/* 
 * GRADUATION MODULE - PREMIUM STYLES
 * Módulo de Graduação com design system tokens
 * Padrão: AGENTS.md v2.0 - Premium UI
 */

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */
.graduation-container {
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
}

/* ============================================
   TABS NAVIGATION
   ============================================ */
.tabs-navigation-premium {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color, #e5e7eb);
    padding-bottom: 0;
}

.tab-btn {
    padding: 1rem 2rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    bottom: -2px;
}

.tab-btn:hover {
    color: var(--primary-color, #667eea);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.tab-btn.active {
    color: var(--primary-color, #667eea);
    border-bottom-color: var(--primary-color, #667eea);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
}

.tab-content {
    animation: fadeIn 0.3s ease;
}

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

/* ============================================
   STUDENTS GRID
   ============================================ */
.students-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.student-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.student-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color, #667eea) 0%, var(--secondary-color, #764ba2) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.student-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2);
    border-color: var(--primary-color, #667eea);
}

.student-card:hover::before {
    opacity: 1;
}

.student-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.student-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color, #667eea) 0%, var(--secondary-color, #764ba2) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    flex-shrink: 0;
}

.student-info {
    flex: 1;
}

.student-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary, #1f2937);
    margin: 0 0 0.25rem 0;
}

.student-registration {
    font-size: 0.875rem;
    color: var(--text-secondary, #6b7280);
    margin: 0;
}

.student-meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.meta-badge {
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--bg-light, #f3f4f6);
    color: var(--text-secondary, #6b7280);
    white-space: nowrap;
}

.meta-badge.belt-white { background: #f3f4f6; color: #374151; }
.meta-badge.belt-yellow { background: #fef3c7; color: #92400e; }
.meta-badge.belt-orange { background: #fed7aa; color: #9a3412; }
.meta-badge.belt-green { background: #d1fae5; color: #065f46; }
.meta-badge.belt-blue { background: #dbeafe; color: #1e40af; }
.meta-badge.belt-brown { background: #e7e5e4; color: #44403c; }
.meta-badge.belt-black { background: #1f2937; color: white; }

.student-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-light, #f3f4f6);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.student-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color, #667eea) 0%, var(--secondary-color, #764ba2) 100%);
    transition: width 0.5s ease;
    border-radius: 4px;
}

.student-stats {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.stat-item {
    text-align: center;
    flex: 1;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color, #667eea);
    margin: 0;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary, #6b7280);
    margin: 0.25rem 0 0 0;
}

.student-status {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.student-status.ready {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%) !important;
    color: #065f46 !important;
    border: 2px solid #10b981;
}

.student-status.in-progress {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
}

.student-status.needs-attention {
    background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%);
    color: #9a3412;
}

/* ============================================
   REQUIREMENTS CONTAINER
   ============================================ */
.requirements-container {
    margin-top: 2rem;
}

.requirement-category {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    margin-bottom: 1.5rem;
}

.requirement-category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color, #e5e7eb);
}

.category-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-color, #667eea) 0%, var(--secondary-color, #764ba2) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.category-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary, #1f2937);
    margin: 0;
}

.category-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary, #6b7280);
    margin: 0.25rem 0 0 0;
}

.requirement-items {
    display: grid;
    gap: 1rem;
}

.requirement-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light, #f9fafb);
    border-radius: 8px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.requirement-item:hover {
    background: white;
    border-color: var(--primary-color, #667eea);
}

.requirement-checkbox {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    border: 2px solid var(--border-color, #d1d5db);
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.requirement-checkbox.checked {
    background: linear-gradient(135deg, var(--primary-color, #667eea) 0%, var(--secondary-color, #764ba2) 100%);
    border-color: var(--primary-color, #667eea);
}

.requirement-info {
    flex: 1;
}

.requirement-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    margin: 0 0 0.25rem 0;
}

.requirement-details {
    font-size: 0.875rem;
    color: var(--text-secondary, #6b7280);
    margin: 0;
}

.requirement-progress {
    text-align: right;
}

.progress-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color, #667eea);
    margin: 0;
}

.progress-target {
    font-size: 0.75rem;
    color: var(--text-secondary, #6b7280);
    margin: 0.25rem 0 0 0;
}

/* ============================================
   MODAL FULLSCREEN
   ============================================ */
.modal-fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.modal-content-fullscreen {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 1400px;
    height: 100%;
    background: var(--bg-light, #f9fafb);
    overflow-y: auto;
    animation: slideInRight 0.3s ease;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.2);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

.modal-header-premium {
    background: white;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 10;
}

.modal-body-fullscreen {
    padding: 2rem;
}

/* ============================================
   SUMMARY CARDS GRID
   ============================================ */
.summary-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* ============================================
   ACTIVITIES TABLE
   ============================================ */
.activities-table {
    width: 100%;
    border-collapse: collapse;
}

.activities-table thead th {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    padding: 1rem;
    text-align: left;
    font-weight: 700;
    color: var(--text-primary, #1f2937);
    border-bottom: 2px solid var(--primary-color, #667eea);
}

