/* ========================================
   Auth Pages - Login & Register
   Premium Casino Theme
   ======================================== */

/* Background with floating card suits */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(212, 168, 83, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(212, 168, 83, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(26, 26, 46, 0.8) 0%, transparent 50%),
        var(--bg-primary);
}

/* Floating card suits watermark */
.auth-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Ctext x='10' y='35' font-size='28' fill='rgba(212,168,83,0.03)' font-family='serif'%3E%E2%99%A0%3C/text%3E%3C/svg%3E"),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Ctext x='10' y='35' font-size='28' fill='rgba(212,168,83,0.03)' font-family='serif'%3E%E2%99%A5%3C/text%3E%3C/svg%3E"),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Ctext x='10' y='35' font-size='28' fill='rgba(212,168,83,0.03)' font-family='serif'%3E%E2%99%A3%3C/text%3E%3C/svg%3E"),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Ctext x='10' y='35' font-size='28' fill='rgba(212,168,83,0.03)' font-family='serif'%3E%E2%99%A6%3C/text%3E%3C/svg%3E");
    background-size: 120px 120px, 120px 120px, 120px 120px, 120px 120px;
    background-position: 0 0, 60px 0, 0 60px, 60px 60px;
    animation: suitsDrift 60s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes suitsDrift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-120px, -120px); }
}

/* Floating decorative suit symbols */
.auth-suits {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.auth-suits .suit {
    position: absolute;
    font-size: 3rem;
    color: var(--accent-gold);
    opacity: 0;
    animation: floatSuit 12s ease-in-out infinite;
    filter: blur(1px);
}

.auth-suits .suit:nth-child(1) {
    left: 8%;
    top: 15%;
    animation-delay: 0s;
    animation-duration: 14s;
    font-size: 2.5rem;
}
.auth-suits .suit:nth-child(2) {
    right: 12%;
    top: 25%;
    animation-delay: 2s;
    animation-duration: 11s;
    font-size: 2rem;
}
.auth-suits .suit:nth-child(3) {
    left: 15%;
    bottom: 20%;
    animation-delay: 4s;
    animation-duration: 13s;
    font-size: 3.5rem;
}
.auth-suits .suit:nth-child(4) {
    right: 8%;
    bottom: 30%;
    animation-delay: 6s;
    animation-duration: 10s;
    font-size: 2rem;
}
.auth-suits .suit:nth-child(5) {
    left: 50%;
    top: 8%;
    animation-delay: 3s;
    animation-duration: 15s;
    font-size: 1.8rem;
}
.auth-suits .suit:nth-child(6) {
    right: 25%;
    bottom: 10%;
    animation-delay: 7s;
    animation-duration: 12s;
    font-size: 2.8rem;
}
.auth-suits .suit:nth-child(7) {
    left: 5%;
    top: 55%;
    animation-delay: 1s;
    animation-duration: 16s;
    font-size: 2.2rem;
}
.auth-suits .suit:nth-child(8) {
    right: 5%;
    top: 60%;
    animation-delay: 5s;
    animation-duration: 9s;
    font-size: 3rem;
}

@keyframes floatSuit {
    0%, 100% {
        opacity: 0;
        transform: translateY(0) rotate(0deg) scale(0.8);
    }
    15% {
        opacity: 0.06;
    }
    50% {
        opacity: 0.1;
        transform: translateY(-30px) rotate(15deg) scale(1);
    }
    85% {
        opacity: 0.06;
    }
}

/* Auth card container */
.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-8) var(--space-6);
    position: relative;
    z-index: 1;
    box-shadow:
        var(--shadow-lg),
        0 0 40px rgba(212, 168, 83, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.03);
    animation: cardAppear 0.5s ease-out;
}

@keyframes cardAppear {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Subtle border glow effect */
.auth-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-xl);
    background: linear-gradient(
        135deg,
        rgba(212, 168, 83, 0.2),
        transparent 40%,
        transparent 60%,
        rgba(212, 168, 83, 0.1)
    );
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.auth-card:hover::before {
    opacity: 1;
}

/* Logo / Brand */
.auth-brand {
    text-align: center;
    margin-bottom: var(--space-8);
}

.auth-brand-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-3);
    display: block;
    color: var(--accent-gold);
    text-shadow: 0 0 20px rgba(212, 168, 83, 0.4);
}

.auth-brand-title {
    font-size: var(--font-2xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.2em;
    color: var(--accent-gold);
    text-transform: uppercase;
    background: linear-gradient(
        135deg,
        var(--accent-gold-light) 0%,
        var(--accent-gold) 50%,
        var(--accent-gold-dark) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-brand-subtitle {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-top: var(--space-1);
    letter-spacing: 0.05em;
}

/* Decorative line under brand */
.auth-brand::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    margin: var(--space-4) auto 0;
}

