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

body {
    background-color: #000000;
    color: #e0e0e0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 40px 20px;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: calc(100vh - 200px);
}

/* Cards Stack Layout */
.cards-stack {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl, 2rem);
    width: 100%;
    max-width: 48rem;
}

/* Report Card */
.report-card {
    max-width: 48rem; /* max-w-3xl equivalent */
    width: 100%;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.report-card-header {
    text-align: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.report-card-title {
    font-size: var(--font-size-xxl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
    text-transform: lowercase;
    letter-spacing: 0.5px;
}

.report-card-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin: 0;
}

/* Success Message */
.success-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(76, 175, 80, 0.1);
    border: 1px solid var(--color-success);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.success-icon {
    color: var(--color-success);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.success-text {
    color: var(--color-success);
    font-weight: 500;
}

/* Error Message Banner */
.error-message-banner {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(244, 67, 54, 0.1);
    border: 1px solid var(--color-error);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: slideDown 0.3s ease;
}

.error-icon {
    color: var(--color-error);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.error-text {
    color: var(--color-error);
    font-weight: 500;
}

/* Error Messages */
.error-message {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.error-message::before {
    content: '⚠';
    font-weight: bold;
}

.input-error {
    border-color: var(--color-error) !important;
}

.section-error {
    padding: var(--spacing-sm);
    background-color: rgba(244, 67, 54, 0.1);
    border: 1px solid var(--color-error);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
}

.report-card-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    flex: 1;
}

.report-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.report-section-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.report-section-content {
    min-height: 100px;
    padding: var(--spacing-md);
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

/* Step 1 - Report Type Options */
.report-type-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.report-type-option {
    padding: var(--spacing-md);
    background-color: var(--color-bg-secondary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    user-select: none;
    -webkit-user-select: none;
    pointer-events: auto;
}

.report-type-option:hover {
    border-color: var(--color-accent);
    background-color: var(--color-bg-tertiary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.report-type-option.selected {
    border-color: var(--color-accent);
    background-color: rgba(76, 175, 80, 0.1);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.report-type-option-header {
    margin-bottom: var(--spacing-xs);
}

.report-type-option-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.report-type-option-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.4;
}

.report-type-selected {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.report-type-selected-label {
    color: var(--color-text-secondary);
    margin-right: var(--spacing-xs);
}

.report-type-selected-value {
    color: var(--color-accent);
    font-weight: 600;
}

/* Step 2 - Configuration */
.config-placeholder {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    margin: var(--spacing-lg) 0;
}

.config-sections-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.config-section {
    padding: var(--spacing-md);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.config-section-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.config-section-shared {
    background-color: rgba(76, 175, 80, 0.05);
    border-color: var(--color-accent);
}

.config-subsection {
    margin-bottom: var(--spacing-md);
}

.config-subsection:last-child {
    margin-bottom: 0;
}

.config-subsection-title {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.url-inputs {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.url-input-row {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
}

.url-input-row .url-input-group {
    flex: 1;
}

.url-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.url-input-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.url-input {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    transition: border-color var(--transition-fast);
}

.url-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.url-input::placeholder {
    color: var(--color-text-muted);
}

.config-field-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.config-field-group:last-child {
    margin-bottom: 0;
}

.config-field-label {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    font-weight: 500;
}

.config-field-input {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    transition: border-color var(--transition-fast);
}

.config-field-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.config-field-input::placeholder {
    color: var(--color-text-muted);
}

/* Date input calendar picker styling */
.config-field-input[type="date"] {
    cursor: pointer;
}

.config-field-input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.config-field-input[type="date"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

/* URL Management Buttons */
.btn-add-url {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-family: var(--font-family-base);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-add-url:hover:not(:disabled) {
    background-color: var(--color-bg-secondary);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-add-url:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-remove-url {
    padding: var(--spacing-xs);
    min-width: 32px;
    height: 32px;
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.btn-remove-url:hover:not(:disabled) {
    background-color: var(--color-error);
    border-color: var(--color-error);
    color: white;
}

.btn-remove-url:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.remove-icon {
    font-size: 20px;
    line-height: 1;
    font-weight: 600;
}

.report-card-footer {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: center;
}

.btn-run-report {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-lg);
    min-width: 200px;
    position: relative;
    transition: all var(--transition-base);
}

.btn-run-report:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loading-state {
    opacity: 0.8;
}

.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-loading::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

