/* Variáveis CSS para modo claro/escuro */
:root {
    /* Cores do modo claro */
    --bg-primary: #f4f4f4;
    --bg-secondary: #fff;
    --text-primary: #333;
    --text-secondary: #666;
    --header-bg: #333;
    --header-text: #fff;
    --border-color: #ddd;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --character-bg: #f9f9f9;
    --checkbox-bg: #f8f9fa;
    --checkbox-border: #ccc;
    
    /* Cores das mensagens flash melhoradas */
    --success-bg: #d4edda;
    --success-text: #155724;
    --success-border: #c3e6cb;
    
    --danger-bg: #f8d7da;
    --danger-text: #721c24;
    --danger-border: #f5c6cb;
    
    --warning-bg: #fff3cd;
    --warning-text: #856404;
    --warning-border: #ffeaa7;
    
    --info-bg: #d1ecf1;
    --info-text: #0c5460;
    --info-border: #bee5eb;
}

/* Modo escuro */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --header-bg: #000000;
    --header-text: #ffffff;
    --border-color: #444;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    --character-bg: #3a3a3a;
    --checkbox-bg: #444;
    --checkbox-border: #666;
    
    /* Cores das mensagens flash no modo escuro */
    --success-bg: #1e4a2e;
    --success-text: #75b798;
    --success-border: #2d5a3f;
    
    --danger-bg: #4a1e1e;
    --danger-text: #f5a3a3;
    --danger-border: #5a2d2d;
    
    --warning-bg: #4a3e1e;
    --warning-text: #f5d3a3;
    --warning-border: #5a4d2d;
    
    --info-bg: #1e3a4a;
    --info-text: #a3d5f5;
    --info-border: #2d4a5a;
}

body {
    font-family: Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Classe para animação durante transição de tema */
body.theme-transitioning * {
    transition: none !important;
}

/* Botão de alternar modo escuro */
.theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-primary);
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: block;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: block;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: none;
}

header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 1rem 0;
    text-align: center;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Garantir que o texto do header seja sempre visível no modo escuro */
[data-theme="dark"] header {
    background-color: var(--header-bg);
    color: var(--header-text) !important;
}

[data-theme="dark"] header h1,
[data-theme="dark"] header h2,
[data-theme="dark"] header h3,
[data-theme="dark"] header h4,
[data-theme="dark"] header h5,
[data-theme="dark"] header h6 {
    color: var(--header-text) !important;
}

[data-theme="dark"] header p,
[data-theme="dark"] header span,
[data-theme="dark"] header div {
    color: var(--header-text) !important;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: var(--header-text);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

main {
    flex: 1;
    padding: 20px;
    max-width: 800px;
    margin: 20px auto;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.form-container {
    padding: 20px;
}

h1, h2 {
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 20px;
    transition: color 0.3s ease;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="text"],
.form-group input[type="number"] {
    width: calc(100% - 20px);
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-sizing: border-box;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.form-group input[type="checkbox"] {
    margin-right: 5px;
}

.btn {
    background-color: #007bff;
    color: #fff;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    transition: opacity 0.3s ease;
}

.btn-primary {
    background-color: #007bff;
}

.btn-danger {
    background-color: #dc3545;
}

.btn:hover {
    opacity: 0.9;
}

/* Mensagens flash melhoradas com melhor contraste */
.flash-messages {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.flash-messages li {
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
    font-weight: 500;
    border: 1px solid;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.flash-messages li::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: currentColor;
    opacity: 0.3;
}

.flash-messages .success {
    background-color: var(--success-bg);
    color: var(--success-text);
    border-color: var(--success-border);
}

.flash-messages .danger {
    background-color: var(--danger-bg);
    color: var(--danger-text);
    border-color: var(--danger-border);
}

.flash-messages .warning {
    background-color: var(--warning-bg);
    color: var(--warning-text);
    border-color: var(--warning-border);
}

.flash-messages .info {
    background-color: var(--info-bg);
    color: var(--info-text);
    border-color: var(--info-border);
}

/* Estilos para alertas do Bootstrap (caso sejam usados) */
.alert {
    border: 1px solid;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    font-weight: 500;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: currentColor;
    opacity: 0.3;
}

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

.alert-danger {
    background-color: var(--danger-bg);
    color: var(--danger-text);
    border-color: var(--danger-border);
}

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

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

.character-list {
    list-style: none;
    padding: 0;
}

.character-item {
    background-color: var(--character-bg);
    border: 1px solid var(--border-color);
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.character-item span {
    font-weight: bold;
    color: var(--text-primary);
}

