/* Variáveis CSS para temas */
:root {
    /* Cores do tema escuro */
    --dark-bg: #121212;
    --dark-surface: #1e1e1e;
    --dark-surface-2: #2a2a2a;
    --dark-border: #404040;
    --dark-text: #ffffff;
    --dark-text-secondary: #b0b0b0;

    /* Cores do tema claro */
    --light-bg: #f8f9fa;
    --light-surface: #ffffff;
    --light-surface-2: #f0f0f0;
    --light-border: #dee2e6;
    --light-text: #212529;
    --light-text-secondary: #495057;

    /* Cores de status */
    --success: #198754;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #0dcaf0;
    --primary: #0d6efd;
}

/* Tema escuro */
body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

/* Toast customizado */
.toast {
    background-color: rgba(33, 37, 41, 0.95) !important;
    border: none !important;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.3) !important;
    backdrop-filter: blur(10px);
    min-width: 300px;
}

.toast.bg-success { background-color: rgba(25, 135, 84, 0.95) !important; }
.toast.bg-danger { background-color: rgba(220, 53, 69, 0.95) !important; }
.toast.bg-warning { background-color: rgba(255, 193, 7, 0.95) !important; }
.toast.bg-info { background-color: rgba(13, 202, 240, 0.95) !important; }

.toast-body {
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    line-height: 1.4;
}

.toast-body i {
    margin-right: 8px;
}

.toast .btn-close {
    padding: 0.75rem;
    margin: 0;
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Layout das colunas do Kanban */
.kanban-column {
    background: var(--dark-surface);
    padding: 15px;
    border-radius: 10px;
    min-height: 400px;
    border: 1px solid var(--dark-border);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.kanban-card-concluido {
    background: rgba(25, 135, 84, 0.1) !important;
    box-shadow: 0 4px 12px rgba(25, 135, 84, 0.2) !important;
    border-color: var(--success) !important;
}

body:not(.dark-mode) .kanban-card-concluido {
    background: rgba(25, 135, 84, 0.05) !important;
    box-shadow: 0 4px 12px rgba(25, 135, 84, 0.15) !important;
}

.kanban-card-concluido .card-header h5 {
    color: var(--success);
}

/* Cartões do Kanban */
.kanban-card {
    background: var(--dark-surface-2);
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 10px;
    color: var(--dark-text);
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    border: 2px solid var(--dark-border);
}

.kanban-card-baixa {
    border-color: var(--success);
}

.kanban-card-média {
    border-color: var(--warning);
}

.kanban-card-alta {
    border-color: #fd7e14;
}

.kanban-card-urgente {
    border-color: var(--danger);
}

.kanban-card:hover {
    transform: scale(1.02);
    box-shadow: 3px 3px 15px rgba(0, 0, 0, 0.4);
}

.kanban-card:focus-within {
    outline: 2px solid var(--primary);
}

/* Card Header */
.card-header {
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--dark-border);
}

.card-header h5 {
    margin-bottom: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
}

/* Autor com avatar */
.autor {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--dark-text-secondary);
}

.autor img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--dark-border);
    transition: transform 0.2s ease;
}

.autor img:hover {
    transform: scale(1.1);
}

/* Card Content */
.card-content {
    margin-bottom: 15px;
}

.card-content p {
    margin-bottom: 10px;
    line-height: 1.5;
}

/* BADGES - Urgência */
.badge {
    padding: 6px 12px;
    font-size: 0.9rem;
    border-radius: 5px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
    margin-top: 10px;
}

.badge.baixa { background-color: var(--success); color: white; }
.badge.média { background-color: var(--warning); color: black; }
.badge.alta { background-color: #fd7e14; color: white; }
.badge.urgente { background-color: var(--danger); color: white; }

.badge i {
    font-size: 1rem;
}

/* Card Actions */
.card-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--dark-border);
    margin-top: 15px;
}

.reactions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.reactions button {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 8px;
    font-size: 0.9rem;
}

.reactions button i {
    font-size: 0.9rem;
}

.reactions .badge {
    margin-top: 0;
    font-size: 0.8rem;
    padding: 3px 6px;
}

.admin-actions {
    display: flex;
    gap: 8px;
}

.admin-actions button {
    flex: 1;
    font-size: 0.9rem;
}

/* Container de login */
.login-container {
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--dark-surface);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--dark-border);
}

/* Estilização do modal */
.modal-content {
    background-color: var(--dark-surface-2);
    border-radius: 10px;
    border: 1px solid var(--dark-border);
}

.modal-header { border-bottom: 1px solid var(--dark-border); }
.modal-footer { border-top: 1px solid var(--dark-border); }

/* Formulários */
.form-control,
.form-select {
    background-color: var(--dark-surface-2);
    border: 1px solid var(--dark-border);
    color: var(--dark-text);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--dark-surface);
    border-color: var(--primary);
    color: var(--dark-text);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

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

/* Botão close */
.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Breadcrumb */
.breadcrumb {
    background-color: transparent;
    padding: 0.75rem 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.breadcrumb-item a {
    color: var(--primary);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    color: var(--primary);
    opacity: 0.8;
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: var(--dark-text-secondary);
}

