/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-card: #242424;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent-primary: #6366f1;
    --accent-hover: #818cf8;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: #333333;
    --radius: 8px;
    --radius-lg: 12px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 30px;
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.stats {
    display: flex;
    gap: 16px;
}

.stat {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Input Section */
.input-section {
    margin-bottom: 24px;
}

.category-chips {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.chip {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.15s ease;
}

.chip:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.chip.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.input-container {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

#quick-input {
    flex: 1;
    padding: 14px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    resize: none;
    font-family: inherit;
    transition: border-color 0.15s ease;
}

#quick-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

#quick-input::placeholder {
    color: var(--text-muted);
}

.btn-primary {
    padding: 14px 24px;
    border-radius: var(--radius);
    border: none;
    background: var(--accent-primary);
    color: white;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s ease;
    white-space: nowrap;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

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

.input-hints {
    display: flex;
    gap: 16px;
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

kbd {
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    font-family: inherit;
    font-size: 0.7rem;
}

/* What's Next Section */
.whats-next-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.whats-next-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

.btn-whats-next {
    padding: 14px 28px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--accent-primary);
    background: transparent;
    color: var(--accent-primary);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-whats-next:hover {
    background: var(--accent-primary);
    color: white;
}

.time-select {
    padding: 10px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
}

.whats-next-categories {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-right: 4px;
}

.context-chip {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.15s ease;
}

.context-chip:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.context-chip.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

/* Response Section */
.response-section {
    margin-bottom: 24px;
}

.response-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 20px;
    border: 1px solid var(--border);
}

.response-message {
    font-size: 1rem;
    margin-bottom: 16px;
    line-height: 1.5;
}

.response-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.response-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    font-size: 0.9rem;
}

.response-item .type-badge {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 600;
}

.type-badge.goal { background: #7c3aed; }
.type-badge.task { background: #2563eb; }
.type-badge.reminder { background: #059669; }
.type-badge.deadline { background: #dc2626; }
.type-badge.mission { background: #d97706; }

.response-questions {
    margin-top: 16px;
}

.question-item {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
}

.question-item input {
    flex: 1;
    padding: 10px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.question-item button {
    padding: 10px 16px;
    border-radius: var(--radius);
    border: none;
    background: var(--accent-primary);
    color: white;
    cursor: pointer;
}

.btn-skip {
    background: transparent !important;
    border: 1px solid var(--border) !important;
    color: var(--text-secondary) !important;
}

/* Recommendations Section */
.recommendations-section {
    margin-bottom: 32px;
}

.recommendations-section h2 {
    font-size: 1.125rem;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.recommendations-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recommendation-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    border-left: 4px solid var(--accent-primary);
    cursor: pointer;
    transition: transform 0.1s ease;
}

.recommendation-card:hover {
    transform: translateX(4px);
}

.recommendation-title {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 6px;
}

.recommendation-meta {
    display: flex;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.recommendation-reasoning {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
}

.recommendations-insight {
    margin-top: 16px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Items Section */
.items-section {
    margin-top: 32px;
}

.items-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.items-header h2 {
    font-size: 1.125rem;
}

.filter-chips {
    display: flex;
    gap: 6px;
}

.filter-chip {
    padding: 4px 10px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.15s ease;
}

.filter-chip:hover {
    color: var(--text-secondary);
}

.filter-chip.active {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.items-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.item-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: border-color 0.15s ease;
}

.item-card:hover {
    border-color: var(--text-muted);
}

.item-checkbox {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--border);
    cursor: pointer;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.item-checkbox:hover {
    border-color: var(--success);
}

.item-checkbox.completed {
    background: var(--success);
    border-color: var(--success);
}

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

.item-title {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.item-card.completed .item-title {
    text-decoration: line-through;
    color: var(--text-muted);
}

.item-meta {
    display: flex;
    gap: 10px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.item-category {
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--bg-card);
    font-size: 0.7rem;
}

.item-due {
    color: var(--warning);
}

.item-due.overdue {
    color: var(--danger);
}

.item-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.item-card:hover .item-actions {
    opacity: 1;
}

.item-action {
    padding: 6px 8px;
    border-radius: 4px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
}

.item-action:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.item-action.delete:hover {
    color: var(--danger);
}

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

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

.btn-loading {
    display: inline-block;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    width: 90%;
    max-width: 400px;
    border: 1px solid var(--border);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

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

.modal-item-title {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.date-input {
    width: 100%;
    padding: 12px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 16px;
}

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

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.btn-secondary {
    padding: 10px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-secondary:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

/* Deleted Tab Styling */
.filter-chip.deleted-tab {
    border-color: var(--danger);
    color: var(--danger);
}

.filter-chip.deleted-tab:hover {
    background: rgba(239, 68, 68, 0.1);
}

.filter-chip.deleted-tab.active {
    background: var(--danger);
    border-color: var(--danger);
    color: white;
}

/* Deleted Item Styling */
.item-card.deleted {
    opacity: 0.7;
    border-left: 3px solid var(--danger);
}

.item-card.deleted .item-title {
    color: var(--text-muted);
}

/* Restore Button */
.item-action.restore {
    color: var(--success);
}

.item-action.restore:hover {
    background: var(--bg-card);
    color: var(--success);
}

/* Clickable Item Content */
.item-content {
    flex: 1;
    min-width: 0;
    cursor: pointer;
}

.item-content:hover .item-title {
    color: var(--accent-hover);
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 16px;
    }

    .header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .input-container {
        flex-direction: column;
    }

    #quick-input {
        min-height: 80px;
        width: 100%;
    }

    .btn-primary {
        width: 100%;
    }

    .items-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .category-chips,
    .filter-chips,
    .whats-next-categories {
        flex-wrap: wrap;
    }

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

    .btn-whats-next {
        width: 100%;
    }

    .time-select {
        width: 100%;
    }

    .modal-content {
        margin: 16px;
        width: calc(100% - 32px);
    }

    .modal-actions {
        flex-direction: column;
    }

    .modal-actions button {
        width: 100%;
    }
}