/* ===== VARIABLES ===== */
:root {
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition-fast: 150ms ease;
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.25);
}

/* ===== PAGE HEADER ===== */
.calls-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.page-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin: 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.btn-create {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.75rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-create:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-create:active {
    transform: translateY(0);
}

/* ===== FILTERS SECTION ===== */
.filters-section {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.filters-title {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

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

.filter-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.filter-select, .filter-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    outline: none;
}

.filter-select:focus, .filter-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb, 139, 92, 246), 0.1);
}

.filter-select option {
    background: var(--card-bg);
    color: var(--text);
}

/* ===== STATISTICS ===== */
.calls-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--stat-color);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--stat-color-rgb), 0.1);
    color: var(--stat-color);
    font-size: 1.4rem;
    flex-shrink: 0;
}

.stat-info {
    flex: 1;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    line-height: 1;
    color: var(--text);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0.5rem 0 0;
    font-weight: 500;
}

.stat-trend {
    font-size: 0.8rem;
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

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

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

/* ===== TABLE CONTAINER ===== */
.calls-table-container {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.5s ease-out;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    background: rgba(var(--primary-rgb, 139, 92, 246), 0.03);
}

.table-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    color: var(--text);
}

.btn-refresh {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--card-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.btn-refresh:active {
    transform: scale(0.98);
}

/* ===== TABLE STYLES ===== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.calls-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    min-width: 800px;
}

.calls-table thead {
    background: rgba(var(--primary-rgb, 139, 92, 246), 0.05);
}

.calls-table th {
    padding: 1rem 1.25rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.calls-table tbody tr {
    transition: var(--transition-fast);
    border-bottom: 1px solid var(--border);
}

.calls-table tbody tr:hover {
    background: rgba(var(--primary-rgb, 139, 92, 246), 0.04);
}

.calls-table td {
    padding: 1.25rem;
    color: var(--text);
    font-size: 0.95rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border);
}

.calls-table tbody tr:last-child td {
    border-bottom: none;
}

/* ===== TABLE CELL STYLES ===== */
.client-cell, .mop-cell {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.client-name, .mop-name {
    font-weight: 500;
    color: var(--text);
}

.client-id, .mop-id {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.scenario-cell {
    max-width: 250px;
}

.scenario-title {
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.scenario-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== STATUS BADGES ===== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
}

.status-badge i {
    font-size: 0.75rem;
}

.status-new {
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.status-transcribing {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-transcription_done {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-transcription_error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.status-analyzing {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.status-analyzing_done {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-analyzing_error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ===== ACTION BUTTONS ===== */
.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.btn-icon:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}

.btn-icon:active {
    transform: translateY(0);
}

.btn-view:hover {
    background: #10b981;
    border-color: #10b981;
}

.btn-delete:hover {
    background: var(--danger);
    border-color: var(--danger);
}

/* ===== TABLE FOOTER ===== */
.table-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    background: rgba(var(--primary-rgb, 139, 92, 246), 0.03);
}

.pagination {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

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

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

.page-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
    min-width: 120px;
    text-align: center;
}

.page-current {
    font-weight: 600;
    color: var(--text);
}

.items-per-page {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.items-per-page label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.items-per-page select {
    padding: 0.5rem 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
}

/* ===== LOADING STATES ===== */
.loading-cell {
    text-align: center;
    padding: 4rem !important;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

.loading-spinner + span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.empty-state {
    text-align: center;
    padding: 4rem;
}

.empty-icon {
    font-size: 3rem;
    color: var(--text-secondary);
    opacity: 0.5;
    margin-bottom: 1rem;
}

.empty-text {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.btn-empty-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-empty-action:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

/* ===== MODALS ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 1rem;
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-hover);
}

.modal-large .modal-content {
    max-width: 800px;
}

.modal-xl .modal-content {
    max-width: 900px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--card-bg);
    z-index: 10;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    color: var(--text);
}

.close-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 1.25rem;
}

.close-btn:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

.modal-body {
    padding: 1.5rem;
}

/* ===== FORM STYLES ===== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb, 139, 92, 246), 0.1);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
    font-family: inherit;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.btn-secondary {
    padding: 0.875rem 1.75rem;
    background: var(--card-bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-submit {
    padding: 0.875rem 1.75rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-submit.loading {
    position: relative;
    color: transparent;
}

.btn-submit.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ===== DETAILS VIEW ===== */
.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.detail-item {
    background: rgba(var(--primary-rgb, 139, 92, 246), 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
}

.detail-item label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: block;
}

.detail-item .value {
    font-size: 1rem;
    color: var(--text);
    font-weight: 500;
}

.detail-item.full-width {
    grid-column: 1 / -1;
}

.transcription-container {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-top: 1rem;
}

.transcription-segment {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    transition: var(--transition-fast);
}

.transcription-segment:hover {
    background: rgba(var(--primary-rgb, 139, 92, 246), 0.05);
}

.transcription-segment:last-child {
    border-bottom: none;
}

.transcription-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.speaker-badge {
    padding: 0.25rem 0.75rem;
    background: var(--primary);
    color: white;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.time-stamp {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.transcription-text {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text);
}

/* ===== AUDIO PLAYER ===== */
.audio-player-container {
    margin-bottom: 2rem;
}

.audio-player {
    width: 100%;
    border-radius: var(--radius-md);
    background: var(--bg);
}

.player-controls {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    justify-content: center;
}

.subtitles-container {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-top: 1.5rem;
}

.subtitle-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition-fast);
}

.subtitle-item:hover {
    background: rgba(var(--primary-rgb, 139, 92, 246), 0.05);
}

.subtitle-item.active {
    background: rgba(var(--primary-rgb, 139, 92, 246), 0.1);
    border-left: 3px solid var(--primary);
}

.subtitle-item:last-child {
    border-bottom: none;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .calls-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .filters {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .calls-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .btn-create {
        width: 100%;
        justify-content: center;
    }

    .calls-stats {
        grid-template-columns: 1fr;
    }

    .filters {
        grid-template-columns: 1fr;
    }

    .table-footer {
        flex-direction: column;
        gap: 1.5rem;
        align-items: stretch;
    }

    .pagination {
        justify-content: center;
    }

    .items-per-page {
        justify-content: center;
    }

    .action-buttons {
        flex-direction: column;
    }

    .btn-icon {
        width: 100%;
    }

    .modal-content {
        margin: 0.5rem;
    }
}

@media (max-width: 480px) {
    .calls-table th,
    .calls-table td {
        padding: 0.75rem;
    }

    .details-grid {
        grid-template-columns: 1fr;
    }

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

    .btn-secondary,
    .btn-submit {
        width: 100%;
    }
}