/* Base Styles & Variables */
:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --success-color: #10b981;
    --success-hover: #059669;
    --danger-color: #ef4444;
    --bg-color: #f3f4f6;
    --card-bg: #ffffff;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    --success-row: rgba(16, 185, 129, 0.05);
    --danger-row: rgba(239, 68, 68, 0.05);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    padding: 2rem 1rem;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Config Section */
.config-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-weight: 500;
    font-size: 0.9rem;
}

.input-group input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

/* Upload Section */
.upload-section {
    text-align: center;
    border: 2px dashed var(--border-color);
    background-color: #f9fafb;
    cursor: pointer;
}

.upload-section.dragover {
    border-color: var(--primary-color);
    background-color: #eff6ff;
}

.upload-icon {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.upload-section h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.upload-section p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.39);
}

.btn-success:hover:not(:disabled) {
    background-color: var(--success-hover);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.23);
}

/* Dashboard */
.hidden {
    display: none !important;
}

.controls-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Progress Indicator */
.progress-indicator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    text-align: center;
}

.stat-card h3 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-main);
}

.success-card .stat-value {
    color: var(--success-color);
}

.failed-card .stat-value {
    color: var(--danger-color);
}

/* Table */
.table-container {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th,
td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #f9fafb;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

tr:last-child td {
    border-bottom: none;
}

td {
    font-size: 0.95rem;
}

/* Row colors based on result */
tr.result-success {
    background-color: var(--success-row);
}

tr.result-success td:first-child {
    border-left: 4px solid var(--success-color);
}

tr.result-failed {
    background-color: var(--danger-row);
}

tr.result-failed td:first-child {
    border-left: 4px solid var(--danger-color);
}

/* Links */
a.official-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

a.official-link:hover {
    text-decoration: underline;
}

.not-found {
    color: var(--text-muted);
    font-style: italic;
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--danger-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 1000;
    animation: slideUp 0.3s ease;
}

.toast .close-toast {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }

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

/* Results Grid & Cards */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
    margin-bottom: 30px;
}

.result-card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.result-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.result-card.success-card {
    border-top: 4px solid var(--success-color);
}

.result-card.failed-card {
    border-top: 4px solid var(--danger-color);
}

.result-card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    background-color: #f9fafb;
}

.event-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.4;
    margin: 0;
}

.result-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.confidence-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.confidence-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
}

.confidence-bar {
    height: 8px;
    background-color: #e5e7eb;
    border-radius: 999px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    border-radius: 999px;
    transition: width 1s ease-in-out;
}

.reason-section h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.reason-section p {
    font-size: 0.9rem;
    color: var(--text-main);
    line-height: 1.6;
}

.result-card-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .controls-row {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }
}