/* ============================================
   TCGS Swap - Global Styles
   ============================================ */

/* Custom Bootstrap Variables */
/* ============================================
   TCGS Brand Palette
   Dark navy / near-black primary background.
   Electric blue primary accent.
   Cyan highlights.
   Purple secondary accent.
   High-contrast white typography.
   ============================================ */
:root {
    /* Brand Colors - from TCGS logo */
    --tcgs-navy: #0a0e27;
    --tcgs-navy-light: #1a1f3d;
    --tcgs-navy-lighter: #252b50;
    --tcgs-electric-blue: #00b4d8;
    --tcgs-cyan: #00e5ff;
    --tcgs-purple: #7b2ff7;
    --tcgs-purple-light: #9d5cfa;

    /* Semantic mappings */
    --tcgs-primary: var(--tcgs-electric-blue);
    --tcgs-primary-light: var(--tcgs-cyan);
    --tcgs-primary-dark: #0096b7;
    --tcgs-secondary: var(--tcgs-purple);
    --tcgs-secondary-light: var(--tcgs-purple-light);
    --tcgs-accent: var(--tcgs-cyan);
    --tcgs-success: #00c853;
    --tcgs-danger: #ff1744;
    --tcgs-warning: #ffc400;
    --tcgs-info: var(--tcgs-electric-blue);

    /* Backgrounds */
    --tcgs-bg-light: #f0f2f5;
    --tcgs-bg-dark: var(--tcgs-navy);
    --tcgs-bg-card: #ffffff;

    /* Text */
    --tcgs-text-primary: #1a1a2e;
    --tcgs-text-secondary: #6c757d;
    --tcgs-text-on-dark: #ffffff;

    /* Borders & Shadows */
    --tcgs-border-color: #dee2e6;
    --tcgs-shadow-sm: 0 2px 8px rgba(10, 14, 39, 0.08);
    --tcgs-shadow-md: 0 4px 16px rgba(10, 14, 39, 0.12);
    --tcgs-shadow-lg: 0 8px 32px rgba(10, 14, 39, 0.18);
    --tcgs-glow-blue: 0 0 20px rgba(0, 180, 216, 0.3);
    --tcgs-glow-purple: 0 0 20px rgba(123, 47, 247, 0.3);

    /* Radius */
    --tcgs-radius-sm: 8px;
    --tcgs-radius-md: 12px;
    --tcgs-radius-lg: 16px;
}

/* Base Styles */
html, body {
    font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--tcgs-bg-light);
    color: var(--tcgs-text-primary);
    line-height: 1.6;
}

a {
    color: var(--tcgs-primary-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--tcgs-primary);
}

/* ============================================
   Button Styles - TCGS Brand Palette
   ============================================ */
.btn-primary {
    background: linear-gradient(135deg, var(--tcgs-electric-blue) 0%, var(--tcgs-cyan) 100%);
    border: none;
    color: var(--tcgs-navy);
    font-weight: 700;
    padding: 0.6rem 1.5rem;
    border-radius: var(--tcgs-radius-sm);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--tcgs-cyan) 0%, var(--tcgs-electric-blue) 100%);
    color: var(--tcgs-navy);
    transform: translateY(-1px);
    box-shadow: var(--tcgs-glow-blue);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem rgba(0, 180, 216, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--tcgs-purple) 0%, var(--tcgs-purple-light) 100%);
    border: none;
    color: white;
    font-weight: 600;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--tcgs-purple-light) 0%, var(--tcgs-purple) 100%);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--tcgs-glow-purple);
}

/* Outline buttons with brand colors */
.btn-outline-primary {
    color: var(--tcgs-electric-blue);
    border-color: var(--tcgs-electric-blue);
}

.btn-outline-primary:hover {
    background: var(--tcgs-electric-blue);
    border-color: var(--tcgs-electric-blue);
    color: var(--tcgs-navy);
}

.btn-outline-secondary {
    color: var(--tcgs-purple);
    border-color: var(--tcgs-purple);
}

.btn-outline-secondary:hover {
    background: var(--tcgs-purple);
    border-color: var(--tcgs-purple);
    color: white;
}

/* Content Area */
.content {
    padding: 2rem 1rem;
    min-height: calc(100vh - 60px);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    color: var(--tcgs-navy);
    font-weight: 700;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.5rem;
}

/* Cards */
.card {
    border: none;
    border-radius: var(--tcgs-radius-md);
    box-shadow: var(--tcgs-shadow-sm);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--tcgs-shadow-lg);
}

.card-header {
    background: linear-gradient(135deg, var(--tcgs-primary) 0%, var(--tcgs-primary-light) 100%);
    color: white;
    border: none;
    font-weight: 600;
    padding: 1rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    color: var(--tcgs-primary);
    font-weight: 700;
}

