:root {
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-gold: #d2a517;
    --accent-green: #238636;
    --accent-red: #da3633;
    --border-color: #30363d;
    --font-family: 'Outfit', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 500px;
    padding: 2rem;
    text-align: center;
}

/* Header & Logo */
header {
    margin-bottom: 3rem;
}

.logo {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
    border-radius: 50%;
    /* Just in case */
    box-shadow: 0 0 20px rgba(210, 165, 23, 0.2);
}

h1 {
    font-weight: 700;
    font-size: 2rem;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff 0%, #aaa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.85rem;
}

/* Search Box */
.search-box {
    background: var(--card-bg);
    padding: 0.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.search-box:focus-within {
    border-color: var(--accent-gold);
    box-shadow: 0 0 15px rgba(210, 165, 23, 0.15);
}

input {
    background: transparent;
    border: none;
    padding: 1rem;
    color: var(--text-primary);
    font-size: 1.1rem;
    width: 100%;
    font-family: var(--font-family);
    outline: none;
}

button {
    background: var(--accent-gold);
    color: #000;
    border: none;
    padding: 0 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-family);
    transition: transform 0.1s ease, filter 0.2s ease;
}

button:hover {
    filter: brightness(1.1);
}

button:active {
    transform: scale(0.98);
}

/* Results */
.result-container {
    margin-top: 2rem;
    min-height: 150px;
    /* Prevent layout shift */
}

.hidden {
    display: none !important;
}

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    padding: 2rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--accent-gold);
    animation: spin 1s ease-in-out infinite;
}

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

.result-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    animation: fadeIn 0.5s ease-out;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.score-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.score-card .label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.score-card .value {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    /* Default, JS can change based on value */
    line-height: 1;
}

.details {
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.error-content {
    color: var(--accent-red);
    background: rgba(218, 54, 51, 0.1);
    border: 1px solid rgba(218, 54, 51, 0.3);
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
}

footer {
    margin-top: 4rem;
    color: var(--text-secondary);
    font-size: 0.75rem;
    opacity: 0.5;
}

/* DataTables Dark Theme Overrides */
.dataTables_wrapper {
    margin-top: 2rem;
    color: var(--text-secondary);
}

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

table.dataTable tbody tr {
    background-color: var(--card-bg) !important;
}

table.dataTable tbody tr:hover {
    background-color: var(--border-color) !important;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_processing,
.dataTables_wrapper .dataTables_paginate {
    color: var(--text-secondary) !important;
}

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

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--accent-gold) !important;
    border-color: var(--accent-gold) !important;
    color: #000 !important;
}

/* Tabs */
.tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn.active {
    background: var(--accent-gold);
    color: #000;
    border-color: var(--accent-gold);
}

/* Bulk UI */
.bulk-controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    margin-bottom: 2rem;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.custom-file-upload {
    border: 1px solid var(--border-color);
    display: inline-block;
    padding: 6px 12px;
    cursor: pointer;
    border-radius: 4px;
    transition: border-color 0.3s;
}

.custom-file-upload:hover {
    border-color: var(--accent-gold);
    color: var(--text-primary);
}

input[type="file"] {
    display: none;
}

.progress-bar-container {
    width: 100%;
    background-color: var(--border-color);
    border-radius: 10px;
    margin: 1rem 0;
    height: 10px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--accent-gold);
    width: 0%;
    transition: width 0.5s ease;
}

.status-completed { color: var(--accent-green); }
.status-pending { color: var(--text-secondary); }
.status-error { color: var(--accent-red); }

/* FinChart Styles */
.filter-widget {
    background: var(--surface-card);
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    border: 1px solid var(--border-color);
}
.filter-widget h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    color: var(--accent-gold);
}
.checkbox-group {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    cursor: pointer;
}
.checkbox-item input {
    width: 1rem;
    height: 1rem;
    accent-color: var(--accent-gold);
}