/* Tổng thể trang đăng nhập/đăng ký */

/* ── LỚP PHỦ MÀU ĐỎ (OVERLAY) ── */
.hero-overlay {
    position: fixed;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 50% 0%,   rgba(255,0,0,0.2) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(255,183,0,0.1) 0%, transparent 60%),
        linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(5,0,10,0.9) 100%);
    z-index: 1;
    pointer-events: none;
}

body.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
}

/* Thẻ card bao quanh Form */
.auth-card {
    width: 100%;
    max-width: 450px;
    background: rgba(10, 10, 10, 0.85); /* Nền tối mờ */
    backdrop-filter: blur(15px); /* Hiệu ứng kính mờ */
    border: 1px solid rgba(255, 149, 0, 0.3);
    border-radius: 20px;
    padding: 50px 40px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
    position: relative;
    z-index: 10;
    text-align: center; /* Tiêu đề căn giữa */
}

/* Nút quay lại */
.back-home {
    position: absolute;
    top: 20px;
    left: 20px;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 13px;
    font-family: 'Orbitron', sans-serif;
    transition: 0.3s;
}
.back-home:hover { color: var(--gold-1); }

/* Header bên trong Card */
.auth-header h1 {
    font-family: 'Orbitron', sans-serif;
    color: var(--gold-1);
    font-size: 32px;
    margin-bottom: 10px;
    text-transform: uppercase;
}
.auth-header p {
    color: #888;
    font-size: 14px;
    margin-bottom: 35px;
}

/* Căn chỉnh Form */
.auth-form {
    text-align: left; /* Trả lại căn lề trái cho nhãn và input */
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    margin-bottom: 10px;
    font-family: 'Orbitron', sans-serif;
    font-size: 13px;
    color: var(--gold-1);
    letter-spacing: 1px;
}

/* Ô nhập liệu và Icon */
.input-wrapper {
    position: relative;
    width: 100%;
}

.input-wrapper i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gold-1);
    opacity: 0.7;
    font-size: 16px;
}

.form-control {
    width: 100% !important;
    height: 55px !important;
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 149, 0, 0.2) !important;
    border-radius: 12px !important;
    padding: 0 20px 0 50px !important; /* Lùi chữ để nhường chỗ cho icon */
    color: #fff !important;
    font-family: 'Prompt', sans-serif;
    font-size: 15px;
    transition: 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--gold-1) !important;
    background: rgba(255, 149, 0, 0.1) !important;
    box-shadow: 0 0 15px rgba(255, 149, 0, 0.2);
}

/* Nút bấm Đăng nhập / Đăng ký */
.btn-login-submit, .btn-register-submit {
    width: 100%;
    height: 55px;
    background: linear-gradient(135deg, #ff9500, #ffcc00);
    color: #000;
    border: none;
    border-radius: 12px;
    font-family: 'Orbitron', sans-serif;
    font-weight: 800;
    font-size: 16px;
    cursor: pointer;
    margin-top: 10px;
    transition: 0.3s;
    text-transform: uppercase;
}

.btn-login-submit:hover, .btn-register-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 149, 0, 0.4);
    filter: brightness(1.1);
}

/* Phần chuyển đổi Đăng nhập / Đăng ký */
.signup-wrapper, .login-wrapper {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #888;
    font-size: 14px;
}

.signup-link, .login-link {
    color: var(--gold-1);
    text-decoration: none;
    font-weight: 700;
}
/* Style đồng bộ cho nút Login & Register */
.btn-auth-submit {
    width: 100%;
    padding: 15px;
    margin-top: 20px;
    border: none;
    border-radius: 4px;
    background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
    color: #fff;
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: 0.3s all ease;
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-auth-submit:hover {
    transform: translateY(-2px);
    filter: brightness(1.2);
    box-shadow: 0 8px 25px rgba(255, 0, 0, 0.5);
}

.btn-auth-submit i {
    font-size: 18px;
}