:root {
    --auth-bg: #0a0a0b;
    --auth-card-bg: rgba(15, 15, 20, 0.95);
    --auth-accent: #8b0000; /* Dark red */
    --auth-accent-hover: #b30000;
    --auth-text: #e0e0e0;
    --auth-text-muted: #888;
    --auth-border: #2a2a2a;
    --auth-input-bg: #121214;
}

body.auth-page {
    background-color: var(--auth-bg);
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(139, 0, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 0, 139, 0.03) 0%, transparent 50%);
    color: var(--auth-text);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

.auth-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 20px;
    perspective: 1000px;
}

.auth-card {
    background: var(--auth-card-bg);
    border: 1px solid var(--auth-border);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.auth-section {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.auth-section.hidden {
    display: none;
    opacity: 0;
    transform: translateY(10px);
}

.auth-logo {
    text-align: center;
    margin-bottom: 30px;
}

.auth-logo h1 {
    font-family: 'Cinzel', serif;
    color: var(--auth-accent);
    font-size: 2.5rem;
    margin: 0;
    text-shadow: 0 0 15px rgba(139, 0, 0, 0.4);
    letter-spacing: 2px;
}

.auth-card h2 {
    font-family: 'Cinzel', serif;
    color: var(--auth-text);
    text-align: center;
    margin-top: 0;
    margin-bottom: 25px;
    font-size: 1.5rem;
}

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

.auth-form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--auth-text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.auth-input {
    width: 90%;
    background: var(--auth-input-bg);
    border: 1px solid var(--auth-border);
    border-radius: 6px;
    padding: 12px 16px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.auth-input:focus {
    outline: none;
    border-color: var(--auth-accent);
    box-shadow: 0 0 10px rgba(139, 0, 0, 0.4);
    background: #1a1a1d;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, transparent, var(--auth-accent), transparent);
    z-index: -1;
    border-radius: 14px;
    opacity: 0.3;
}

.auth-btn {
    width: 100%;
    background: var(--auth-accent);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 14px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 10px;
}

.auth-btn:hover {
    background: var(--auth-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(139, 0, 0, 0.3);
}

/* ---------- GOOGLE BUTTON ---------- */

/* ---------- GOOGLE CIRCLE BUTTON ---------- */

.auth-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 18px 0 14px;
    color: var(--auth-text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--auth-border);
}

.auth-divider span {
    padding: 0 12px;
}

.auth-btn-google {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid #dadce0;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px auto 0 auto;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.auth-btn-google:hover {
    background: #f8f9fa;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.google-icon {
    font-size: 20px;
    font-weight: bold;
    font-family: Arial, sans-serif;
    color: #4285f4;
}
/* ---------- LINKS ---------- */

.auth-links {
    text-align: center;
    margin-top: 25px;
    font-size: 0.9rem;
    color: var(--auth-text-muted);
}

.auth-links a {
    color: var(--auth-accent);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.auth-links a:hover {
    color: var(--auth-accent-hover);
    text-decoration: underline;
}

#error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #ef4444;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 0.85rem;
    text-align: center;
    display: none;
}

/* Animations */

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* Background */

.bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../assets/BG.png') center/cover no-repeat;
    opacity: 0.15;
    z-index: -1;
    filter: grayscale(100%) contrast(120%);
}