/* AI 모델 가격 비교 - 세련된 디자인 (Day/Night 테마) */

/* ======================= CSS 변수 (테마) ======================= */
:root {
    /* 공통 */
    --font-family: 'Calibri', 'Carlito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --transition-speed: 0.3s;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
}

/* Day 테마 (기본) */
[data-theme="day"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --border-color: #e2e8f0;
    --navbar-bg: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --navbar-text: #ffffff;
    --card-bg: #ffffff;
    --table-header-bg: #f8fafc;
    --table-row-hover: #f1f5f9;
    --table-stripe: #fafbfc;
    --footer-bg: #f1f5f9;
    --btn-outline-border: #cbd5e1;
    --price-free: #10b981;
    --badge-yes: #10b981;
    --badge-no: #94a3b8;
}

/* Night 테마 */
[data-theme="night"] {
    --bg-primary: #0a0f1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #60a5fa;
    --accent-secondary: #a78bfa;
    --accent-success: #34d399;
    --accent-warning: #fbbf24;
    --accent-danger: #f87171;
    --border-color: #1f2937;
    --navbar-bg: linear-gradient(135deg, #1e3a5f 0%, #312e81 100%);
    --navbar-text: #f1f5f9;
    --card-bg: #111827;
    --table-header-bg: #0d1117;
    --table-row-hover: #1f2937;
    --table-stripe: #0f1521;
    --footer-bg: #111827;
    --btn-outline-border: #374151;
    --price-free: #34d399;
    --badge-yes: #34d399;
    --badge-no: #64748b;
}

/* ======================= 전역 스타일 ======================= */
* {
    box-sizing: border-box;
}

/* 텍스트 선택 방지 */
body {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* 입력 필드에서는 선택 허용 */
input, textarea, select {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

body {
    font-family: var(--font-family);
    font-size: 15px;
    line-height: 1.6;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.main-content {
    flex: 1;
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 1rem;
}

.navbar > .container-fluid {
    max-width: 1024px;
    margin: 0 auto;
}

.footer > .container {
    max-width: 1024px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
}

[data-theme="night"] h1,
[data-theme="night"] h2,
[data-theme="night"] h3,
[data-theme="night"] h4,
[data-theme="night"] h5,
[data-theme="night"] h6 {
    color: #f1f5f9 !important;
}

[data-theme="night"] p,
[data-theme="night"] span,
[data-theme="night"] label {
    color: #e2e8f0;
}

[data-theme="night"] .text-muted {
    color: #94a3b8 !important;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--accent-secondary);
}

/* ======================= 네비게이션 ======================= */
.navbar {
    background: var(--navbar-bg);
    padding: 0.75rem 1.5rem;
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--navbar-text) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i {
    font-size: 1.5rem;
}

.navbar .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-speed);
}

.navbar .nav-link:hover {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.1);
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ======================= 테마 토글 버튼 ======================= */
.theme-toggle-wrapper {
    margin-left: 1rem;
}

.theme-toggle-btn {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: var(--navbar-text);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-speed);
    position: relative;
}

.theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

.theme-toggle-btn i {
    font-size: 1.2rem;
    position: absolute;
    transition: opacity var(--transition-speed), transform var(--transition-speed);
}

/* Day 테마일 때: 해 숨기고 달 보이기 */
[data-theme="day"] #theme-icon-sun {
    opacity: 0;
    transform: rotate(180deg) scale(0);
}
[data-theme="day"] #theme-icon-moon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* Night 테마일 때: 달 숨기고 해 보이기 */
[data-theme="night"] #theme-icon-sun {
    opacity: 1;
    transform: rotate(0) scale(1);
}
[data-theme="night"] #theme-icon-moon {
    opacity: 0;
    transform: rotate(-180deg) scale(0);
}

/* ======================= 카드 ======================= */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-speed);
    overflow: hidden;
}

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

.card-header {
    background: var(--navbar-bg);
    color: var(--navbar-text);
    border-bottom: none;
    padding: 1rem 1.25rem;
}

.card-header h5 {
    color: var(--navbar-text);
    margin: 0;
    font-size: 1.1rem;
}

.card-body {
    padding: 1.25rem;
    background: var(--card-bg);
}

/* ======================= 버튼 ======================= */
.btn {
    font-family: var(--font-family);
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    padding: 0.5rem 1rem;
    transition: all var(--transition-speed);
}

