/* ==========================================================================
   Crypto Trade Analyzer - Modern Fintech Theme (Upbit & Bithumb)
   ========================================================================== */

:root {
    --bg-primary: #0b0e14;
    --bg-secondary: #121824;
    --bg-card: #182030;
    --bg-card-hover: #1f2a3e;
    --border-color: #232f48;
    --border-light: rgba(255, 255, 255, 0.08);

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --brand-primary: #06b6d4;
    --brand-hover: #0891b2;
    --brand-glow: rgba(6, 182, 212, 0.2);

    --color-upbit: #0062df;
    --color-bithumb: #f37321;

    --color-profit-kr: #f43f5e;
    --color-loss-kr: #3b82f6;
    --color-profit-global: #10b981;
    --color-loss-global: #ef4444;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

.color-profit-kr { color: var(--color-profit-kr) !important; }
.color-loss-kr { color: var(--color-loss-kr) !important; }
.color-profit-global { color: var(--color-profit-global) !important; }
.color-loss-global { color: var(--color-loss-global) !important; }

.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }
.whitespace-nowrap { white-space: nowrap !important; }
.cursor-pointer { cursor: pointer; }

/* Sub Navigation */
.analyzer-subnav {
    display: flex;
    gap: 6px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
    scrollbar-width: thin;
}

.analyzer-subtab {
    padding: 9px 15px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.analyzer-subtab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.analyzer-subtab.active {
    color: #06b6d4 !important;
    border-bottom-color: #06b6d4 !important;
    background: rgba(6, 182, 212, 0.08);
    font-weight: 700;
}

.analyzer-tab-pane {
    display: none;
}

.analyzer-tab-pane.active {
    display: block !important;
    animation: fadeIn 0.2s ease-in-out;
}

/* Upload Dropzone Card */
.upload-card {
    background: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-bottom: 24px;
}

.upload-card:hover, .upload-card.dragover {
    border-color: #06b6d4;
    background: rgba(6, 182, 212, 0.05);
    transform: translateY(-1px);
}

.upload-icon {
    font-size: 2.2rem;
    margin-bottom: 8px;
}

.upload-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    white-space: nowrap;
}

.upload-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 16px auto;
    line-height: 1.5;
}

.upload-sample-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.upload-sample-link {
    font-size: 0.78rem;
    color: #06b6d4;
    cursor: pointer;
    text-decoration: underline;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.upload-sample-link:hover {
    color: #38bdf8;
}

/* Stats Cards Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 18px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.stat-card:hover {
    border-color: rgba(6, 182, 212, 0.4);
    transform: translateY(-2px);
}

.stat-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.stat-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stat-badge {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.08);
    white-space: nowrap;
}

.stat-value {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stat-footer {
    font-size: 0.76rem;
    color: var(--text-muted);
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

@media (max-width: 900px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 18px;
    box-shadow: var(--shadow-sm);
}

.chart-card.full-width {
    grid-column: 1 / -1;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

.chart-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

.chart-wrapper {
    position: relative;
    height: 270px;
    width: 100%;
}

/* Tables */
.table-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: 24px;
}

.table-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    gap: 10px;
    flex-wrap: wrap;
}

.table-responsive {
    overflow-x: auto;
    width: 100%;
    scrollbar-width: thin;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

table th, table td {
    padding: 10px 14px;
    white-space: nowrap !important;
}

table th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    user-select: none;
    transition: color var(--transition-fast);
}

table th:hover {
    color: var(--text-primary);
}

table td {
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
}

table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 7px;
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    font-weight: 700;
    white-space: nowrap;
}

.badge-upbit { background: rgba(0, 98, 223, 0.15); color: #3b82f6; border: 1px solid rgba(0, 98, 223, 0.3); }
.badge-bithumb { background: rgba(243, 115, 33, 0.15); color: #f97316; border: 1px solid rgba(243, 115, 33, 0.3); }
.badge-buy { background: rgba(244, 63, 94, 0.15); color: #f43f5e; border: 1px solid rgba(244, 63, 94, 0.3); }
.badge-sell { background: rgba(59, 130, 246, 0.15); color: #3b82f6; border: 1px solid rgba(59, 130, 246, 0.3); }
.badge-deposit-krw { background: rgba(16, 185, 129, 0.15); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-withdraw-krw { background: rgba(168, 85, 247, 0.15); color: #a855f7; border: 1px solid rgba(168, 85, 247, 0.3); }
.badge-deposit-coin { background: rgba(6, 182, 212, 0.15); color: #06b6d4; border: 1px solid rgba(6, 182, 212, 0.3); }
.badge-withdraw-coin { background: rgba(245, 158, 11, 0.15); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.3); }

