/* ============================================
   AUTH MODAL OVERLAY STYLES (POP-UP)
   ============================================ */

#auth-modal.auth-modal-overlay,
.auth-modal-overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 10000 !important;
    display: none !important;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    box-sizing: border-box;
}

#auth-modal.auth-modal-overlay.active,
.auth-modal-overlay.active {
    display: flex !important;
}

.auth-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(8, 10, 22, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 1;
    animation: fadeInBackdrop 0.3s ease;
}

@keyframes fadeInBackdrop {
    from { opacity: 0; }
    to { opacity: 1; }
}

.auth-modal-dialog {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1040px;
    max-height: 92vh;
    overflow-y: auto;
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.8), 0 0 50px rgba(108, 92, 231, 0.25);
    animation: modalPopIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPopIn {
    from {
        opacity: 0;
        transform: scale(0.92) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.auth-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 20;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.auth-modal-close:hover {
    background: rgba(239, 68, 68, 0.25);
    border-color: rgba(239, 68, 68, 0.5);
    color: #ef4444;
    transform: rotate(90deg) scale(1.05);
}

.auth-container {
    padding: 0;
    position: relative;
    z-index: 2;
}

/* Horizontal Split Wrapper */
.auth-split-card {
    width: 100%;
    max-width: 1080px;
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    background: rgba(18, 20, 39, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    box-shadow: 0 30px 70px -10px rgba(0, 0, 0, 0.7), 0 0 35px rgba(108, 92, 231, 0.18);
    backdrop-filter: blur(24px);
    overflow: hidden;
    animation: authSlideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes authSlideUp {
    from {
        opacity: 0;
        transform: translateY(25px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Left Column: Showcase & Brand */
.auth-showcase-panel {
    background: linear-gradient(145deg, rgba(225, 29, 72, 0.22), rgba(10, 10, 15, 0.95));
    border-right: 1px solid var(--glass-border);
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.auth-back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-fast);
    margin-bottom: var(--space-xl);
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}

.auth-back-link:hover {
    color: var(--text-primary);
}

.auth-showcase-content {
    margin-bottom: auto;
}

.showcase-brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.showcase-brand .logo-icon {
    width: 68px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent !important;
    border-radius: var(--radius-md);
    filter: drop-shadow(0 0 20px rgba(225, 29, 72, 0.6));
}

.showcase-brand h2 {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    letter-spacing: -0.5px;
}

.showcase-tagline {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--space-xl);
}

/* Feature Bullets */
.showcase-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.showcase-feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.feature-check-icon {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(39, 201, 63, 0.15);
    border: 1px solid rgba(39, 201, 63, 0.3);
    color: var(--accent-green);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-check-icon svg {
    width: 14px;
    height: 14px;
}

.feature-text strong {
    display: block;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.feature-text span {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Mini Showcase Box */
.showcase-mini-card {
    background: rgba(10, 11, 23, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mini-card-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.mini-card-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: rgba(108, 92, 231, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
}

.mini-card-icon svg {
    width: 18px;
    height: 18px;
}

.mini-card-text .title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-primary);
}

.mini-card-text .sub {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.mini-card-badge {
    padding: 3px 8px;
    background: rgba(39, 201, 63, 0.15);
    border: 1px solid rgba(39, 201, 63, 0.3);
    border-radius: var(--radius-full);
    color: var(--accent-green);
    font-size: 0.7rem;
    font-weight: 700;
}

/* Right Column: Form Panel */
.auth-form-panel {
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(13, 14, 28, 0.5);
}

.auth-form-header {
    margin-bottom: var(--space-xl);
}

.auth-form-header h3 {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

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

/* Sliding Tabs */
.auth-tabs {
    display: flex;
    position: relative;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-md);
    padding: 4px;
    margin-bottom: var(--space-xl);
    border: 1px solid var(--glass-border);
}

.tab-btn {
    flex: 1;
    padding: 0.65rem var(--space-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    z-index: 1;
    background: none;
    border: none;
    cursor: pointer;
}

.tab-btn.active {
    color: var(--text-primary);
}

.tab-indicator {
    position: absolute;
    top: 4px;
    left: 4px;
    width: calc(50% - 4px);
    height: calc(100% - 8px);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-sm);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.tab-btn[data-tab="register"].active ~ .tab-indicator {
    transform: translateX(100%);
}

/* Forms */
.auth-form {
    display: none !important;
}

.auth-form.active {
    display: block !important;
    animation: fadeInForm 0.35s ease-out;
}

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

/* Quick Demo Login Fill Buttons */
.demo-accounts-bar {
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
    border-top: 1px solid var(--glass-border);
}

.demo-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    display: block;
}

.demo-buttons {
    display: flex;
    gap: var(--space-sm);
}

.btn-demo-quick {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0.45rem 0.6rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-demo-quick:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-demo-quick svg {
    width: 14px;
    height: 14px;
}

/* Responsive */
@media (max-width: 900px) {
    .auth-split-card {
        grid-template-columns: 1fr;
        max-width: 480px;
    }

    .auth-showcase-panel {
        display: none;
    }

    .auth-form-panel {
        padding: 2.5rem 1.75rem;
    }
}