/* Forms */
.form-control {
    border: 2px solid var(--tcgs-border-color);
    border-radius: var(--tcgs-radius-sm);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--tcgs-primary-light);
    box-shadow: 0 0 0 0.2rem rgba(26, 35, 126, 0.15);
}

.form-label {
    font-weight: 600;
    color: var(--tcgs-text-primary);
    margin-bottom: 0.5rem;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--tcgs-radius-sm);
    padding: 1rem 1.25rem;
    font-weight: 500;
}

.alert-info {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    color: var(--tcgs-info);
    border-left: 4px solid var(--tcgs-info);
}

.alert-success {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    color: var(--tcgs-success);
    border-left: 4px solid var(--tcgs-success);
}

.alert-danger {
    background: linear-gradient(135deg, #ffebee 0%, #ffcdd2 100%);
    color: var(--tcgs-danger);
    border-left: 4px solid var(--tcgs-danger);
}

.alert-warning {
    background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 100%);
    color: #f57f17;
    border-left: 4px solid var(--tcgs-warning);
}

/* Validation */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--tcgs-success);
}

.invalid {
    outline: 1px solid var(--tcgs-danger);
}

.validation-message {
    color: var(--tcgs-danger);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Blazor Error Boundary */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, var(--tcgs-danger);
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
    border-radius: var(--tcgs-radius-sm);
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

/* ============================================
   Auth Pages
   ============================================ */

/* Auth page - full dark background matching home hero */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, var(--tcgs-navy) 0%, var(--tcgs-navy-light) 100%);
}

.auth-wrapper {
    max-width: 450px;
    width: 100%;
}

.auth-logo {
    max-height: 60px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.auth-title {
    text-align: center;
    color: white;
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.auth-divider hr {
    border-color: rgba(255, 255, 255, 0.15);
}

.btn-auth-full {
    width: 100%;
    margin-bottom: 0.75rem;
    padding: 0.85rem;
    border-radius: var(--tcgs-radius-sm);
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-auth-full:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--tcgs-shadow-md);
}

.btn-auth-full:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-google {
    background-color: white;
    color: #444;
    border: 2px solid #dadce0;
}

.btn-google:hover {
    background-color: #f8f9fa;
    border-color: #aab8c2;
    color: #333;
}

.btn-microsoft {
    background-color: white;
    color: #444;
    border: 2px solid #dadce0;
}

.btn-microsoft:hover {
    background-color: #f8f9fa;
    border-color: #aab8c2;
    color: #333;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--tcgs-text-secondary);
    font-size: 0.875rem;
}

.auth-divider hr {
    flex: 1;
    margin: 0 0.75rem;
    border-color: var(--tcgs-border-color);
}

/* ============================================
   Home Page
   ============================================ */

/* ============================================
   Home Page - Compact Header with Logo
   ============================================ */

.home-hero {
    text-align: center;
    padding: 2rem 1.5rem;
    background: linear-gradient(135deg, var(--tcgs-navy) 0%, var(--tcgs-navy-light) 100%);
    color: white;
    border-radius: var(--tcgs-radius-lg);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

/* Subtle gradient overlay for depth */
.home-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.08) 0%, rgba(123, 47, 247, 0.08) 100%);
    pointer-events: none;
}

.home-hero-logo {
    max-height: 60px;
    width: auto;
    margin-bottom: 0.75rem;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    position: relative;
    z-index: 1;
}

.home-hero h1 {
    color: white;
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.home-hero .lead {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Hero subtitle — white text on dark bg */
.hero-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

/* Hero divider — subtle separator between welcome and CTA */
.hero-divider {
    border-color: rgba(255, 255, 255, 0.15);
}

/* Compact action buttons in hero */
.home-hero .btn {
    position: relative;
    z-index: 1;
}

/* Feature Cards - Modern Bootstrap Grid Version */
.feature-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.feature-card-hover {
    transition: all 0.3s ease;
    border-top: 3px solid transparent;
}

.feature-card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--tcgs-shadow-md) !important;
    border-top-color: var(--tcgs-primary-light);
}

/* Step Numbers */
.step-number {
    width: 50px;
    height: 50px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--tcgs-electric-blue) 0%, var(--tcgs-cyan) 100%);
    color: var(--tcgs-navy);
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--tcgs-glow-blue);
}

/* CTA Banner - Brand gradient */
.cta-banner {
    background: linear-gradient(135deg, var(--tcgs-navy) 0%, var(--tcgs-navy-light) 50%, var(--tcgs-purple) 100%);
    box-shadow: var(--tcgs-shadow-md);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(0, 180, 216, 0.15) 0%, rgba(123, 47, 247, 0.15) 100%);
    pointer-events: none;
}

.cta-banner > * {
    position: relative;
    z-index: 1;
}

/* Home page loading placeholder (while auth resolves) */
.home-loading-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.home-loading-logo {
    max-height: 80px;
    width: auto;
    opacity: 0.6;
    animation: home-logo-pulse 1.5s ease-in-out infinite;
}

