/* =====================================================
   HACETTEPE ÜNİVERSİTESİ - TURKUAZ + TURUNCU TEMA
   Renk Paleti: Turkuaz + Turuncu Aksanlar
   ===================================================== */

:root {
    /* Turkuaz Ana Renk Paleti */
    --primary-turquoise: #00a8a8;
    --primary-dark: #008080;
    --primary-light: #00d4d4;

    /* Turuncu Aksan Renkleri */
    --accent-orange: #FF6B35;
    --accent-orange-light: #FF8C5A;
    --accent-orange-dark: #E85A2A;

    /* Gradyanlar */
    --accent-gradient: linear-gradient(135deg, #00a8a8 0%, #00d4d4 50%, #4dd0e1 100%);
    --orange-gradient: linear-gradient(135deg, #FF6B35 0%, #FF8C5A 100%);
    --mixed-gradient: linear-gradient(90deg, #00a8a8, #FF6B35);

    /* Açık Tema Arka Plan */
    --bg-light: #f0f9ff;
    --bg-lighter: #e8f5f5;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(0, 168, 168, 0.2);

    /* Metin Renkleri */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #888888;
}

/* =====================================================
   KOYU TEMA - Dark Mode
   ===================================================== */
html[data-theme="dark"] {
    /* Koyu Arka Planlar */
    --bg-light: #0f0f1a;
    --bg-lighter: #1a1a2e;
    --bg-card: rgba(30, 30, 50, 0.95);
    --bg-card-hover: rgba(40, 40, 65, 0.98);
    --glass-bg: rgba(20, 20, 35, 0.9);
    --glass-border: rgba(0, 168, 168, 0.3);

    /* Metin Renkleri (Açık) */
    --text-primary: #e8e8e8;
    --text-secondary: #b0b0b0;
    --text-muted: #888888;
}

html[data-theme="dark"] body {
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%) !important;
    color: #e8e8e8;
}

html[data-theme="dark"] body::before {
    background-image:
        radial-gradient(circle at 20% 80%, rgba(0, 168, 168, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 212, 212, 0.06) 0%, transparent 40%);
}

/* Koyu Tema - Kartlar */
[data-theme="dark"] .card,
[data-theme="dark"] .card-active,
[data-theme="dark"] .card-passive,
[data-theme="dark"] .modal-content,
[data-theme="dark"] .modal-footer {
    background: var(--bg-card) !important;
    color: var(--text-primary);
    border-color: rgba(0, 168, 168, 0.2);
}

/* Koyu Tema - Liste Öğeleri */
[data-theme="dark"] .list-group-item {
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border-color: rgba(0, 168, 168, 0.15);
}

[data-theme="dark"] .list-group-item:hover {
    background: linear-gradient(90deg, rgba(0, 168, 168, 0.15), var(--bg-card)) !important;
}

/* Koyu Tema - Formlar */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background: rgba(30, 30, 50, 0.9);
    border-color: rgba(0, 168, 168, 0.3);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background: rgba(40, 40, 65, 0.95);
    border-color: var(--primary-turquoise);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control::placeholder {
    color: var(--text-muted);
}

/* Koyu Tema - Tablolar */
[data-theme="dark"] .table {
    color: var(--text-primary);
}

[data-theme="dark"] .table td,
[data-theme="dark"] .table th {
    border-color: rgba(0, 168, 168, 0.15);
}

[data-theme="dark"] .table td {
    background: var(--bg-card);
}

[data-theme="dark"] .table-striped>tbody>tr:nth-of-type(odd)>td {
    background: rgba(0, 168, 168, 0.08);
}

/* Koyu Tema - Alertlar */
[data-theme="dark"] .alert-light {
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border-color: rgba(0, 168, 168, 0.2) !important;
}

/* Koyu Tema - Dropdown */
[data-theme="dark"] .dropdown-menu {
    background: #1a1a2e;
    border-color: var(--primary-turquoise);
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .dropdown-item:hover {
    background: rgba(0, 168, 168, 0.2);
    color: var(--accent-orange) !important;
}

/* Koyu Tema - Nav Tabs */
[data-theme="dark"] .nav-tabs {
    border-bottom-color: rgba(0, 168, 168, 0.3);
}

[data-theme="dark"] .nav-tabs .nav-link.active {
    background: var(--bg-card);
    border-color: rgba(0, 168, 168, 0.3);
    color: var(--primary-light);
}

/* Koyu Tema - Diğer */
[data-theme="dark"] .text-dark {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .bg-white {
    background: var(--bg-card) !important;
}

[data-theme="dark"] .bg-light {
    background: var(--bg-card) !important;
}

[data-theme="dark"] .border {
    border-color: rgba(0, 168, 168, 0.2) !important;
}

