:root {
    --bg-color: #f4f6f8;
    --card-bg: #ffffff;
    --text-color: #000000;
    --text-secondary: #666;
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --border-color: #e5e7eb;
    --input-bg: #ffffff;
    --danger-color: #ef4444;
    --success-color: #10b981;
    --warning-color: #f59e0b;
}

[data-theme="dark"] {
    --bg-color: #000000;
    --card-bg: #1a1a1a;
    --text-color: #ffffff;
    --text-secondary: #a3a3a3;
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --border-color: #333333;
    --input-bg: #262626;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    display: flex;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    gap: 20px;
    /* Espaçamento consistente entre itens */
}

/* Removemos .brand e .nav-links antigos em favor de layout plano */
.header-item {
    display: flex;
    align-items: center;
}

.user-welcome {
    font-weight: 600;
    color: var(--text-color);
}

.push-right {
    margin-left: auto;
}


.page-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
    padding-left: 15px;
    border-left: 2px solid var(--border-color);
    /* Separador visual opcional */
}

.btn-logout {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.2s;
    background-color: transparent;
    border: 1px solid transparent;
}

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

/* Responsividade do Header */
@media (max-width: 768px) {
    header {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .page-title {
        border-left: none;
        padding-left: 0;
        width: 100%;
        text-align: center;
        order: -1;
        /* Título talvez no topo em mobile? Ou manter fluxo */
    }
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

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

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

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

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

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

/* Cards */
.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

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

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-secondary);
}

input,
select,
textarea {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--input-bg);
    color: var(--text-color);
    font-family: inherit;
    box-sizing: border-box;
}

input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    border-color: transparent;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    color: var(--text-secondary);
    font-weight: 600;
}

/* Utilities */
.hidden {
    display: none !important;
}

.flex {
    display: flex;
    gap: 10px;
}

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

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

.mt-4 {
    margin-top: 1rem;
}

/* Theme Toggle */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background-color: var(--border-color);
    transform: rotate(15deg);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Attendance Grid */
.attendance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.person-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: 8px;
}

.status-options {
    display: flex;
    gap: 5px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.status-btn {
    flex: 1;
    padding: 8px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
    border-radius: 4px;
    cursor: pointer;
}

.status-btn.active.presente {
    background: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.status-btn.active.ausente {
    background: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

.status-btn.active.atraso {
    background: var(--warning-color);
    color: black;
    border-color: var(--warning-color);
}



.extra-fields {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--border-color);
}

/* Loading */
.loader {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

    100% {
        transform: rotate(360deg);
    }
}

@media (max-width: 768px) {
    .attendance-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Global Modal System --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease-in-out;
    backdrop-filter: blur(2px);
}

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

/* Compatibilidade com modais antigos que usam classe .modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.modal-content {
    background: var(--card-bg);
    padding: 24px;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transform: scale(0.95);
    transition: transform 0.2s ease;
    border: 1px solid var(--border-color);
}

.modal-overlay.active .modal-content,
.modal:not(.hidden) .modal-content {
    transform: scale(1);
}

.modal-title {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.25rem;
    color: var(--text-color);
}

.modal-message {
    margin-bottom: 25px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Login Logo Switching */
.login-logo {
    display: block;
    margin: 0 auto 20px auto;
    max-width: 150px;
    height: auto;
}

.logo-light { display: block; }
.logo-dark { display: none; }

[data-theme="dark"] .logo-light { display: none; }
[data-theme="dark"] .logo-dark { display: block; }