/* ============================================
   COMPONENTS - Componentes reutilizáveis
   ============================================ */

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-fast);
    white-space: nowrap;
    user-select: none;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: white;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::after {
    opacity: 0.1;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--brand-gradient);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 82, 255, 0.25);
}

.btn-primary:hover {
    background: var(--brand-gradient-hover);
    box-shadow: 0 4px 16px rgba(0, 82, 255, 0.35);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-primary);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--text-tertiary);
}

.btn-outline {
    background: transparent;
    color: var(--brand-primary);
    border-color: var(--brand-primary);
}

.btn-outline:hover {
    background: var(--brand-primary-50);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--status-reprovado);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-success {
    background: var(--status-aprovado);
    color: white;
}

.btn-warning {
    background: var(--status-pendente);
    color: white;
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-md);
}

.btn-icon.sm {
    width: 28px;
    height: 28px;
}

.btn:disabled, .btn.loading {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn.loading::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ---- Form Elements ---- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-input);
    border: 1px solid var(--border-input);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px var(--brand-primary-100);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-input-icon {
    position: relative;
}

.form-input-icon .form-input {
    padding-left: 42px;
}

.form-input-icon svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-tertiary);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ---- Cards ---- */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

.card-hover:hover {
    border-color: var(--brand-primary-100);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-5);
}

.card-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
}

.card-subtitle {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

/* ---- Status Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-pendente {
    background: var(--status-pendente-bg);
    color: var(--status-pendente);
}

.badge-aprovado {
    background: var(--status-aprovado-bg);
    color: var(--status-aprovado);
}

.badge-reprovado {
    background: var(--status-reprovado-bg);
    color: var(--status-reprovado);
}

.badge-analise {
    background: var(--status-analise-bg);
    color: var(--status-analise);
}

.badge-resolvido {
    background: var(--status-resolvido-bg);
    color: var(--status-resolvido);
}

.badge-dot::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

/* Priority badges */
.badge-prioridade-baixa { background: rgba(107, 114, 128, 0.1); color: var(--priority-baixa); }
.badge-prioridade-media { background: rgba(59, 130, 246, 0.1); color: var(--priority-media); }
.badge-prioridade-alta { background: rgba(245, 158, 11, 0.1); color: var(--priority-alta); }
.badge-prioridade-urgente { 
    background: rgba(239, 68, 68, 0.1); 
    color: var(--priority-urgente);
    animation: pulse-badge 2s infinite;
}

/* ---- Tables ---- */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    background: var(--bg-secondary);
}

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

.data-table th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
    white-space: nowrap;
}

.data-table td {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-secondary);
    vertical-align: middle;
}

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

.data-table tbody tr {
    transition: background var(--transition-fast);
}

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

.data-table tbody tr.clickable {
    cursor: pointer;
}

/* ---- Modals ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    animation: fadeIn 0.2s ease;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition-spring);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-primary);
}

.modal-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    border: none;
    background: none;
    color: var(--text-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

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

.modal-body {
    padding: var(--space-6);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-primary);
}

/* ---- Toast / Notifications ---- */
.toast-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    pointer-events: none;
}

.toast {
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    pointer-events: all;
    animation: slideInRight 0.3s var(--transition-spring);
    max-width: 400px;
}

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

.toast.toast-exit {
    animation: slideOutRight 0.3s ease forwards;
}

@keyframes slideOutRight {
    to { opacity: 0; transform: translateX(100%); }
}

.toast-success { border-left: 3px solid var(--status-aprovado); }
.toast-error { border-left: 3px solid var(--status-reprovado); }
.toast-warning { border-left: 3px solid var(--status-pendente); }
.toast-info { border-left: 3px solid var(--status-analise); }

/* ---- Pagination ---- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) 0;
}

.pagination-btn {
    min-width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.pagination-btn:hover {
    background: var(--bg-hover);
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

.pagination-btn.active {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
    color: white;
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ---- Theme Toggle ---- */
.theme-toggle {
    width: 44px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    left: 3px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--brand-gradient);
    transition: transform var(--transition-spring);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .theme-toggle::before {
    transform: translateX(19px);
}

.theme-toggle-icon {
    position: absolute;
    width: 12px;
    height: 12px;
}

.theme-toggle-sun {
    left: 6px;
    color: white;
}

.theme-toggle-moon {
    right: 6px;
    color: var(--text-tertiary);
}

[data-theme="dark"] .theme-toggle-sun {
    color: var(--text-tertiary);
}

[data-theme="dark"] .theme-toggle-moon {
    color: white;
}

/* ---- Empty State ---- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16) var(--space-8);
    text-align: center;
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    color: var(--text-tertiary);
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.empty-state-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.empty-state-text {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    max-width: 400px;
}

/* ---- Loading Skeleton ---- */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.skeleton-text {
    height: 14px;
    margin-bottom: var(--space-2);
}

.skeleton-title {
    height: 22px;
    width: 60%;
    margin-bottom: var(--space-3);
}

.skeleton-card {
    height: 120px;
}

/* ---- Dropdown ---- */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    min-width: 200px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.97);
    transition: all var(--transition-fast);
    padding: var(--space-2);
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

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

.dropdown-divider {
    height: 1px;
    background: var(--border-primary);
    margin: var(--space-2) 0;
}

/* ---- Impersonation Banner ---- */
.impersonation-banner {
    background: linear-gradient(90deg, #f59e0b, #d97706);
    color: #1a1a1a;
    padding: var(--space-2) var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    font-weight: 600;
    display: none;
}

.impersonation-banner.active {
    display: flex;
}

.impersonation-banner .btn {
    padding: 4px 12px;
    font-size: var(--text-xs);
    background: rgba(0,0,0,0.15);
    color: inherit;
    border: 1px solid rgba(0,0,0,0.1);
}

/* ---- Search Bar ---- */
.search-bar {
    position: relative;
    max-width: 300px;
}

.search-bar input {
    width: 100%;
    padding: var(--space-2) var(--space-3) var(--space-2) 36px;
    background: var(--bg-tertiary);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
    outline: none;
}

.search-bar input:focus {
    background: var(--bg-input);
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px var(--brand-primary-100);
}

.search-bar svg {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-tertiary);
}

/* ---- Filters Bar ---- */
.filters-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    padding: var(--space-4) 0;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-chip:hover, .filter-chip.active {
    background: var(--brand-primary-50);
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

/* ---- Page Header ---- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.page-header-left {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.page-header-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
}

.page-header-subtitle {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

.page-header-actions {
    display: flex;
    gap: var(--space-3);
}

/* ---- Tabs ---- */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-primary);
    gap: var(--space-1);
    margin-bottom: var(--space-6);
}

.tab {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-tertiary);
    cursor: pointer;
    border: none;
    background: none;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    margin-bottom: -1px;
}

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

.tab.active {
    color: var(--brand-primary);
    border-bottom-color: var(--brand-primary);
}

/* ---- Detail View ---- */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4);
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.detail-label {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    font-size: var(--text-sm);
    color: var(--text-primary);
    font-weight: 500;
}

/* ---- Timeline ---- */
.timeline {
    position: relative;
    padding-left: var(--space-8);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-primary);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-6);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -27px;
    top: 4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--brand-primary);
    border: 2px solid var(--bg-secondary);
    z-index: 1;
}

.timeline-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.timeline-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.timeline-text {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.timeline-time {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    font-family: var(--font-mono);
}