/* Genel Gövde Stilleri */
body {
    background: linear-gradient(135deg, #e8f5f5 0%, #f0f9ff 50%, #e3f2fd 100%);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    color: var(--text-primary);
}

/* Hareketli Arka Plan */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(0, 168, 168, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 212, 212, 0.05) 0%, transparent 40%);
    animation: floatingBg 20s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes floatingBg {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    33% {
        transform: translateY(-20px) rotate(1deg);
    }

    66% {
        transform: translateY(10px) rotate(-1deg);
    }
}

/* Metin Renk Sınıfları */
.text-hacettepe {
    color: var(--primary-turquoise) !important;
}

.text-turquoise {
    color: var(--primary-turquoise) !important;
}

.text-orange {
    color: var(--accent-orange) !important;
}

.text-danger {
    color: var(--accent-orange) !important;
}

.text-dark {
    color: var(--text-primary) !important;
}

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

.text-secondary {
    color: var(--text-secondary) !important;
}

/* Arka Plan Sınıfları */
.bg-white {
    background: var(--bg-card) !important;
}

.bg-light {
    background: var(--bg-card) !important;
}

.bg-danger {
    background: var(--orange-gradient) !important;
}

.bg-turquoise {
    background: var(--accent-gradient) !important;
}

.bg-orange {
    background: var(--orange-gradient) !important;
}

/* Gölge ve Kenarlıklar */
.shadow-sm {
    box-shadow: 0 4px 15px rgba(0, 168, 168, 0.15) !important;
}

.shadow {
    box-shadow: 0 8px 25px rgba(0, 168, 168, 0.2) !important;
}

.border-bottom {
    border-color: rgba(0, 168, 168, 0.2) !important;
}

/* Kart Stilleri */
.card {
    background: var(--bg-card) !important;
    border: 1px solid rgba(0, 168, 168, 0.15);
    color: var(--text-primary);
}

.card-active {
    border: none;
    border-top: 4px solid var(--primary-turquoise);
    border-radius: 12px;
    background: var(--bg-card) !important;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-active:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 168, 168, 0.25);
    border-left: 3px solid var(--accent-orange);
}

.card-active:nth-child(even) {
    border-top-color: var(--accent-orange);
}

.card-passive {
    border-left: 4px solid var(--text-muted);
    background: var(--bg-card) !important;
    opacity: 0.8;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.card-passive:hover {
    opacity: 1;
    background: var(--bg-card-hover) !important;
    transform: translateX(5px);
    border-left-color: var(--accent-orange);
}

/* Butonlar */
.btn-outline-danger {
    color: var(--accent-orange) !important;
    border-color: var(--accent-orange) !important;
    background: transparent;
    transition: all 0.3s ease;
}

.btn-outline-danger:hover {
    background: var(--orange-gradient) !important;
    border-color: var(--accent-orange) !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 107, 53, 0.4);
}

.btn-outline-turquoise {
    color: var(--primary-turquoise) !important;
    border-color: var(--primary-turquoise) !important;
    background: transparent;
    transition: all 0.3s ease;
}

.btn-outline-turquoise:hover {
    background: var(--accent-gradient) !important;
    border-color: var(--primary-turquoise) !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 168, 168, 0.4);
}

.btn-outline-orange {
    color: var(--accent-orange) !important;
    border-color: var(--accent-orange) !important;
    background: transparent;
    transition: all 0.3s ease;
}

.btn-outline-orange:hover {
    background: var(--orange-gradient) !important;
    border-color: var(--accent-orange) !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 107, 53, 0.4);
}

.btn-danger {
    background: var(--orange-gradient) !important;
    border: none;
}

.btn-danger:hover {
    box-shadow: 0 5px 20px rgba(255, 107, 53, 0.5);
    transform: translateY(-2px);
}

/* Badge'ler */
.badge.bg-warning {
    background: var(--orange-gradient) !important;
    color: white !important;
}

.badge.bg-secondary {
    background: var(--accent-gradient) !important;
}

.badge.bg-danger {
    background: var(--orange-gradient) !important;
}

/* Liste Öğeleri */
.list-group-item {
    border-left: 4px solid transparent;
    transition: all 0.3s ease;
    background: var(--bg-card) !important;
    border-radius: 8px;
    margin-bottom: 8px;
    color: var(--text-primary) !important;
    border-color: rgba(0, 168, 168, 0.1);
}

.list-group-item:hover {
    border-left: 4px solid var(--primary-turquoise);
    background: linear-gradient(90deg, rgba(0, 168, 168, 0.1), var(--bg-card)) !important;
    transform: translateX(5px);
}