/* Auth form styles */
.auth-form .form-group {
    margin-bottom: var(--space-5);
}

.auth-form .form-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    font-size: var(--font-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.auth-form .form-label .label-icon {
    font-size: var(--font-base);
    opacity: 0.7;
}

.auth-form .form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-base);
    color: var(--text-primary);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.auth-form .form-input:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.12);
    background: var(--bg-primary);
}

.auth-form .form-input::placeholder {
    color: var(--text-muted);
}

/* Password field wrapper */
.password-wrapper {
    position: relative;
}

.password-wrapper .form-input {
    padding-right: 3rem;
}

.password-toggle {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    cursor: pointer;
    font-size: var(--font-lg);
    transition: color var(--transition-fast);
    background: none;
    border: none;
    padding: var(--space-1);
    line-height: 1;
}

.password-toggle:hover {
    color: var(--accent-gold);
}

/* Submit button */
.auth-submit {
    width: 100%;
    padding: var(--space-4);
    font-size: var(--font-base);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--bg-primary);
    background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold), var(--accent-gold-dark));
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    margin-top: var(--space-2);
}

.auth-submit:hover {
    box-shadow: 0 4px 20px rgba(212, 168, 83, 0.35);
    transform: translateY(-1px);
}

.auth-submit:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(212, 168, 83, 0.2);
}

.auth-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Shimmer effect on button */
.auth-submit::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.15),
        transparent
    );
    transition: none;
}

.auth-submit:hover::after {
    animation: shimmer 0.8s ease;
}

@keyframes shimmer {
    from { left: -100%; }
    to { left: 100%; }
}

/* Loading state for button */
.auth-submit.loading {
    color: transparent;
    pointer-events: none;
}

.auth-submit.loading::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(10, 10, 18, 0.3);
    border-top-color: var(--bg-primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    top: 50%;
    left: 50%;
    margin-top: -10px;
    margin-left: -10px;
}

/* Alert messages */
.auth-alert {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-sm);
    margin-bottom: var(--space-4);
    display: none;
    align-items: center;
    gap: var(--space-2);
    animation: alertSlide 0.3s ease-out;
    line-height: 1.5;
}

.auth-alert.show {
    display: flex;
}

.auth-alert-error {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.25);
    color: var(--banker-red-light);
}

.auth-alert-success {
    background: rgba(46, 204, 113, 0.1);
    border: 1px solid rgba(46, 204, 113, 0.25);
    color: var(--tie-green-light);
}

@keyframes alertSlide {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Auth footer link */
.auth-footer {
    text-align: center;
    margin-top: var(--space-6);
    padding-top: var(--space-5);
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--accent-gold);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-fast);
}

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

/* Form validation states */
.form-input.input-error {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-input.input-success {
    border-color: var(--success);
}

.field-error {
    display: block;
    font-size: var(--font-xs);
    color: var(--danger);
    margin-top: var(--space-1);
    min-height: 0;
    overflow: hidden;
    transition: all var(--transition-fast);
}

/* Checkbox / Remember me */
.auth-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
    font-size: var(--font-sm);
}

.auth-remember {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
    cursor: pointer;
}

.auth-remember input[type="checkbox"] {
    accent-color: var(--accent-gold);
    width: 16px;
    height: 16px;
}

.auth-forgot {
    color: var(--text-secondary);
    font-size: var(--font-xs);
    transition: color var(--transition-fast);
}

.auth-forgot:hover {
    color: var(--accent-gold);
}

/* Divider with text */
.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
    color: var(--text-muted);
    font-size: var(--font-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

/* Responsive */
@media (max-width: 480px) {
    .auth-page {
        padding: var(--space-3);
        align-items: flex-start;
        padding-top: var(--space-8);
    }

    .auth-card {
        padding: var(--space-6) var(--space-4);
        border-radius: var(--radius-lg);
    }

    .auth-brand-title {
        font-size: var(--font-xl);
        letter-spacing: 0.15em;
    }

    .auth-brand-icon {
        font-size: 2rem;
    }

    .auth-suits .suit {
        display: none;
    }
}

@media (max-width: 360px) {
    .auth-page {
        padding: var(--space-2);
        padding-top: var(--space-4);
    }

    .auth-card {
        padding: var(--space-5) var(--space-3);
    }

    .auth-brand-title {
        font-size: 1.3rem;
    }

    .auth-form .form-input {
        padding: var(--space-2) var(--space-3);
        font-size: var(--font-sm);
    }

    .auth-submit {
        padding: var(--space-3);
        font-size: var(--font-sm);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .auth-page::before {
        animation: none;
    }

    .auth-suits .suit {
        animation: none;
        opacity: 0.05;
    }

    .auth-card {
        animation: none;
    }

    .auth-submit::after {
        animation: none;
    }

    .auth-submit:hover {
        transform: none;
    }
}