.coin-info-cell {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.coin-symbol-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 3px 7px;
    background: rgba(6, 182, 212, 0.12);
    border: 1px solid rgba(6, 182, 212, 0.25);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.75rem;
    color: #06b6d4;
    white-space: nowrap;
}

.coin-symbol-badge-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.72rem;
    color: var(--text-primary);
    white-space: nowrap;
}

.coin-korean-name {
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.coin-market-code {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* Controls & Form Inputs */
.select-control, .input-control {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 6px 10px;
    font-size: 0.82rem;
    outline: none;
    transition: border-color var(--transition-fast);
    color-scheme: dark;
}

.select-control:focus, .input-control:focus {
    border-color: #06b6d4;
}

input[type="date"] {
    background-color: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-sm) !important;
    padding: 5px 8px !important;
    font-size: 0.8rem !important;
    color-scheme: dark !important;
}

.flex-center-gap {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

/* TradingView Canvas Container */
.tv-canvas-container {
    background: #090d14;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
}

#tradePointsChartCanvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: crosshair;
}

/* Column Dropdown */
.col-dropdown {
    position: relative;
    display: inline-block;
}

.col-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px 12px;
    min-width: 190px;
    z-index: 100;
    display: none;
    flex-direction: column;
    gap: 5px;
}

.col-dropdown-menu.show {
    display: flex;
}

.col-dropdown-header {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 4px;
}

.col-toggle-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 2px 0;
    white-space: nowrap;
}

/* Global Loader Overlay */
.global-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 14, 20, 0.75);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.spinner {
    width: 38px;
    height: 38px;
    border: 3px solid rgba(6, 182, 212, 0.2);
    border-top-color: #06b6d4;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(3px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Toast Container */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    font-size: 0.85rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    pointer-events: auto;
    animation: fadeIn 0.2s ease-out;
}

.toast-success { border-left: 4px solid #10b981; }
.toast-error { border-left: 4px solid #ef4444; }
.toast-info { border-left: 4px solid #06b6d4; }

.toast-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    line-height: 1;
}

.toast-close:hover {
    color: var(--text-primary);
}


/* Settings Tab High-End Fintech UI */
.settings-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.settings-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 22px 26px;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-fast);
}

.settings-card:hover {
    border-color: rgba(6, 182, 212, 0.4);
}

.settings-card-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
}

.settings-card-icon {
    font-size: 1.6rem;
    line-height: 1;
    padding: 10px;
    border-radius: var(--radius-md);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.25);
}

.settings-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.settings-card-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Calculation Method Selector Grid */
.calc-method-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

@media (max-width: 640px) {
    .calc-method-grid {
        grid-template-columns: 1fr;
    }
}

.calc-method-option {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 18px;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.calc-method-option:hover {
    border-color: rgba(6, 182, 212, 0.5);
    background: rgba(6, 182, 212, 0.04);
}

.calc-method-option.active {
    border-color: #06b6d4 !important;
    background: rgba(6, 182, 212, 0.1) !important;
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

.calc-method-badge {
    position: absolute;
    top: 12px;
    right: 14px;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    background: rgba(6, 182, 212, 0.2);
    color: #06b6d4;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.calc-method-radio {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.calc-method-text {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.45;
}

/* Action Buttons Grid */
.action-buttons-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.settings-action-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.settings-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.settings-action-btn.btn-excel {
    border-color: rgba(16, 185, 129, 0.3);
}
.settings-action-btn.btn-excel:hover {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.08);
}

