/* File: src/main/resources/static/css/auth.css */
:root {
    --primary: #e50914;
    --primary-hover: #c11119;
    --bg-glass: rgba(0, 0, 0, 0.75);
    --border-glass: rgba(255, 255, 255, 0.15);
    --text-muted: rgba(255, 255, 255, 0.6);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: #000;
    background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.9)),
    url('https://assets.nflxext.com/ffe/siteui/vlv3/ab180a27-b661-44d7-a6d9-940cb32f2f4a/7fb62e44-31fd-4e1c-bba3-1e7412d4d623/VN-en-20231009-popsignuptwoweeks-perspective_alpha_website_large.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header { padding: 24px 5%; }
.logo {
    color: var(--primary);
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 900;
    text-decoration: none;
    letter-spacing: -1px;
    display: inline-block;
    transition: transform 0.2s;
}
.logo:hover { transform: scale(1.02); }

/* Đã gom chung login-wrapper và register-wrapper */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    padding: 20px 16px 60px;
}

/* Đã gom chung login-box và register-box */
.auth-box {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: clamp(32px, 8vw, 52px) clamp(24px, 6vw, 64px);
    border-radius: 16px;
    width: 100%;
    max-width: 420px; /* Form mặc định (Login) */
    border: 1px solid var(--border-glass);
    box-shadow: 0 24px 64px rgba(0,0,0,0.8);
    animation: fadeUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.auth-box.wide {
    max-width: 460px; /* Form rộng hơn (Register) */
}

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

.auth-box h2 {
    font-size: clamp(24px, 5vw, 32px);
    font-weight: 700;
    margin-bottom: 28px;
    letter-spacing: -0.5px;
}

.alert {
    padding: 14px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 20px;
    display: none;
    line-height: 1.5;
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.alert-error  { background: rgba(229,9,20,0.1); color: #ff6b6b; border: 1px solid rgba(229,9,20,0.4); }
.alert-success { background: rgba(40,167,69,0.14); color: #46d369; border: 1px solid rgba(70,211,105,0.45); }

.form-group { position: relative; margin-bottom: 16px; }
.form-control {
    width: 100%;
    padding: 16px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    background: rgba(0,0,0,0.4);
    color: #fff;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
    outline: none;
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:focus {
    border-color: var(--primary);
    background: rgba(0,0,0,0.6);
    box-shadow: 0 0 0 3px rgba(229,9,20,0.15);
}

/* Password Toggle UI */
.password-wrapper { position: relative; }
.toggle-password {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--text-muted);
    background: none;
    border: none;
    padding: 4px;
    display: flex;
    transition: color 0.2s;
}
.toggle-password:hover { color: #fff; }
.form-control.pr-40 { padding-right: 48px; }

.btn {
    width: 100%;
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-decoration: none;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-primary { background: var(--primary); color: #fff; margin-top: 8px; }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); box-shadow: 0 4px 12px rgba(229,9,20,0.3); }

.btn-google {
    background: #fff;
    color: #1f1f1f;
    margin-top: 16px;
    border: 1px solid transparent;
}
.btn-google:hover { background: #f0f0f0; }
.btn-google img { width: 20px; height: 20px; }

.divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
    color: var(--text-muted);
    font-size: 14px;
}
.divider::before, .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-glass);
}

.forgot-link { text-align: right; margin-top: 12px; }
.forgot-link a { color: var(--text-muted); font-size: 14px; text-decoration: none; transition: color 0.2s; }
.forgot-link a:hover { color: #fff; text-decoration: underline; }

.auth-prompt {
    margin-top: 32px;
    color: var(--text-muted);
    font-size: 15px;
    text-align: center;
}
.auth-prompt a { color: #fff; font-weight: 600; text-decoration: none; margin-left: 4px;}
.auth-prompt a:hover { text-decoration: underline; }

.google-note {
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 12px;
}

.btn-facebook {
    background: #1877f2;
    color: #fff;
    margin-top: 12px;
}

.btn-facebook:hover {
    background: #166fe5;
}

.btn-facebook i {
    font-size: 20px;
}