/* =============================================
   Magilas Gym - Premium Auth Styles (2025)
   ============================================= */

/* ===== AUTH LAYOUT ===== */
.auth-page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr;
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .auth-page {
        grid-template-columns: 1fr 1fr;
    }
}

/* Background orbs */
.auth-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    pointer-events: none;
}

.auth-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-gold) 0%, transparent 70%);
    top: -300px;
    left: -300px;
    animation: float 10s ease-in-out infinite;
}

.auth-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.6) 0%, transparent 70%);
    bottom: -200px;
    right: -200px;
    animation: float 12s ease-in-out infinite reverse;
}

/* ===== BRANDING PANEL ===== */
.auth-branding {
    display: none;
    position: relative;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .auth-branding {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

.auth-branding-bg {
    position: absolute;
    inset: 0;
}

.auth-branding-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
}

.auth-branding-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(5, 5, 5, 0.85) 0%,
            rgba(212, 175, 55, 0.15) 100%);
}

.auth-branding-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: var(--space-12);
    max-width: 450px;
}

.auth-branding-logo {
    width: 100px;
    height: auto;
    margin-bottom: var(--space-8);
    filter: drop-shadow(0 0 40px var(--color-gold-glow));
    animation: float 4s ease-in-out infinite;
}

.auth-branding-title {
    font-family: var(--font-display);
    font-size: var(--text-6xl);
    margin-bottom: var(--space-4);
    letter-spacing: 0.03em;
}

.auth-branding-title span {
    background: var(--gradient-gold-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-branding-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.auth-branding-features {
    margin-top: var(--space-12);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.auth-branding-feature {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    text-align: left;
}

.auth-branding-feature i {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gold-subtle);
    border-radius: var(--radius-lg);
    color: var(--color-gold);
    font-size: var(--text-lg);
}

.auth-branding-feature span {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* ===== FORM PANEL ===== */
.auth-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    position: relative;
    z-index: 10;
}

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

.auth-card {
    background: var(--gradient-card);
    backdrop-filter: blur(var(--blur-lg));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
}

/* ===== AUTH HEADER ===== */
.auth-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.auth-logo-mobile {
    width: 60px;
    height: auto;
    margin-bottom: var(--space-4);
    filter: drop-shadow(0 0 20px var(--color-gold-glow));
}

@media (min-width: 1024px) {
    .auth-logo-mobile {
        display: none;
    }
}

.auth-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    margin-bottom: var(--space-2);
    letter-spacing: 0.02em;
}

.auth-title span {
    background: var(--gradient-gold-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* ===== AUTH FORM ===== */
.auth-form {
    margin-bottom: var(--space-6);
}

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

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.form-input:focus~.input-icon,
.input-wrapper:focus-within .input-icon {
    color: var(--color-gold);
}

.input-wrapper .form-input {
    padding-left: calc(var(--space-4) + 28px);
}

.input-toggle {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    padding: var(--space-2);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.auth-form .btn {
    margin-top: var(--space-6);
    padding: var(--space-4);
    font-size: var(--text-base);
    font-weight: 600;
}

/* ===== AUTH FOOTER ===== */
.auth-footer {
    text-align: center;
}

.auth-footer p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.auth-footer a {
    color: var(--color-gold);
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.auth-back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.auth-back-link:hover {
    color: var(--color-gold);
    text-decoration: none;
}

.auth-back-link i {
    transition: transform var(--transition-fast);
}

.auth-back-link:hover i {
    transform: translateX(-4px);
}

/* ===== LOADING OVERLAY ===== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(var(--blur-lg));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 56px;
    height: 56px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-gold);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: var(--space-4);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-text {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    letter-spacing: 0.3em;
    background: var(--gradient-gold-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ===== ANIMATIONS ===== */
.auth-card {
    animation: scaleIn 0.6s var(--ease-out-expo) forwards;
}

.auth-branding-content {
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s both;
}

.auth-branding-feature {
    opacity: 0;
    animation: fadeInUp 0.6s var(--ease-out-expo) forwards;
}

.auth-branding-feature:nth-child(1) {
    animation-delay: 0.4s;
}

.auth-branding-feature:nth-child(2) {
    animation-delay: 0.5s;
}

.auth-branding-feature:nth-child(3) {
    animation-delay: 0.6s;
}