/*
 * ============================================================
 * RF Advocacia Estratégica v2 — Components
 * ============================================================
 * Botões, cards, tabelas, badges, forms, alerts, modais.
 */

/* =========================================
   BOTÕES
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.4rem;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}

.btn svg {
    width: 17px;
    height: 17px;
}

.btn-sm {
    padding: 0.4rem 0.9rem;
    font-size: 0.82rem;
}

.btn-sm svg {
    width: 15px;
    height: 15px;
}

.btn-lg {
    padding: 0.8rem 2rem;
    font-size: 1rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Primary */
.btn-primary {
    background: linear-gradient(135deg, var(--accent), #b8943d);
    color: var(--accent-contrast);
    border: none;
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 8px rgba(204, 166, 88, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover), var(--accent));
    box-shadow: 0 4px 16px rgba(204, 166, 88, 0.3);
    transform: translateY(-1px);
    color: var(--accent-contrast);
}

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

/* Secondary */
.btn-secondary {
    background: var(--bg-surface);
    border-color: var(--border);
    color: var(--text-secondary);
}

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

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

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

/* Danger */
.btn-danger {
    background: var(--error-bg);
    color: var(--error);
    border-color: rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: var(--error);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* =========================================
   CARDS
   ========================================= */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.card-header h2,
.card-header h3 {
    margin: 0;
    font-size: 1.15rem;
}

.card-body {
    color: var(--text-secondary);
}

/* Stat cards (Dashboard) */
.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    border-color: var(--border-accent);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-muted);
    color: var(--accent);
    flex-shrink: 0;
}

.stat-icon svg {
    width: 22px;
    height: 22px;
}

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

.stat-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* =========================================
   FORMULÁRIOS
   ========================================= */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group label .required {
    color: var(--error);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    padding: 0.7rem 0.9rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-muted);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Textarea */
textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* Select */
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1em;
    padding-right: 2.5rem;
}

/* Password toggle wrapper */
.input-group {
    position: relative;
}

.input-group .form-control {
    padding-right: 2.75rem;
}

.input-toggle-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
}

.input-toggle-btn:hover {
    color: var(--accent);
}

.input-toggle-btn svg {
    width: 18px;
    height: 18px;
}

/* Inline form row */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* =========================================
   ALERTAS / FLASH MESSAGES
   ========================================= */
.alert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1.1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
    animation: fadeInDown 0.3s ease both;
}

.alert svg {
    flex-shrink: 0;
}

.alert-success {
    background: var(--success-bg);
    border-left-color: var(--success);
    color: var(--success);
}

.alert-error, .alert-danger {
    background: var(--error-bg);
    border-left-color: var(--error);
    color: var(--error);
}

.alert-warning {
    background: var(--warning-bg);
    border-left-color: var(--warning);
    color: var(--warning);
}

.alert-info {
    background: var(--info-bg);
    border-left-color: var(--info);
    color: var(--info);
}

/* =========================================
   TABELAS
   ========================================= */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

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

.data-table th {
    padding: 0.85rem 1.25rem;
    background: var(--bg-surface-hover);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

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

.data-table .actions-cell {
    white-space: nowrap;
    text-align: right;
}

/* =========================================
   BADGES
   ========================================= */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

/* Role badges */
.badge-admin       { background: var(--accent-muted); color: var(--accent); border: 1px solid var(--border-accent); }
.badge-advogado    { background: var(--info-bg); color: var(--info); }
.badge-estagiario  { background: rgba(139, 92, 246, 0.1); color: #a78bfa; }
.badge-secretaria  { background: rgba(236, 72, 153, 0.1); color: #f472b6; }
.badge-cliente     { background: var(--bg-surface-hover); color: var(--text-secondary); border: 1px solid var(--border); }

/* Status badges */
.badge-ativo    { background: var(--success-bg); color: var(--success); }
.badge-pendente { background: var(--warning-bg); color: var(--warning); }
.badge-inativo  { background: var(--error-bg); color: var(--error); }
.badge-success  { background: var(--success-bg); color: var(--success); }
.badge-info     { background: var(--info-bg); color: var(--info); }
.badge-warning  { background: var(--warning-bg); color: var(--warning); }
.badge-danger   { background: var(--error-bg); color: var(--error); }

/* =========================================
   ACTION BUTTONS (tabelas)
   ========================================= */
.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.action-btn svg {
    width: 16px;
    height: 16px;
}

.action-btn:hover {
    transform: translateY(-1px);
}

.action-btn.action-view:hover    { background: var(--info-bg); color: var(--info); border-color: var(--info); }
.action-btn.action-edit:hover    { background: var(--accent-muted); color: var(--accent); border-color: var(--accent); }
.action-btn.action-delete:hover  { background: var(--error-bg); color: var(--error); border-color: var(--error); }
.action-btn.action-approve:hover { background: var(--success-bg); color: var(--success); border-color: var(--success); }

/* =========================================
   PAGE HEADER
   ========================================= */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    margin: 0;
}

.page-header-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* =========================================
   GRID LAYOUTS
   ========================================= */
.grid-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

@media (max-width: 900px) {
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* =========================================
   EMPTY STATES
   ========================================= */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    opacity: 0.3;
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-family: var(--font-sans);
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 0.9rem;
    max-width: 400px;
    margin: 0 auto 1.5rem;
}

/* =========================================
   LOADING
   ========================================= */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.spin-icon {
    animation: spin 1s linear infinite;
}

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

.skeleton-text {
    height: 14px;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: 1rem;
}

.skeleton-card {
    height: 120px;
}

/* =========================================
   TOOLTIPS (simple)
   ========================================= */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    background: var(--bg-elevated);
    color: var(--text-primary);
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

[data-tooltip]:hover::after {
    opacity: 1;
}