/* Comentários */
.comentario {
    background: var(--dark-surface);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.comentario .autor {
    margin-bottom: 8px;
}

.comentario .autor img {
    width: 32px;
    height: 32px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.comentario small {
    color: var(--dark-text-secondary);
    font-size: 0.85rem;
}

.comentario p {
    margin: 8px 0 0 0;
}

/* Alerta de Recusa */
.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.2);
    color: var(--danger);
    padding: 10px;
    border-radius: 5px;
    margin-top: 10px;
}

.alert-danger i {
    margin-right: 5px;
}

.alert-danger small {
    display: block;
    margin-top: 5px;
    color: inherit;
    opacity: 0.9;
}

/* Elementos interativos */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Links */
a {
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    text-decoration: underline;
}

/* Botões */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.2s ease;
}

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

/* Animações */
.fade { transition: opacity 0.15s linear; }
.modal.fade .modal-dialog { transition: transform 0.2s ease-out; }

/* Skip link para acessibilidade */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: 8px;
    z-index: 100;
    transition: top 0.2s ease;
}

.skip-link:focus { top: 0; }

/* Validação de formulários */
.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: var(--success);
    background-color: rgba(25, 135, 84, 0.1);
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: var(--danger);
    background-color: rgba(220, 53, 69, 0.1);
}

/* Tema claro */
body:not(.dark-mode) {
    background-color: var(--light-bg);
    color: var(--light-text);
}

body:not(.dark-mode) .kanban-column,
body:not(.dark-mode) .login-container,
body:not(.dark-mode) .comentario {
    background: var(--light-surface);
    border: 1px solid var(--light-border);
}

body:not(.dark-mode) .kanban-card {
    background: var(--light-surface);
    color: var(--light-text);
    border: 1px solid var(--light-border);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

body:not(.dark-mode) .form-control,
body:not(.dark-mode) .form-select {
    background-color: var(--light-surface-2);
    border: 1px solid var(--light-border);
    color: var(--light-text);
}

body:not(.dark-mode) .form-control:focus,
body:not(.dark-mode) .form-select:focus {
    background-color: var(--light-surface);
    border-color: var(--primary);
    color: var(--light-text);
}

body:not(.dark-mode) .modal-content {
    background-color: var(--light-surface);
}

body:not(.dark-mode) .form-text,
body:not(.dark-mode) .card-header small,
body:not(.dark-mode) .breadcrumb-item.active {
    color: var(--light-text-secondary);
}

body:not(.dark-mode) .alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

body:not(.dark-mode) .autor img {
    border-color: var(--light-border);
}

/* Dropdown do usuário */
.dropdown-toggle {
    padding: 8px 16px;
    border: 1px solid var(--primary);
    background-color: var(--primary);
    color: white;
}

.dropdown-toggle:hover,
.dropdown-toggle:focus {
    background-color: var(--primary);
    border-color: var(--primary);
    opacity: 0.9;
}

.dropdown-toggle img {
    border: 2px solid white;
    transition: transform 0.2s ease;
}

.dropdown-toggle:hover img {
    transform: scale(1.1);
}

.dropdown-menu {
    background-color: var(--dark-surface);
    border: 1px solid var(--dark-border);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    min-width: 200px;
}

.dropdown-item {
    color: var(--dark-text);
    padding: 8px 16px;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--dark-surface-2);
    color: var(--primary);
}

.dropdown-item.text-danger:hover {
    background-color: rgba(220, 53, 69, 0.1);
}

.dropdown-divider {
    border-color: var(--dark-border);
}

/* Tema claro - Dropdown */
body:not(.dark-mode) .dropdown-menu {
    background-color: var(--light-surface);
    border-color: var(--light-border);
}

body:not(.dark-mode) .dropdown-item {
    color: var(--light-text);
}

body:not(.dark-mode) .dropdown-item:hover {
    background-color: rgba(13, 110, 253, 0.1);
}

body:not(.dark-mode) .dropdown-divider {
    border-color: var(--light-border);
}

/* Responsividade */
@media (max-width: 768px) {
    .container { padding: 10px; }
    .kanban-column { margin-bottom: 20px; }
    .modal-dialog { margin: 10px; }
    .toast {
        width: 90%;
        max-width: none;
        margin: 0 auto;
    }
    .card-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .reactions {
        justify-content: space-around;
    }
    .admin-actions {
        flex-direction: column;
    }
    .admin-actions button {
        width: 100%;
    }
}

/* Alto contraste */
@media (forced-colors: active) {
    .btn,
    .form-control,
    .form-select,
    .modal-content,
    .kanban-card {
        border: 2px solid ButtonText;
    }
    .reactions button,
    .admin-actions button {
        border: 2px solid ButtonText;
    }
    .comentario {
        border: 1px solid ButtonText;
    }
    :focus {
        outline: 2px solid Highlight;
    }
    .autor img,
    .dropdown-toggle img {
        border: 2px solid ButtonText;
    }
    .dropdown-menu {
        border: 1px solid ButtonText;
    }
}