/* Variáveis CSS para um design limpo e moderno */
:root {
    --primary-color: #2b6cb0; /* Azul médico */
    --primary-hover: #2c5282;
    --success-color: #48bb78;
    --error-color: #f56565;
    --bg-color: #f7fafc;
    --text-color: #2d3748;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --star-color: #ecc94b;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    background-color: var(--card-bg);
    width: 100%;
    max-width: 600px;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

h1, h2, h3 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary-color);
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
}

input[type="text"]:focus, input[type="password"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.2);
}

.btn {
    display: block;
    width: 100%;
    padding: 14px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.btn-secondary {
    background-color: #718096;
}
.btn-secondary:hover {
    background-color: #4a5568;
}

.btn-danger {
    background-color: var(--error-color);
}
.btn-danger:hover {
    background-color: #c53030;
}

.hidden {
    display: none !important;
}

/* Quiz UI */
.option-btn {
    display: block;
    width: 100%;
    padding: 15px;
    margin-bottom: 15px;
    background-color: #fff;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
}

.option-btn:hover {
    border-color: var(--primary-color);
    background-color: #ebf8ff;
}

.option-btn.correct {
    background-color: #f0fff4;
    border-color: var(--success-color);
    color: #276749;
}

.option-btn.wrong {
    background-color: #fff5f5;
    border-color: var(--error-color);
    color: #9b2c2c;
}

.option-btn:disabled {
    cursor: not-allowed;
    opacity: 0.8;
}

/* Animação Estrela */
.star-container {
    text-align: center;
    font-size: 60px;
    color: var(--star-color);
    margin: 20px 0;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.star-container.show {
    opacity: 1;
    transform: scale(1);
}

/* Admin UI adjustments */
.admin-container {
    max-width: 900px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

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

table th {
    background-color: #edf2f7;
}

.flex-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    color: #fff;
}
.badge-ativo { background-color: var(--success-color); }
.badge-inativo { background-color: #a0aec0; }

.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}