@media (max-width: 768px) {
    .container {
        padding: 20px 10px;
    }
    
    .report-card {
        padding: var(--spacing-md);
    }
    
    .report-card-title {
        font-size: var(--font-size-xl);
    }
    
    .btn-run-report {
        width: 100%;
        min-width: unset;
    }
    
    .report-type-options {
        grid-template-columns: 1fr;
    }
    
    .config-sections-container {
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    body {
        padding: 20px 10px;
    }
    
    .report-card {
        padding: var(--spacing-sm);
    }
    
    .report-card-title {
        font-size: var(--font-size-lg);
    }
    
    .report-card-subtitle {
        font-size: var(--font-size-sm);
    }
}

/* Sentiment Tracker Card */
.sentiment-tracker-card .report-section-content {
    min-height: auto;
}

/* Tracker Controls */
.tracker-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.tracker-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex: 1;
    min-width: 150px;
}

.tracker-input-group label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.tracker-input {
    padding: 10px 16px;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    transition: border-color var(--transition-fast);
}

.tracker-input:hover {
    border-color: var(--color-text-muted);
}

.tracker-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.tracker-input::placeholder {
    color: var(--color-text-muted);
}

/* Tracker Select Dropdown */
.tracker-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23808080' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.tracker-select:hover {
    border-color: var(--color-text-muted);
}

.tracker-select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.tracker-select option {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
}

.tracker-date-input::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.tracker-date-input::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

.tracker-buttons {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-end;
}

.tracker-btn {
    padding: 10px 20px;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    border: 2px solid var(--color-text-muted);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.tracker-btn:hover:not(:disabled) {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-text-secondary);
}

.tracker-btn:active:not(:disabled) {
    background-color: var(--color-bg-secondary);
}

.tracker-btn-fetch {
    border-color: var(--color-text-muted);
}

.tracker-btn-export {
    border-color: var(--color-accent);
}

.tracker-btn-export:hover:not(:disabled) {
    border-color: var(--color-accent);
    background-color: rgba(76, 175, 80, 0.1);
}

.tracker-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: var(--color-border);
}

/* Tracker Messages */
.tracker-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: slideDown 0.3s ease;
}

.tracker-message-success {
    background-color: rgba(76, 175, 80, 0.1);
    border: 1px solid var(--color-success);
}

.tracker-message-error {
    background-color: rgba(244, 67, 54, 0.1);
    border: 1px solid var(--color-error);
}

.tracker-message-icon {
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.tracker-message-success .tracker-message-icon,
.tracker-message-success .tracker-message-text {
    color: var(--color-success);
}

.tracker-message-error .tracker-message-icon,
.tracker-message-error .tracker-message-text {
    color: var(--color-error);
}

.tracker-message-text {
    font-weight: 500;
}

/* Tracker Input Error State */
.tracker-input.input-error {
    border-color: var(--color-error) !important;
    animation: shake 0.3s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Sentiment Table Section */
.sentiment-table-section {
    position: relative;
    min-height: 200px;
    margin-top: var(--spacing-lg);
}

/* Loading Spinner */
.loading-spinner {
    display: none;
    width: 40px;
    height: 40px;
    margin: 50px auto;
    border: 4px solid var(--color-border);
    border-top: 4px solid var(--color-text-muted);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-spinner.active {
    display: block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
    display: none;
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-muted);
}

.empty-state.active {
    display: block;
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-message {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-secondary);
}

.empty-state-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Table Wrapper */
.table-wrapper {
    display: none;
}

.table-wrapper.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

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

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border);
}

.table-title {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    font-weight: 500;
    margin: 0;
}

.table-info {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Table Container */
.table-container {
    background-color: var(--color-bg-primary);
    border: 2px solid var(--color-text-muted);
    border-radius: var(--radius-sm);
    overflow: auto;
    max-height: 500px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.data-table thead {
    background-color: var(--color-bg-secondary);
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table th {
    padding: 12px 16px;
    text-align: left;
    color: var(--color-text-secondary);
    font-weight: 600;
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 16px;
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}

.data-table tbody tr {
    transition: background-color 0.2s;
}

.data-table tbody tr:hover {
    background-color: var(--color-bg-secondary);
}

/* Table Cell Specific Styles */
.cell-number {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.cell-percentage {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

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

.cell-percentage.negative {
    color: var(--color-error);
}

.cell-percentage.neutral {
    color: var(--color-text-muted);
}

@media (max-width: 768px) {
    .tracker-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .tracker-input-group {
        min-width: 100%;
    }
    
    .tracker-buttons {
        justify-content: center;
        margin-top: var(--spacing-sm);
    }
    
    .table-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    .table-container {
        max-height: 400px;
    }
    
    .data-table {
        font-size: 0.75rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .data-table th,
    .data-table td {
        padding: 6px 8px;
    }
}