.btn-primary {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.btn-primary:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--accent-primary);
    border-color: var(--btn-outline-border);
    background: var(--bg-secondary);
}

.btn-outline-primary:hover,
.btn-outline-primary.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #ffffff;
}

.btn-outline-success {
    color: var(--accent-success);
    border-color: var(--btn-outline-border);
    background: var(--bg-secondary);
}

.btn-outline-success:hover,
.btn-outline-success.active {
    background: var(--accent-success);
    border-color: var(--accent-success);
    color: #ffffff;
}

.btn-outline-info {
    color: var(--accent-primary);
    border-color: var(--btn-outline-border);
    background: var(--bg-secondary);
}

.btn-outline-info:hover,
.btn-outline-info.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #ffffff;
}

.btn-outline-warning {
    color: var(--accent-warning);
    border-color: var(--btn-outline-border);
    background: var(--bg-secondary);
}

.btn-outline-warning:hover,
.btn-outline-warning.active {
    background: var(--accent-warning);
    border-color: var(--accent-warning);
    color: #ffffff;
}

.btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--btn-outline-border);
    background: var(--bg-secondary);
}

.btn-outline-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-outline-danger {
    color: var(--accent-danger);
    border-color: var(--btn-outline-border);
    background: var(--bg-secondary);
}

.btn-outline-danger:hover {
    background: var(--accent-danger);
    border-color: var(--accent-danger);
    color: #ffffff;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

/* ======================= 테이블 ======================= */
.table {
    color: var(--text-primary);
    background: var(--bg-secondary);
    --bs-table-bg: var(--bg-secondary);
    --bs-table-striped-bg: var(--table-stripe);
    --bs-table-hover-bg: var(--table-row-hover);
}

[data-theme="night"] .table {
    --bs-table-color: #f1f5f9;
    --bs-table-bg: #111827;
    --bs-table-striped-bg: #0f1521;
    --bs-table-striped-color: #f1f5f9;
    --bs-table-hover-bg: #1f2937;
    --bs-table-hover-color: #f1f5f9;
    --bs-table-border-color: #1f2937;
    color: #f1f5f9 !important;
}

[data-theme="night"] .table td,
[data-theme="night"] .table th,
[data-theme="night"] .table tbody tr td {
    color: #f1f5f9 !important;
}

[data-theme="night"] .table tbody td strong {
    color: #f1f5f9 !important;
}

[data-theme="night"] .table tbody td small,
[data-theme="night"] .table tbody td .text-muted {
    color: #94a3b8 !important;
}

[data-theme="night"] .table .price {
    color: #e2e8f0 !important;
}

[data-theme="night"] .dataTables_wrapper {
    color: #f1f5f9;
}

[data-theme="night"] .dataTables_wrapper .dataTables_length,
[data-theme="night"] .dataTables_wrapper .dataTables_filter,
[data-theme="night"] .dataTables_wrapper .dataTables_info {
    color: #94a3b8 !important;
}

[data-theme="night"] .dataTables_wrapper .dataTables_length select,
[data-theme="night"] .dataTables_wrapper .dataTables_filter input {
    background: #1f2937 !important;
    color: #f1f5f9 !important;
    border-color: #374151 !important;
}

.table thead th {
    background: var(--table-header-bg);
    border-bottom: 2px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
    padding: 0.875rem 0.75rem;
    white-space: nowrap;
}

.table tbody td {
    padding: 0.75rem;
    border-color: var(--border-color);
    vertical-align: middle;
}

/* Model name column - no wrap */
.table tbody td:nth-child(3) {
    white-space: nowrap;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--table-stripe);
}

.table-hover tbody tr:hover {
    background-color: var(--table-row-hover);
}

.table .price {
    font-family: 'Consolas', 'Monaco', monospace;
    font-weight: 600;
    font-size: 0.9rem;
}

.text-success {
    color: var(--price-free) !important;
    font-weight: 600;
}

/* ======================= DataTables 커스텀 ======================= */
.dataTables_wrapper {
    color: var(--text-primary);
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
    color: var(--text-secondary);
    padding: 0.75rem 0;
}

