:root {
    --bg-color: #0f1115;
    --card-bg: #181b21;
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --border-color: #2d3748;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --font-family: 'Inter', sans-serif;
}

body {
    margin: 0;
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 1rem;
}

header h1 {
    font-size: 2.5rem;
    margin: 0;
    font-weight: 700;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    display: block;
    width: 100%;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

main {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.content-wrapper {
    flex: 1;
    min-width: 0;
}

/* Global Summary */
.global-summary {
    background-color: var(--secondary-bg);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
}

.global-summary h2 {
    margin-top: 0;
    margin-bottom: 16px;
    font-size: 1.2rem;
    color: var(--text-muted);
}

/* Tabs */
.tabs-wrapper {
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.tabs-header {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 8px;
}

.tab-button {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.tab-button:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
}

.tab-button.active {
    background: linear-gradient(to right, #2563eb, #7c3aed);
    /* Blue to Purple gradient */
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.delete-tab {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    padding: 0;
    margin-left: 4px;
}

.delete-tab:hover {
    color: white;
}

/* File Dashboard Controls */
.file-dashboard {
    animation: fadeIn 0.3s ease;
}

.controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 16px;
}

.date-filters {
    display: flex;
    gap: 16px;
}

.date-filters label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
}

.date-filters input,
.filter-input,
.filter-select {
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    outline: none;
}

.date-filters input:focus,
.filter-input:focus,
.filter-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.filter-input {
    min-width: 160px;
}

.filter-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
    appearance: none;
    -webkit-appearance: none;
}

.quick-years {
    display: flex;
    gap: 8px;
}

.year-btn {
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

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

.year-btn.active {
    background: linear-gradient(to right, #2563eb, #7c3aed);
    border-color: transparent;
    color: white;
}

.empty-state {
    text-align: center;
    padding: 48px;
    color: var(--text-muted);
    font-style: italic;
    background: var(--secondary-bg);
    border-radius: 8px;
}

/* Log Panel Styles */
.log-panel {
    width: 350px;
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 150px);
    position: sticky;
    top: 20px;
    transition: all 0.3s ease;
    margin-left: 20px;
    flex-shrink: 0;
}

.log-panel.hidden {
    display: none;
}

.log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.log-header h3 {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 600;
}

#log-output {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    font-family: monospace;
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.log-entry {
    padding: 8px;
    border-radius: 4px;
    background-color: rgba(0, 0, 0, 0.2);
    border-left: 3px solid transparent;
    white-space: pre-wrap;
    word-break: break-all;
}

.log-entry.info {
    border-left-color: var(--info-color);
}

.log-entry.success {
    border-left-color: var(--success-color);
}

.log-entry.warning,
.log-entry.warn {
    border-left-color: var(--warning-color);
}

.log-entry.error {
    border-left-color: var(--danger-color);
}

.upload-section {
    margin-bottom: 2rem;
}

.upload-box {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 4rem;
    text-align: center;
    background-color: var(--card-bg);
    transition: all 0.2s ease;
    cursor: pointer;
}

.upload-box:hover {
    border-color: var(--accent-color);
    background-color: rgba(59, 130, 246, 0.05);
}

.upload-box svg {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.browse-link {
    color: var(--accent-color);
    text-decoration: underline;
    font-weight: 500;
}

.hidden {
    display: none;
}

.dashboard {
    animation: fadeIn 0.5s ease;
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.card h3 {
    margin: 0 0 0.5rem 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.value {
    font-size: 1.5rem;
    font-weight: 600;
}

.table-container {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

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

th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
}

td {
    font-size: 0.925rem;
}

.positive {
    color: var(--success-color);
}

.negative {
    color: var(--danger-color);
}

/* Buttons */
.secondary-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.secondary-btn:hover {
    border-color: var(--text-secondary);
    background-color: rgba(255, 255, 255, 0.05);
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.1);
}

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

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