:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --bg-color: #F3F4F6;
    --card-bg: #FFFFFF;
    --text-main: #111827;
    --text-muted: #6B7280;
    --border: #D1D5DB;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    padding: 2rem 1rem;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

header p {
    color: var(--text-muted);
    font-size: 1.125rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.hint {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

input[type="text"],
input[type="email"],
input[type="tel"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.horarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
}

.horario-item {
    display: flex;
    align-items: flex-start;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.horario-item:hover {
    background-color: #F9FAFB;
}

.horario-item input[type="checkbox"] {
    margin-top: 0.25rem;
    margin-right: 0.75rem;
    cursor: pointer;
}

.horario-info {
    display: flex;
    flex-direction: column;
}

.horario-data {
    font-weight: 600;
    font-size: 0.95rem;
}

.horario-hora {
    font-size: 0.85rem;
    color: var(--text-muted);
}

button[type="submit"] {
    width: 100%;
    background-color: var(--primary);
    color: white;
    padding: 0.875rem;
    border: none;
    border-radius: 6px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 1rem;
}

button[type="submit"]:hover {
    background-color: var(--primary-hover);
}

button[type="submit"]:disabled {
    background-color: var(--text-muted);
    cursor: not-allowed;
}

.hidden {
    display: none;
}

#mensagem {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 6px;
    text-align: center;
    font-weight: 500;
}

.msg-sucesso {
    background-color: #D1FAE5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.msg-erro {
    background-color: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FECACA;
}