/**
 * Gopvonvietlott.com
 * Phát triển bởi: MDDev
 */

:root {
    --primary: #ffc107;
    --primary-dark: #ff9800;
    --bg: #0d0d1a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --text: #fff;
    --text-muted: rgba(255, 255, 255, 0.6);
    --border: rgba(255, 255, 255, 0.08);
    --success: #4caf50;
    --danger: #e94560;
}

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

body {
    font-family: 'Be Vietnam Pro', sans-serif;
    min-height: 100vh;
    background: linear-gradient(135deg, #0d0d1a, #1a1a2e, #16213e);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 48px 40px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.auth-header {
    text-align: center;
    margin-bottom: 35px;
}

.auth-logo {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
    color: var(--bg);
}

.auth-header h1 {
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.auth-header p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

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

.form-group label {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
}

.form-group .required {
    color: #e94560;
}

.input-group {
    position: relative;
}

.input-group i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.4);
}

.input-group input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #fff;
    font-size: 15px;
    font-family: inherit;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.otp-inputs {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.otp-inputs input {
    width: 48px;
    height: 54px;
    text-align: center;
    font-size: 20px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #fff;
}

.otp-inputs input:focus {
    outline: none;
    border-color: var(--primary);
}

.steps {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.step-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.step-dot.active {
    background: var(--primary);
}

.btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    border-radius: 12px;
    color: var(--bg);
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 193, 7, 0.3);
}

.alert {
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: rgba(233, 69, 96, 0.15);
    border: 1px solid rgba(233, 69, 96, 0.3);
    color: #e94560;
}

.alert-success {
    background: rgba(76, 175, 80, 0.15);
    border: 1px solid rgba(76, 175, 80, 0.3);
    color: #4caf50;
}

.auth-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
}

.auth-footer p {
    color: rgba(255, 255, 255, 0.6);
}

.back-link {
    text-align: center;
    margin-top: 15px;
}

.back-link a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
}

.forgot-link {
    text-align: right;
    margin-bottom: 25px;
}

.forgot-link a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 13px;
}