius: 0 var(--gaun-radius) var(--gaun-radius) 0;
}

.gaun-info-box h6 { color: var(--gaun-primary); font-weight: 600; margin-bottom: 0.3rem; }
.gaun-info-box p { color: var(--gaun-text-secondary); margin: 0; font-size: 0.9rem; }

/* ===== Info Group ===== */
.info-group {
    padding: 1rem;
    background-color: var(--gaun-sidebar-bg);
    border-radius: var(--gaun-radius);
    border: 1px solid var(--gaun-border-light);
    height: 100%;
}

.info-group label { font-size: 0.82rem; margin-bottom: 4px; color: var(--gaun-text-secondary); font-weight: 500; }
.info-group h5 { color: var(--gaun-primary); font-weight: 600; font-size: 1rem; margin: 0; }

/* ===== Badge ===== */
.badge { font-size: 0.82rem; padding: 0.4em 0.8em; font-weight: 600; border-radius: 4px; }

/* ===== Link ===== */
a { color: var(--gaun-secondary); transition: var(--gaun-transition); }
a:hover { color: var(--gaun-secondary-dark); }

/* ===== Modal ===== */
.modal-header {
    background: linear-gradient(135deg, var(--gaun-primary) 0%, var(--gaun-primary-light) 100%);
    color: #fff;
    border: none;
}

.modal-header .btn-close { filter: invert(1) grayscale(100%) brightness(200%); }
.modal-header.bg-warning { background: var(--gaun-warning) !important; color: #2C3E50; }
.modal-header.bg-warning .btn-close { filter: none; }

/* ===== Tablo ===== */
.table thead th {
    background: var(--gaun-sidebar-bg);
    color: var(--gaun-primary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--gaun-border);
}

/* ===== Nav Tabs ===== */
.nav-tabs { border-bottom: 2px solid var(--gaun-border-light); }

.nav-tabs .nav-link {
    color: var(--gaun-text-secondary);
    font-weight: 500;
    border: none;
    padding: 0.75rem 1.25rem;
    transition: var(--gaun-transition);
}

.nav-tabs .nav-link:hover { color: var(--gaun-secondary); border: none; }

.nav-tabs .nav-link.active {
    color: var(--gaun-secondary);
    border: none;
    border-bottom: 3px solid var(--gaun-secondary);
    background: transparent;
    font-weight: 600;
}

/* ===== Status Box ===== */
.application-status-box {
    background-color: var(--gaun-warning-bg);
    border-radius: var(--gaun-radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    border-left: 4px solid var(--gaun-warning);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .gaun-logo { height: 36px; }
    .gaun-logo-badge { font-size: 0.75rem; padding: 3px 8px; }
    .gaun-navbar .navbar-brand { font-size: 0.85rem; }
    .gaun-card-body { padding: 1.25rem; }
    .gaun-error-code { font-size: 5rem; }
}

@media (max-width: 576px) {
    .gaun-logo { height: 30px; }
    .gaun-navbar .navbar-brand small { display: none; }
}

/* ===== Animasyon ===== */
.fade-in {
    animation: fadeIn 0.4s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Bootstrap Overrides (Fragments Uyumu) ===== */
.bg-primary { background-color: var(--gaun-primary) !important; }
.bg-dark { background-color: var(--gaun-primary-dark) !important; }
.btn-primary { background-color: var(--gaun-primary); border-color: var(--gaun-primary); }
.btn-primary:hover { background-color: var(--gaun-primary-dark); border-color: var(--gaun-primary-dark); }
.btn-outline-primary { color: var(--gaun-primary); border-color: var(--gaun-primary); }
.btn-outline-primary:hover { background-color: var(--gaun-primary); border-color: var(--gaun-primary); color: #fff; }
.card { border: 1px solid var(--gaun-border); border-radius: 10px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.card-header.bg-primary { background: linear-gradient(135deg, var(--gaun-primary), var(--gaun-primary-light)) !important; }
.table-dark { background-color: var(--gaun-primary) !important; }
.table-dark th { background-color: var(--gaun-primary) !important; border-color: var(--gaun-primary-dark) !important; }
.modal-header.bg-primary { background: linear-gradient(135deg, var(--gaun-primary), var(--gaun-primary-light)) !important; }
a { color: var(--gaun-secondary); }
a:hover { color: var(--gaun-primary); }
.badge.bg-primary { background-color: var(--gaun-primary) !important; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--gaun-bg); }
::-webkit-scrollbar-thumb { background: var(--gaun-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gaun-text-light); }

/* ===== Loading / Spinner ===== */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.75;
}
.btn-loading .btn-text { visibility: hidden; }
.btn-loading::after {
    content: '';
    position: absolute;
    width: 1.2rem;
    height: 1.2rem;
    top: 50%;
    left: 50%;
    margin-top: -0.6rem;
    margin-left: -0.6rem;
    border: 2px solid rgba(255,255,255,.5);
    border-top-color: #fff;
    border-radius: 50%;
    animation: btn-spin .6s linear infinite;
}
@keyframes btn-spin {
    to { transform: rotate(360deg); }
}