.activities-table tbody tr {
    border-bottom: 1px solid var(--border-color, #e5e7eb);
    transition: background 0.2s ease;
}

.activities-table tbody tr:hover {
    background: var(--bg-light, #f9fafb);
}

.activities-table tbody td {
    padding: 1rem;
    vertical-align: middle;
}

.activity-name {
    font-weight: 600;
    color: var(--text-primary, #1f2937);
}

.activity-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--bg-light, #f3f4f6);
    color: var(--text-secondary, #6b7280);
}

.progress-quantitative {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.progress-quantitative input {
    width: 80px;
    padding: 0.5rem;
    border: 2px solid var(--border-color, #e5e7eb);
    border-radius: 6px;
    font-size: 0.875rem;
    text-align: center;
}

.progress-quantitative span {
    font-size: 0.75rem;
    color: var(--text-secondary, #6b7280);
}

.rating-display {
    display: flex;
    gap: 0.25rem;
}

.rating-star {
    font-size: 1.25rem;
}

.rating-star.filled {
    color: #fbbf24;
}

.rating-star.empty {
    color: var(--border-color, #e5e7eb);
}

.origin-badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

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

.origin-badge.manual {
    background: #dbeafe;
    color: #1e40af;
}

/* ============================================
   RATING SELECTOR
   ============================================ */
.rating-selector {
    display: flex;
    gap: 0.5rem;
}

.rating-btn {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color, #e5e7eb);
    background: white;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.rating-btn:hover {
    border-color: var(--primary-color, #667eea);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.rating-btn.selected {
    border-color: var(--primary-color, #667eea);
    background: linear-gradient(135deg, var(--primary-color, #667eea) 0%, var(--secondary-color, #764ba2) 100%);
    color: white;
}

/* ============================================
   FORM GRID
   ============================================ */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

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

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

.form-group label {
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    font-size: 0.875rem;
}

.form-input,
.form-select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color, #e5e7eb);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color, #667eea);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .students-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    .summary-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content-fullscreen {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .graduation-container {
        padding: 1rem;
    }
    
    .students-grid {
        grid-template-columns: 1fr;
    }
    
    .summary-cards-grid {
        grid-template-columns: 1fr;
    }
    
    .tabs-navigation-premium {
        flex-direction: column;
        gap: 0;
    }
    
    .tab-btn {
        border-bottom: none;
        border-left: 3px solid transparent;
        padding: 1rem;
    }
    
    .tab-btn.active {
        border-left-color: var(--primary-color, #667eea);
        border-bottom-color: transparent;
    }
}

/* ============================================
   UI STATES
   ============================================ */
.info-state-premium {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.info-state-premium .info-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.info-state-premium h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary, #1f2937);
    margin: 0 0 0.5rem 0;
}

.info-state-premium p {
    font-size: 1rem;
    color: var(--text-secondary, #6b7280);
    margin: 0;
}

.empty-state-premium,
.error-state-premium {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state-premium .empty-icon,
.error-state-premium .error-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state-premium h3,
.error-state-premium h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary, #1f2937);
    margin: 0 0 0.5rem 0;
}

.empty-state-premium p,
.error-state-premium p {
    font-size: 1rem;
    color: var(--text-secondary, #6b7280);
    margin: 0 0 1rem 0;
}

/* ============================================
   INLINE EDITING STYLES
   ============================================ */

/* Editing row highlight */
.editing-row {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%) !important;
    box-shadow: inset 0 0 0 2px var(--primary-color, #667eea);
}

/* Inline inputs */
.input-inline {
    width: 100px;
    padding: 0.5rem;
    border: 2px solid var(--border-color, #e5e7eb);
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    transition: all 0.3s ease;
}

.input-inline:focus {
    outline: none;
    border-color: var(--primary-color, #667eea);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Inline select */
.select-inline {
    padding: 0.5rem;
    border: 2px solid var(--border-color, #e5e7eb);
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.select-inline:focus {
    outline: none;
    border-color: var(--primary-color, #667eea);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Action buttons inline */
.action-buttons-inline {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.btn-icon.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-icon.btn-secondary {
    background: #e5e7eb;
    color: #6b7280;
}

.btn-icon.btn-secondary:hover {
    background: #d1d5db;
}

.btn-icon.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-icon.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

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

/* Badge styles */
.badge-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: var(--primary-color, #667eea);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-source {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: #f3f4f6;
    color: #6b7280;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Progress inline */
.progress-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.progress-text {
    font-weight: 700;
    color: var(--text-primary, #1f2937);
}

/* Rating display */
.rating-display {
    font-size: 1rem;
}

/* Empty table cell */
.empty-table-cell {
    text-align: center;
    padding: 2rem !important;
}

.empty-state-small {
    color: var(--text-secondary, #6b7280);
    font-size: 0.875rem;
}

/* Toast animations */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* ============================================
   FULL-SCREEN EDIT PAGE (AGENTS.md PATTERN)
   ============================================ */

/* Info Box (Read-only fields) */
.info-box {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    color: #374151;
}

/* Form Groups */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-label-hint {
    font-weight: 400;
    color: #9ca3af;
    font-size: 0.85rem;
    margin-left: 0.5rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

