/* ══════════════════════════════════════════════════════════
   Auth Page Styles
   ══════════════════════════════════════════════════════════ */

.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.auth-ambient-glow {
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, hsla(var(--clr-primary), 0.18) 0%, transparent 65%);
    z-index: 0;
    pointer-events: none;
    animation: pulseGlow 6s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
    from { opacity: 0.6; transform: translateX(-50%) scale(1); }
    to { opacity: 1; transform: translateX(-50%) scale(1.15); }
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-soft), 0 0 60px rgba(0, 0, 0, 0.15);
}

/* Header */
.auth-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.auth-logo {
    font-size: 3rem;
    margin-bottom: var(--space-xs);
    animation: floatWine 3s ease-in-out infinite;
}

@keyframes floatWine {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.auth-title {
    font-size: 2rem;
    margin-bottom: var(--space-xs);
}

.auth-subtitle {
    font-size: 0.95rem;
    color: hsl(var(--clr-text-muted));
}

/* Tabs */
.auth-tabs {
    display: flex;
    position: relative;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-full);
    padding: 3px;
    margin-bottom: var(--space-lg);
}

.auth-tab {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: none;
    border: none;
    color: hsl(var(--clr-text-muted));
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: color var(--trans-normal);
    z-index: 1;
    position: relative;
}

.auth-tab.active {
    color: hsl(var(--clr-text-main));
}

.auth-tab-indicator {
    position: absolute;
    top: 3px;
    left: 3px;
    width: calc(50% - 3px);
    height: calc(100% - 6px);
    background: linear-gradient(135deg, hsl(var(--clr-primary)), hsl(var(--clr-primary-light)));
    border-radius: var(--radius-full);
    transition: transform var(--trans-slow);
    z-index: 0;
}

/* Form */
.auth-form {
    margin-bottom: var(--space-md);
}

.auth-submit {
    width: 100%;
    padding: var(--space-md);
    margin-top: var(--space-sm);
    font-size: 1rem;
}

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

/* Error message */
.auth-error {
    background: hsla(var(--clr-danger), 0.1);
    border: 1px solid hsl(var(--clr-danger));
    color: hsl(0, 80%, 70%);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    margin-bottom: var(--space-sm);
    animation: shakeError 0.4s ease-out;
}

@keyframes shakeError {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--space-md) 0;
}

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

.auth-divider span {
    padding: 0 var(--space-md);
    color: hsl(var(--clr-text-muted));
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Google button */
.auth-google-btn {
    width: 100%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    color: hsl(var(--clr-text-main));
    padding: var(--space-sm) var(--space-md);
    font-size: 0.95rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--trans-normal);
}

.auth-google-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.auth-google-btn svg {
    flex-shrink: 0;
}

/* Footer text */
.auth-footer-text {
    text-align: center;
    font-size: 0.8rem;
    color: hsl(var(--clr-text-muted));
    margin-top: var(--space-lg);
    opacity: 0.7;
}

/* Nav user section */
.nav-user {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.nav-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid hsl(var(--clr-primary));
}

.nav-avatar-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, hsl(var(--clr-primary)), hsl(var(--clr-primary-light)));
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
}

.nav-user-name {
    font-weight: 500;
    font-size: 0.9rem;
    color: hsl(var(--clr-text-main));
}

.nav-signout {
    font-size: 0.8rem;
    color: hsl(var(--clr-text-muted)) !important;
    margin-left: var(--space-xs);
    opacity: 0.7;
    transition: opacity var(--trans-fast) !important;
}

.nav-signout:hover {
    opacity: 1;
    color: hsl(var(--clr-danger)) !important;
}