.list-group-item:nth-child(odd):hover {
    border-left-color: var(--accent-orange);
    background: linear-gradient(90deg, rgba(255, 107, 53, 0.1), var(--bg-card)) !important;
}

/* Alert'ler */
.alert-light {
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border-color: rgba(0, 168, 168, 0.2) !important;
}

.alert-info {
    background: rgba(0, 168, 168, 0.15) !important;
    color: var(--text-primary) !important;
    border-color: var(--hacettepe-purple) !important;
}

/* Modal */
.modal-content {
    background: var(--bg-card) !important;
    border: 1px solid rgba(0, 168, 168, 0.2);
    color: var(--text-primary);
}

.modal-header {
    border-bottom-color: rgba(0, 168, 168, 0.2) !important;
    background: var(--accent-gradient);
}

.modal-footer {
    background: rgba(255, 255, 255, 0.95);
    border-top-color: rgba(0, 168, 168, 0.2) !important;
}

/* Tablolar */
.table {
    color: var(--text-primary);
}

.table th {
    background: var(--accent-gradient);
    color: white;
    border-color: rgba(0, 168, 168, 0.2);
}

.table td {
    background: var(--bg-card);
    border-color: rgba(0, 168, 168, 0.1);
}

.table-striped>tbody>tr:nth-of-type(odd)>td {
    background: rgba(0, 168, 168, 0.05);
}

/* Form Elemanları */
.form-control {
    background: var(--bg-card);
    border-color: rgba(0, 168, 168, 0.2);
    color: var(--text-primary);
}

.form-control:focus {
    background: var(--bg-card-hover);
    border-color: var(--primary-turquoise);
    box-shadow: 0 0 0 3px rgba(0, 168, 168, 0.15);
    color: var(--text-primary);
}

.form-label {
    color: var(--text-primary);
}

/* Nav Tabs */
.nav-tabs {
    border-bottom-color: rgba(0, 168, 168, 0.2);
}

.nav-tabs .nav-link {
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover {
    border-color: transparent;
    color: var(--accent-orange);
}

.nav-tabs .nav-link.active {
    background: var(--bg-card);
    border-color: rgba(0, 168, 168, 0.2);
    border-bottom-color: var(--bg-card);
    color: var(--primary-turquoise);
}

/* Timeline (CV için) */
.timeline-item {
    position: relative;
    padding-left: 25px;
    border-left: 3px solid rgba(0, 168, 168, 0.3);
    margin-bottom: 18px;
    transition: all 0.3s ease;
}

.timeline-item:hover {
    border-left-color: var(--primary-crimson);
    transform: translateX(5px);
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -9px;
    top: 5px;
    width: 15px;
    height: 15px;
    background: var(--crimson-gradient);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(139, 0, 0, 0.4);
}

.timeline-item:nth-child(even)::before {
    background: var(--purple-gradient);
    box-shadow: 0 0 10px rgba(107, 63, 160, 0.4);
}

.timeline-item:nth-child(3n)::before {
    background: var(--gold-gradient);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.4);
}

/* CV Header */
.cv-header {
    background: var(--bg-card);
    padding: 40px;
    border-top: 5px solid transparent;
    border-image: var(--accent-gradient) 1;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border-radius: 16px;
}

/* Section Title */
.section-title {
    color: var(--primary-crimson);
    border-bottom: 3px solid;
    border-image: var(--accent-gradient) 1;
    padding-bottom: 12px;
    margin-bottom: 20px;
    font-weight: bold;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 1.1rem;
}

/* Profil Resmi */
.profile-img-cv {
    width: 100%;
    max-width: 250px;
    border: 5px solid var(--bg-card-hover);
    box-shadow: 0 10px 30px rgba(139, 0, 0, 0.3);
    border-radius: 16px;
    transition: transform 0.4s ease;
}

.profile-img-cv:hover {
    transform: scale(1.03) rotate(1deg);
}

/* Parıltı Efekti */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

.shimmer {
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
    background-size: 200% 100%;
    animation: shimmer 3s infinite;
}

/* Sayfa Başlığı */
.page-header {
    background: var(--bg-card);
    border-bottom: 3px solid;
    border-image: var(--accent-gradient) 1;
    padding: 30px 0;
    margin-bottom: 30px;
}

.page-header h2 {
    background: linear-gradient(135deg, var(--primary-crimson), var(--hacettepe-purple), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Yazdırma Ayarları */
@media print {
    body {
        background: white !important;
        color: black !important;
    }

    .no-print,
    .btn,
    footer,
    nav {
        display: none !important;
    }

    .card,
    .cv-header,
    .timeline-item {
        background: white !important;
        color: black !important;
    }

    .text-primary,
    .text-danger,
    .section-title {
        color: #8B0000 !important;
        -webkit-text-fill-color: #8B0000 !important;
    }
}