.settings-action-btn.btn-csv {
    border-color: rgba(6, 182, 212, 0.3);
}
.settings-action-btn.btn-csv:hover {
    border-color: #06b6d4;
    background: rgba(6, 182, 212, 0.08);
}

.settings-action-btn.btn-print {
    border-color: rgba(148, 163, 184, 0.3);
}
.settings-action-btn.btn-print:hover {
    border-color: #f1f5f9;
    background: rgba(255, 255, 255, 0.05);
}

.btn-icon {
    font-size: 1.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.btn-text-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.btn-main-text {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
}

.btn-sub-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Danger Button */
.settings-danger-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #f87171;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
    width: 100%;
}

.settings-danger-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: #ef4444;
    color: #ffffff;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.3);
}


html.theme-light,
html.theme-light :root {
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --border-color: #cbd5e1;
    --border-light: #e2e8f0;

    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #475569;

    --brand-primary: #0284c7;
    --brand-hover: #0369a1;
    --brand-glow: rgba(2, 132, 199, 0.15);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

html.theme-light .stat-card {
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04) !important;
}

html.theme-light .stat-title {
    color: #334155 !important;
    font-weight: 700 !important;
}

html.theme-light .stat-value {
    color: #0f172a !important;
    font-weight: 800 !important;
}

html.theme-light .stat-footer {
    color: #475569 !important;
}

html.theme-light .stat-footer strong {
    color: #0f172a !important;
}

html.theme-light .analyzer-subnav {
    background: #f1f5f9 !important;
    border: 1px solid #cbd5e1 !important;
}

html.theme-light .analyzer-subtab {
    color: #334155 !important;
    font-weight: 600 !important;
}

html.theme-light .analyzer-subtab:hover {
    color: #0f172a !important;
    background: #ffffff !important;
}

html.theme-light .analyzer-subtab.active {
    background: #ffffff !important;
    color: #0284c7 !important;
    border-color: #0284c7 !important;
    font-weight: 800 !important;
    box-shadow: 0 2px 6px rgba(2, 132, 199, 0.15) !important;
}

html.theme-light .chart-card {
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04) !important;
}

html.theme-light .chart-title {
    color: #0f172a !important;
    font-weight: 700 !important;
}

html.theme-light .data-table-container {
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
}

html.theme-light .table-toolbar {
    background: #f8fafc !important;
    border-bottom: 1px solid #cbd5e1 !important;
}

html.theme-light .filter-input,
html.theme-light .select-control {
    background: #ffffff !important;
    border: 1px solid #94a3b8 !important;
    color: #0f172a !important;
}

html.theme-light .table th {
    background: #f1f5f9 !important;
    color: #0f172a !important;
    font-weight: 700 !important;
    border-bottom: 2px solid #cbd5e1 !important;
}

html.theme-light .table td {
    color: #0f172a !important;
    border-bottom: 1px solid #e2e8f0 !important;
}

html.theme-light .table tr:hover td {
    background: #f8fafc !important;
}

html.theme-light .btn-outline {
    background: #ffffff !important;
    border: 1px solid #94a3b8 !important;
    color: #0f172a !important;
}

html.theme-light .btn-outline:hover {
    background: #f1f5f9 !important;
    border-color: #0284c7 !important;
    color: #0284c7 !important;
}

html.theme-light .btn-primary {
    background: #0284c7 !important;
    color: #ffffff !important;
}

html.theme-light .btn-primary:hover {
    background: #0369a1 !important;
}

html.theme-light .pagination-container {
    background: #f8fafc !important;
    border-top: 1px solid #cbd5e1 !important;
    color: #334155 !important;
}

html.theme-light .page-btn {
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    color: #0f172a !important;
}

html.theme-light .page-btn.active {
    background: #0284c7 !important;
    color: #ffffff !important;
}

html.theme-light .modal-content {
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    color: #0f172a !important;
}

html.theme-light .summary-box,
html.theme-light .setting-card {
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    color: #0f172a !important;
}

html.theme-light .setting-row {
    border-bottom: 1px solid #e2e8f0 !important;
}

html.theme-light .setting-label {
    color: #0f172a !important;
    font-weight: 700 !important;
}

html.theme-light .setting-desc {
    color: #475569 !important;
}