/* =========================================
   MUSEUM AUTHENTICATION STYLES
   ========================================= */

:root {
    --bg-deep: #121212;
    --bg-card: #1E1E1E;
    --text-bone: #E0E0E0;
    --text-muted: #888888;

    --accent-gold: #C5A059;
    --accent-cyan: #81ECEC;
    --accent-crimson: #FF7675;

    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Montserrat', sans-serif;

    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--bg-deep);
    color: var(--text-bone);
    font-family: var(--font-sans);
    overflow-x: hidden;
    line-height: 1.6;
}

.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    position: relative;
    z-index: 2;
}

#particles-js {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid rgba(197, 160, 89, 0.2);
    /* Subtle Gold Border */
    border-radius: 4px;
    /* Sharp Museum Corners */
    padding: 50px 40px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 2;
}

/* Header */
.auth-card h2 {
    color: var(--text-bone);
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
    font-family: var(--font-serif);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.auth-card h2 i {
    color: var(--accent-gold);
    font-size: 1.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-group input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    background: #151515;
    border: 1px solid #333;
    border-radius: 2px;
    color: #fff;
    font-family: var(--font-sans);
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 15px rgba(197, 160, 89, 0.1);
}

.form-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    transition: 0.3s;
}

.form-group input:focus+i,
.form-group input:focus~i {
    color: var(--accent-gold);
}

/* Buttons */
.btn-primary {
    width: 100%;
    padding: 15px;
    background: var(--accent-gold);
    color: #000;
    border: none;
    border-radius: 2px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    transition: 0.3s;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-primary:hover {
    background: #fff;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Footer Links */
.auth-card p {
    text-align: center;
    margin-top: 30px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.auth-card a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: 0.3s;
}

.auth-card a:hover {
    color: #fff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Alerts */
.alert {
    padding: 12px;
    margin-bottom: 20px;
    border-radius: 2px;
    text-align: center;
    font-size: 0.9rem;
}

.alert-danger {
    background: rgba(255, 118, 117, 0.1);
    border: 1px solid var(--accent-crimson);
    color: var(--accent-crimson);
}

.alert-success {
    background: rgba(129, 236, 236, 0.1);
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
}

.error-message {
    color: var(--accent-crimson);
    font-size: 0.8rem;
    margin-top: 5px;
    display: none;
}

@media (max-width: 480px) {
    .auth-card {
        padding: 30px 20px;
    }

    .auth-card h2 {
        font-size: 1.5rem;
    }

    .form-group input {
        padding: 12px 12px 12px 40px;
    }
}