/* ====================================
   CRM OPUS - Design System
   Modern Glassmorphism Theme
   ==================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --primary-light: #818cf8;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* Secondary Colors */
    --secondary: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Neutral Colors */
    --bg-primary: #f0f4f8;
    --bg-secondary: #e2e8f0;
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.25);

    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;

    --border-color: rgba(255, 255, 255, 0.18);
    --border-light: #e2e8f0;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.15);

    /* Sizing */
    --sidebar-width: 280px;
    --header-height: 70px;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ====================================
   Glass Morphism Components
   ==================================== */

.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-glass);
}

.glass-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

/* ====================================
   Layout Components
   ==================================== */

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.sidebar-logo {
    padding: 16px;
    text-align: center;
    margin-bottom: 24px;
    overflow: hidden;
}

.sidebar-logo img {
    max-height: 48px;
    max-width: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.nav-item.active {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-md);
    font-weight: 600;
}

.nav-item svg,
.nav-item i {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-footer {
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
    margin-top: auto;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 24px 32px;
    min-height: 100vh;
    transition: margin-left var(--transition-normal);
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 4px;
}

/* ====================================
   Buttons
   ==================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(102, 126, 234, 0.39);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px 0 rgba(102, 126, 234, 0.5);
}

.btn-secondary {
    background: white;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

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

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

.btn-success:hover {
    background: #059669;
}

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

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

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

/* ====================================
   Form Elements
   ==================================== */

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--text-primary);
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

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

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

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' 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 12px center;
    background-size: 16px;
    padding-right: 40px;
}

/* ====================================
   Cards & Stats
   ==================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: var(--primary-gradient);
    opacity: 0.1;
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: 12px;
    color: white;
    margin-bottom: 16px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.stat-trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8125rem;
    font-weight: 600;
    margin-top: 8px;
    padding: 4px 8px;
    border-radius: 20px;
}

.stat-trend.up {
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.stat-trend.down {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* ====================================
   Tables
   ==================================== */

.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.data-table th {
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.02);
    white-space: nowrap;
}

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

.data-table tbody tr:hover {
    background: rgba(102, 126, 234, 0.04);
}

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

/* ====================================
   Modal
   ==================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
    margin: 16px;
}

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
}

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

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

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

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--border-light);
}

/* ====================================
   Kanban Board
   ==================================== */

.kanban-container {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 16px;
    min-height: calc(100vh - 200px);
}

.kanban-column {
    flex: 0 0 300px;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 200px);
}

.kanban-column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--border-light);
}

.kanban-column-title {
    font-weight: 600;
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.kanban-column-count {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

.kanban-column-body {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.kanban-card {
    background: white;
    border-radius: var(--border-radius-sm);
    padding: 14px;
    box-shadow: var(--shadow-sm);
    cursor: grab;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

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

.kanban-card.dragging {
    opacity: 0.5;
    transform: rotate(3deg);
}

.kanban-card-title {
    font-weight: 600;
    font-size: 0.9375rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.kanban-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.kanban-card-value {
    color: var(--success);
    font-weight: 600;
}

.kanban-add-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    margin: 0 12px 12px;
    border: 2px dashed var(--border-light);
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.kanban-add-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(102, 126, 234, 0.05);
}

/* Card entregue - verde claro, sem efeito vermelho */
.kanban-card.work-delivered {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.08) 100%);
    border: 1px solid rgba(16, 185, 129, 0.3);
    animation: none !important;
}

.kanban-card.work-delivered::before {
    display: none !important;
}

.kanban-card.work-delivered:hover {
    border-color: var(--success);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

/* ====================================
   Badges & Tags
   ==================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
}

.badge-primary {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

/* ====================================
   Toast Notifications
   ==================================== */

.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: white;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 0.875rem;
}

.toast-message {
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

/* ====================================
   Login Page
   ==================================== */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -200px;
    right: -200px;
}

.login-container::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    bottom: -100px;
    left: -100px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 40px;
    position: relative;
    z-index: 1;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo img {
    max-height: 56px;
    width: auto;
}

.login-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.login-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 0.9375rem;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form .btn-primary {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
}

/* ====================================
   Mobile Hamburger Menu
   ==================================== */