/* Form Control */
.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color, #667eea);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

/* Progress Bar Premium */
.progress-bar-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.progress-bar-premium {
    flex: 1;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
    border-radius: 4px;
}

.progress-percentage {
    font-weight: 600;
    color: var(--primary-color, #667eea);
    font-size: 0.95rem;
    min-width: 50px;
    text-align: right;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

/* Buttons */
.btn-primary {
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(102, 126, 234, 0.3);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    padding: 0.75rem 2rem;
    background: white;
    color: #6b7280;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-secondary:hover {
    background: #f9fafb;
    border-color: #d1d5db;
    color: #374151;
}

/* Breadcrumb improvements */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #6b7280;
    margin-top: 0.5rem;
}

.breadcrumb a {
    color: var(--primary-color, #667eea);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb a:hover {
    color: var(--secondary-color, #764ba2);
    text-decoration: underline;
}

.breadcrumb .separator {
    color: #d1d5db;
    margin: 0 0.25rem;
}

.breadcrumb .current {
    color: #374151;
    font-weight: 500;
}

/* Header Actions */
.header-actions {
    display: flex;
    gap: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
}

/* ============================================
   TIMELINE DE CHECK-INS
   ============================================ */
.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e5e7eb;
}

.timeline-header h3 {
    margin: 0;
    color: #111827;
    font-size: 1.25rem;
}

.timeline-stats {
    display: flex;
    gap: 0.5rem;
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0.75rem;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    opacity: 0.3;
}

.timeline-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    position: relative;
    padding: 1rem;
    background: #f9fafb;
    border-radius: 12px;
    border-left: 4px solid #cbd5e1;
    transition: all 0.3s ease;
}

.timeline-item:hover {
    background: #f3f4f6;
    border-left-color: #667eea;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
}

.timeline-item.completed {
    border-left-color: #10b981;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(52, 211, 153, 0.05) 100%);
}

.timeline-item.partial {
    border-left-color: #f59e0b;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, rgba(251, 191, 36, 0.05) 100%);
}

.timeline-item.low {
    border-left-color: #ef4444;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, rgba(248, 113, 113, 0.05) 100%);
}

.timeline-marker {
    position: absolute;
    left: -2.5rem;
    top: 1rem;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 3px solid #cbd5e1;
    border-radius: 50%;
    font-size: 1rem;
    z-index: 2;
}

.timeline-item.completed .timeline-marker {
    border-color: #10b981;
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

.timeline-item.partial .timeline-marker {
    border-color: #f59e0b;
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

.timeline-item.low .timeline-marker {
    border-color: #ef4444;
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
}

.timeline-content {
    flex: 1;
}

.timeline-header-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.timeline-header-item strong {
    color: #111827;
    font-size: 1.1rem;
}

.timeline-date {
    color: #6b7280;
    font-size: 0.875rem;
    white-space: nowrap;
}

.timeline-description {
    color: #6b7280;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.timeline-activities {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 0.75rem;
    border: 1px solid #e5e7eb;
}

.activity-in-timeline {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f3f4f6;
}

.activity-in-timeline:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.activity-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f3f4f6;
    border-radius: 50%;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.activity-in-timeline.completed .activity-icon {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    color: white;
}

.activity-name {
    flex: 1;
    font-weight: 500;
    color: #374151;
}

.activity-in-timeline.completed .activity-name {
    color: #10b981;
}

.activity-in-timeline.pending .activity-name {
    color: #9ca3af;
}

.activity-reps {
    margin-left: auto;
    font-weight: 600;
    color: #111827;
    background: #f9fafb;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
}

.activity-rating {
    font-size: 0.875rem;
}

.activity-pending-text {
    color: #9ca3af;
    font-style: italic;
    font-size: 0.875rem;
}

.timeline-footer {
    margin-top: 1rem;
    display: flex;
    justify-content: flex-end;
}

.completion-badge {
    padding: 0.375rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.completion-badge.completion-completed {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    color: white;
}

.completion-badge.completion-partial {
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    color: white;
}

.completion-badge.completion-low {
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
    color: white;
}

/* Empty/Error states */
.empty-state-inline,
.error-state-inline {
    text-align: center;
    padding: 2rem;
    border-radius: 8px;
}

.empty-state-inline {
    background: #f9fafb;
    border: 2px dashed #e5e7eb;
}

.error-state-inline {
    background: #fef2f2;
    border: 2px solid #fecaca;
}

/* Loading spinner */
.loading-spinner {
    text-align: center;
    padding: 2rem;
    color: #6b7280;
    font-style: italic;
}

/* Responsive Timeline */
@media (max-width: 768px) {
    .timeline {
        padding-left: 1.5rem;
    }

    .timeline::before {
        left: 0.5rem;
    }

    .timeline-marker {
        left: -2rem;
        width: 1.5rem;
        height: 1.5rem;
        font-size: 0.875rem;
    }

    .timeline-header-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .timeline-date {
        font-size: 0.75rem;
    }

    .timeline-stats {
        flex-direction: column;
        gap: 0.25rem;
    }
}