/* cc/public/style.css */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
    --primary-blue: #007bff; /* Biru utama untuk highlight */
    --secondary-blue: #0056b3; /* Biru lebih gelap untuk hover */
    --light-bg: #f8f9fa; /* Background halaman */
    --card-bg: #ffffff; /* Background form */
    --text-dark: #343a40; /* Teks gelap */
    --text-medium: #6c757d; /* Teks sedang */
    --border-color: #dee2e6; /* Warna border input */
    --focus-shadow: rgba(0, 123, 255, 0.25); /* Shadow saat input focus */
    --alert-success-bg: #d4edda;
    --alert-success-text: #155724;
    --alert-error-bg: #f8d7da;
    --alert-error-text: #721c24;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--light-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
}

.registration-container {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 450px;
    overflow: hidden;
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.header-section {
    background-image: linear-gradient(135deg, #2a9d8f, #264653);
    color: white;
    padding: 30px 40px;
    text-align: center;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.form-title { margin: 0; font-size: 28px; font-weight: 700; letter-spacing: 0.5px; }
.form-subtitle { margin: 8px 0 0; font-size: 16px; font-weight: 400; opacity: 0.9; }

form {
    padding: 30px 40px;
}

/* Alert untuk Success dan Error */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 8px;
    font-size: 14px;
    list-style-position: inside; /* Agar bullet point rapi */
}
.alert ul {
    margin: 0;
    padding-left: 5px;
}
.alert.alert-success {
    background-color: var(--alert-success-bg);
    color: var(--alert-success-text);
}
.alert.alert-error {
    background-color: var(--alert-error-bg);
    color: var(--alert-error-text);
}


.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 8px; color: var(--text-dark); }
.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 15px;
    color: var(--text-dark);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input::placeholder { color: var(--text-medium); opacity: 0.7; }
.form-group input:focus {
    border-color: var(--primary-blue);
    outline: none;
    box-shadow: 0 0 0 3px var(--focus-shadow);
}
.form-group input[type="date"] { appearance: none; -webkit-appearance: none; -moz-appearance: none; background-color: var(--card-bg); color: var(--text-dark); }
.form-group input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(0.5) sepia(1) saturate(5) hue-rotate(170deg) brightness(0.8); cursor: pointer; }

.submit-btn {
    width: 100%;
    padding: 14px 20px;
    font-size: 17px;
    font-weight: 600;
    color: white;
    background-image: linear-gradient(45deg, var(--primary-blue), #00aaff);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}
.submit-btn:hover {
    background-image: linear-gradient(45deg, var(--secondary-blue), #0088cc);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
    transform: translateY(-2px);
}
.submit-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(0, 123, 255, 0.2);
}