.hamburger {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 200;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: white;
    border: none;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 50;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.sidebar-overlay.active {
    opacity: 1;
}

/* ====================================
   Loading States
   ==================================== */

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ====================================
   Empty States
   ==================================== */

.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--text-secondary);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state-text {
    max-width: 300px;
    margin: 0 auto 24px;
}

/* ====================================
   Responsive Design
   ==================================== */

@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .main-content {
        padding: 24px 20px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .sidebar-overlay {
        display: block;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 80px 16px 24px;
    }

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

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .kanban-column {
        flex: 0 0 280px;
    }

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

    /* Table to Cards on Mobile */
    .data-table thead {
        display: none;
    }

    .data-table tbody tr {
        display: block;
        padding: 16px;
        margin-bottom: 12px;
        background: white;
        border-radius: var(--border-radius-sm);
        box-shadow: var(--shadow-sm);
    }

    .data-table tbody td {
        display: flex;
        justify-content: space-between;
        padding: 8px 0;
        border-bottom: 1px solid var(--border-light);
    }

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

    .data-table tbody td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-secondary);
    }
}

@media (max-width: 480px) {

    /* Login Mobile - Tela maior e mais confortável */
    .login-container {
        padding: 16px;
    }

    .login-card {
        padding: 32px 24px;
        border-radius: 20px;
    }

    .login-logo {
        margin-bottom: 28px;
    }

    .login-logo img {
        max-height: 64px;
    }

    .login-title {
        font-size: 1.75rem;
        margin-bottom: 10px;
    }

    .login-subtitle {
        font-size: 1rem;
        margin-bottom: 28px;
    }

    .login-form .form-group {
        margin-bottom: 24px;
    }

    .login-form .form-label {
        font-size: 1rem;
        margin-bottom: 10px;
    }

    .login-form .form-control {
        padding: 16px 18px;
        font-size: 1.0625rem;
        border-radius: 12px;
    }

    .login-form .btn-primary {
        padding: 18px;
        font-size: 1.125rem;
        border-radius: 12px;
        margin-top: 8px;
    }

    .kanban-column {
        flex: 0 0 260px;
    }

    .btn {
        padding: 12px 16px;
    }

    .stat-card {
        padding: 20px;
    }

    .stat-value {
        font-size: 1.75rem;
    }
}

/* ====================================
   Utility Classes
   ==================================== */

.text-center {
    text-align: center;
}

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

.text-primary {
    color: var(--primary) !important;
}

.text-success {
    color: var(--success) !important;
}

.text-danger {
    color: var(--danger) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.mt-1 {
    margin-top: 8px;
}

.mt-2 {
    margin-top: 16px;
}

.mt-3 {
    margin-top: 24px;
}

.mt-4 {
    margin-top: 32px;
}

.mb-1 {
    margin-bottom: 8px;
}

.mb-2 {
    margin-bottom: 16px;
}

.mb-3 {
    margin-bottom: 24px;
}

.mb-4 {
    margin-bottom: 32px;
}

.d-flex {
    display: flex;
}

.align-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-1 {
    gap: 8px;
}

.gap-2 {
    gap: 16px;
}

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* ====================================
   Checkbox Prévia Enviada
   ==================================== */

.preview-sent-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding: 8px 10px;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preview-sent-checkbox:hover {
    background: rgba(102, 126, 234, 0.1);
}

.preview-sent-checkbox input[type="checkbox"] {
    display: none;
}

.preview-sent-checkbox .checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--text-muted);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.preview-sent-checkbox input:checked+.checkmark {
    background: var(--success);
    border-color: var(--success);
}

.preview-sent-checkbox input:checked+.checkmark::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.preview-sent-checkbox .checkbox-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.preview-sent-checkbox input:checked~.checkbox-label {
    color: var(--success);
}

/* Card com prévia enviada */
.kanban-card.preview-sent {
    border-left: 3px solid var(--success);
}

/* Botão de filtro */
.filter-unsent-btn {
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.filter-unsent-btn:hover {
    background: rgba(102, 126, 234, 0.2);
}

.filter-unsent-btn.active {
    background: var(--primary);
    color: white;
}

/* Ajuste na busca do kanban para acomodar filtro */
.kanban-column-search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
}