/* index.css */

/* Reset cơ bản */
body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f9fafb;
    color: #333;
}

/* Header */
header {
    background-color: #2563eb;
    color: white;
    padding: 1rem;
    text-align: center;
    font-size: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Overlay nhập mật khẩu */
.password-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.password-container {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.password-container input {
    width: 88%;
    padding: 0.75rem;
    margin-top: 1rem;
    border: 1px solid #ccc;
    border-radius: 8px;
}

.password-container button {
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    background-color: #4f46e5;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}

.password-container p {
    margin-top: 0.5rem;
    color: red;
    font-size: 0.9rem;
}

/* Nội dung chính */
main {
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.form-container {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.input-group {
    margin-bottom: 1rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

input.mail {
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 1rem;
}

button.btn {
    width: 100%;
    padding: 0.75rem;
    background-color: #10b981;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button.btn:hover {
    background-color: #059669;
}

.notice {
    display: block;
    margin-top: 0.5rem;
    color: #f59e0b;
    font-size: 0.9rem;
    font-weight: 500;
}

.result {
    margin-top: 1.5rem;
    text-align: center;
}

.code {
    font-size: 1.5rem;
    font-weight: bold;
    color: #1f2937;
}

.loading {
    font-size: 1rem;
    color: #6b7280;
    margin-top: 0.5rem;
    display: block;
}