.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--border-radius-sm);
    padding: 0.4rem 0.75rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    color: var(--text-primary) !important;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    margin: 0 2px;
    padding: 0.4rem 0.75rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--accent-primary) !important;
    color: #ffffff !important;
    border-color: var(--accent-primary);
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--accent-primary) !important;
    color: #ffffff !important;
    border-color: var(--accent-primary);
}

.dataTables_wrapper .dataTables_paginate .paginate_button.disabled {
    color: var(--text-muted) !important;
    background: var(--bg-tertiary);
}

[data-theme="night"] .dataTables_wrapper .dataTables_paginate .paginate_button {
    color: #f1f5f9 !important;
    background: #1f2937 !important;
    border-color: #374151 !important;
}

[data-theme="night"] .dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: #3b82f6 !important;
    color: #ffffff !important;
}

[data-theme="night"] .dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: #3b82f6 !important;
    color: #ffffff !important;
}

[data-theme="night"] .dataTables_wrapper .dataTables_paginate .paginate_button.disabled {
    color: #64748b !important;
    background: #0f172a !important;
}

/* ======================= 배지 ======================= */
.badge {
    font-weight: 500;
    padding: 0.35em 0.75em;
    border-radius: 20px;
    font-size: 0.8rem;
}

.badge.bg-success {
    background-color: var(--badge-yes) !important;
}

.badge.bg-secondary {
    background-color: var(--badge-no) !important;
}

/* ======================= 비교 테이블 ======================= */
.comparison-table {
    font-size: 0.95rem;
}

.comparison-table .comparison-label {
    background: var(--table-header-bg);
    font-weight: 600;
    min-width: 180px;
    color: var(--text-primary);
}

.comparison-table .model-header {
    background: var(--bg-tertiary);
    min-width: 160px;
}

.comparison-table .best-value {
    background-color: rgba(16, 185, 129, 0.15) !important;
    color: var(--accent-success);
    font-weight: 600;
}

.comparison-table .worst-value {
    background-color: rgba(239, 68, 68, 0.1) !important;
    color: var(--accent-danger);
}

/* ======================= 체크박스 ======================= */
.model-checkbox,
#select-all {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

/* ======================= 알림 메시지 ======================= */
.alert {
    border-radius: var(--border-radius);
    border: none;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-primary);
}

/* ======================= 푸터 ======================= */
.footer {
    background: var(--footer-bg);
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    transition: all var(--transition-speed);
}

/* ======================= 로딩 스피너 ======================= */
#loading-spinner {
    padding: 60px 0;
}

.spinner-border {
    color: var(--accent-primary);
}

/* ======================= 선택 카운터 ======================= */
#selected-count {
    font-weight: 700;
    color: var(--accent-primary);
}

/* ======================= 반응형 ======================= */
@media (max-width: 768px) {
    .btn-group {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .btn-group .btn {
        flex: 1 1 auto;
        border-radius: var(--border-radius-sm) !important;
    }
    
    .table {
        font-size: 0.85rem;
    }
    
    .comparison-table .comparison-label {
        min-width: 140px;
    }
    
    .theme-toggle-wrapper {
        margin-left: 0;
        margin-top: 0.5rem;
    }
}

/* ======================= 차트 컨테이너 ======================= */
#chart-container canvas {
    max-height: 400px;
}

/* ======================= 스크롤바 ======================= */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

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

.card,
.table-responsive {
    animation: fadeIn 0.4s ease-out;
}

/* ======================= 모델명 표시 ======================= */
.table tbody td strong {
    color: var(--text-primary);
}

.table tbody td small.text-muted {
    color: var(--text-muted);
}

/* ======================= Disclaimer ======================= */
.disclaimer {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.25rem 1.5rem;
    margin-top: 1rem;
}

.disclaimer-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--accent-warning);
    margin-bottom: 0.75rem;
}

.disclaimer-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.disclaimer-text:last-child {
    margin-bottom: 0;
}

.disclaimer-text.small {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
    margin-top: 0.75rem;
}

[data-theme="night"] .disclaimer {
    background: #0d1117;
    border-color: #1f2937;
}

[data-theme="night"] .disclaimer-title {
    color: #fbbf24;
}

[data-theme="night"] .disclaimer-text {
    color: #94a3b8;
}

[data-theme="night"] .disclaimer-text.small {
    color: #64748b;
    border-color: #1f2937;
}