.character-details p {
    margin-bottom: 10px;
    color: var(--text-primary);
}

.character-details strong {
    font-weight: bold;
    color: #007bff;
}

footer {
    background-color: var(--header-bg);
    color: var(--header-text);
    text-align: center;
    padding: 1rem 0;
    margin-top: auto;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Garantir que o texto do footer seja sempre visível no modo escuro */
[data-theme="dark"] footer {
    background-color: var(--header-bg);
    color: var(--header-text) !important;
}

[data-theme="dark"] footer p,
[data-theme="dark"] footer span,
[data-theme="dark"] footer div {
    color: var(--header-text) !important;
}

.error-message {
    color: #dc3545;
    font-size: 0.9em;
    margin-top: 5px;
}

.checkbox-days label {
    display: inline-block;
    margin: 0 8px 6px 0;
    padding: 6px 12px;
    border: 1px solid var(--checkbox-border);
    border-radius: 20px;
    cursor: pointer;
    background-color: var(--checkbox-bg);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

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

.checkbox-days input[type="checkbox"]:checked + label {
    background-color: #007bff;
    color: white;
    border-color: #007bff;
}

/* Ajustes para elementos do Bootstrap no modo escuro */
[data-theme="dark"] .navbar {
    background-color: var(--header-bg) !important;
}

[data-theme="dark"] .navbar-dark .navbar-nav .nav-link {
    color: var(--header-text) !important;
}

[data-theme="dark"] .dropdown-menu {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-primary);
}

[data-theme="dark"] .dropdown-item:hover {
    background-color: var(--character-bg);
}

[data-theme="dark"] .table {
    color: var(--text-primary);
}

[data-theme="dark"] .table td,
[data-theme="dark"] .table th {
    border-color: var(--border-color);
}

[data-theme="dark"] .card {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .card-body {
    color: var(--text-primary);
}

[data-theme="dark"] .card-header {
    background-color: var(--character-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .list-group-item {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .list-group-item:hover {
    background-color: var(--character-bg);
}

[data-theme="dark"] .text-muted {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .badge {
    background-color: var(--character-bg);
    color: var(--text-primary);
}

[data-theme="dark"] .badge.bg-warning {
    background-color: var(--warning-bg) !important;
    color: var(--warning-text) !important;
}

[data-theme="dark"] .badge.bg-info {
    background-color: var(--info-bg) !important;
    color: var(--info-text) !important;
}

/* Regras adicionais para garantir visibilidade no modo escuro */
[data-theme="dark"] p {
    color: var(--text-primary) !important;
}

[data-theme="dark"] span {
    color: var(--text-primary) !important;
}

[data-theme="dark"] div {
    color: var(--text-primary);
}

[data-theme="dark"] small {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] strong {
    color: var(--text-primary) !important;
}

[data-theme="dark"] em {
    color: var(--text-primary) !important;
}

[data-theme="dark"] li {
    color: var(--text-primary) !important;
}

[data-theme="dark"] a {
    color: var(--text-primary);
}

[data-theme="dark"] a:hover {
    color: #007bff;
}

[data-theme="dark"] label {
    color: var(--text-primary) !important;
}

[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    color: var(--text-primary) !important;
    background-color: var(--bg-secondary) !important;
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-secondary) !important;
}

/* Garantir que elementos específicos do Bootstrap tenham cores corretas */
[data-theme="dark"] .text-dark {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .text-light {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .bg-light {
    background-color: var(--bg-secondary) !important;
}

[data-theme="dark"] .bg-dark {
    background-color: var(--header-bg) !important;
}

/* Melhorias para acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}

/* Responsividade para o botão de tema */
@media (max-width: 768px) {
    .theme-toggle {
        bottom: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}

/* Animações suaves para transições */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Estilos para o sino de notificação */
.notification-bell {
    color: #6c757d;
    transition: all 0.3s ease;
    cursor: pointer;
}

.notification-bell.ringing {
    animation: bellRing 0.5s ease-in-out infinite;
    color: #dc3545;
}

.notification-badge {
    position: relative;
    top: -8px;
    right: 5px;
    font-size: 0.75rem;
    animation: pulse 2s infinite;
}

@keyframes bellRing {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(10deg);
    }
    75% {
        transform: rotate(-10deg);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Modo escuro para o sino */
[data-theme="dark"] .notification-bell {
    color: #adb5bd;
}

[data-theme="dark"] .notification-bell.ringing {
    color: #ff6b6b;
}