/**
 * CSS Organizado e Melhorado
 * Pódio do Aprovado - Estilos Refatorados
 * Nota: Herda variáveis CSS definidas no styles.css principal
 */

/* ===== COMPONENTES ESPECÍFICOS ===== */
/* Utiliza variáveis já definidas em styles.css para evitar duplicação */

/* ===== SKIP LINKS (ACESSIBILIDADE) ===== */
.skip-links {
    position: absolute;
    top: -40px;
    left: 0;
    right: 0;
    z-index: 10000;
    background: var(--bg-primary);
    text-align: center;
    transition: top var(--transition-base);
}

.skip-links.focused {
    top: 0;
}

.skip-link {
    display: inline-block;
    gap: var(--space-sm);
    padding: var(--space-md);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    margin: var(--space-sm);
}

.skip-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== BOTÕES MELHORADOS ===== */
.btn {
    /* Reset básico */
    appearance: none;
    border: none;
    background: none;
    
    /* Estilo base */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    
    /* Tipografia */
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    
    /* Dimensões */
    min-height: 44px;
    min-width: 44px;
    padding: var(--space-sm) var(--space-lg);
    
    /* Estilo visual */
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-base);
    
    /* Acessibilidade */
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

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

/* Estados de foco */
.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Variações de estilo */
.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* Tamanhos de botão */
.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    min-height: 36px;
}

.btn-lg {
    padding: var(--space-lg) var(--space-xl);
    font-size: 1.125rem;
    min-height: 52px;
}

/* ===== FORMULÁRIOS MELHORADOS ===== */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* ===== NOTIFICAÇÕES MELHORADAS ===== */
.notification-container {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 10000;
    pointer-events: none;
}

.notification {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    max-width: 400px;
    word-wrap: break-word;
}

.notification.show {
    transform: translateX(0);
}

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

.notification-error {
    background: var(--error-color);
    color: white;
}

.notification-warning {
    background: var(--warning-color);
    color: white;
}

.notification-info {
    background: var(--info-color);
    color: white;
}

.notification-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ===== MODAL ACTIONS (MANTIDO PARA COMPATIBILIDADE) ===== */
.modal-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

/* ===== INDICADORES DE LOADING ===== */
.global-loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    transition: opacity var(--transition-base);
}

.global-loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader-content {
    text-align: center;
    color: white;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== VALIDAÇÃO DE FORMULÁRIOS ===== */
.form-control.invalid {
    border-color: var(--error-color);
    background: rgba(231, 76, 60, 0.05);
}

.form-control.valid {
    border-color: var(--success-color);
    background: rgba(39, 174, 96, 0.05);
}

.form-error {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.form-success {
    color: var(--success-color);
    font-size: 0.875rem;
    margin-top: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* ===== ACESSIBILIDADE ===== */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Estados de foco melhorados */
*:focus-visible {
    outline: 2px solid var(--primary-color) !important;
    outline-offset: 2px !important;
}

/* Reduzir movimento para usuários sensíveis */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
    .skip-links {
        font-size: 0.875rem;
    }
    
    .btn {
        min-height: 48px;
        min-width: 48px;
    }
    
    .notification {
        margin: var(--space-sm);
        max-width: calc(100vw - 2 * var(--space-lg));
    }
}

/* ===== UTILITÁRIOS ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-success { color: var(--success-color); }
.text-error { color: var(--error-color); }
.text-warning { color: var(--warning-color); }
.text-info { color: var(--info-color); }

.bg-success { background-color: var(--success-color); }
.bg-error { background-color: var(--error-color); }
.bg-warning { background-color: var(--warning-color); }
.bg-info { background-color: var(--info-color); }