@keyframes home-logo-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

/* Empty State Icons */
.empty-state-icon {
    font-size: 4rem;
    opacity: 0.3;
}

/* Cursor Pointer Utility */
.cursor-pointer {
    cursor: pointer;
}

/* Chat Empty State */
.chat-empty-state {
    min-height: 400px;
}

/* Stat Card Hover */
.stat-card {
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--tcgs-shadow-md) !important;
}

/* Section Spacing */
section {
    margin-bottom: 1rem;
}

/* ============================================
   Dashboard / Stats
   ============================================ */

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.stat-card {
    background: white;
    border-radius: var(--tcgs-radius-md);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--tcgs-shadow-sm);
    transition: all 0.3s ease;
    border-left: 4px solid var(--tcgs-primary);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--tcgs-shadow-md);
}

.stat-card h3 {
    color: var(--tcgs-primary);
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0;
}

.stat-card p {
    color: var(--tcgs-text-secondary);
    margin: 0.5rem 0 0;
    font-weight: 500;
}

.quick-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* ============================================
   Chat Page
   ============================================ */

.chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 180px);
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--tcgs-radius-md);
    overflow: hidden;
    box-shadow: var(--tcgs-shadow-md);
    background: white;
}

.chat-header {
    background: linear-gradient(135deg, var(--tcgs-navy) 0%, var(--tcgs-navy-light) 100%);
    color: white;
    padding: 1rem 1.5rem;
    font-weight: 600;
    border-bottom: 2px solid var(--tcgs-electric-blue);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    background: var(--tcgs-bg-light);
}

.chat-input {
    padding: 1rem 1.5rem;
    background: white;
    border-top: 2px solid var(--tcgs-border-color);
}

.message {
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
}

.message-me {
    justify-content: flex-end;
}

.message-other {
    justify-content: flex-start;
}

.message-bubble {
    max-width: 70%;
    padding: 0.75rem 1rem;
    border-radius: var(--tcgs-radius-md);
    background: white;
    box-shadow: var(--tcgs-shadow-sm);
    word-wrap: break-word;
}

.message-me .message-bubble {
    background: linear-gradient(135deg, var(--tcgs-electric-blue) 0%, var(--tcgs-cyan) 100%);
    color: var(--tcgs-navy);
    border-bottom-right-radius: 4px;
    font-weight: 600;
}

.message-other .message-bubble {
    border-bottom-left-radius: 4px;
}

.message-time {
    font-size: 0.75rem;
    opacity: 0.7;
    margin-top: 0.25rem;
}

.message-me .message-time {
    text-align: right;
}

/* ============================================
   Cards Page
   ============================================ */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.card-item {
    background: white;
    border-radius: var(--tcgs-radius-md);
    overflow: hidden;
    box-shadow: var(--tcgs-shadow-sm);
    transition: all 0.3s ease;
}

.card-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--tcgs-shadow-lg);
}

.card-image {
    height: 280px;
    background: linear-gradient(135deg, #e8eaf6 0%, #c5cae9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.card-info {
    padding: 1rem;
}

.card-name {
    font-weight: 700;
    color: var(--tcgs-primary);
    margin-bottom: 0.25rem;
}

.card-set {
    font-size: 0.875rem;
    color: var(--tcgs-text-secondary);
}

.card-price {
    font-weight: 700;
    color: var(--tcgs-success);
    margin-top: 0.5rem;
}

/* ============================================
   Matches Page
   ============================================ */

.match-list {
    margin-top: 1.5rem;
}

.match-item {
    background: white;
    border-radius: var(--tcgs-radius-md);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--tcgs-shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
    border-left: 4px solid var(--tcgs-warning);
}

.match-item:hover {
    transform: translateX(4px);
    box-shadow: var(--tcgs-shadow-md);
}

.match-item.accepted {
    border-left-color: var(--tcgs-success);
}

.match-item.expired {
    border-left-color: var(--tcgs-text-secondary);
    opacity: 0.7;
}

.match-info h5 {
    margin-bottom: 0.25rem;
    color: var(--tcgs-primary);
}

.match-info p {
    margin-bottom: 0;
    color: var(--tcgs-text-secondary);
    font-size: 0.875rem;
}

.match-actions {
    display: flex;
    gap: 0.5rem;
}

/* ============================================
   Badges
   ============================================ */

.badge {
    padding: 0.4em 0.8em;
    font-weight: 600;
    border-radius: 20px;
}

.badge-pending {
    background-color: var(--tcgs-warning);
    color: #333;
}

.badge-accepted {
    background-color: var(--tcgs-success);
    color: white;
}

.badge-expired {
    background-color: var(--tcgs-text-secondary);
    color: white;
}

/* ============================================
   Spinner
   ============================================ */

.spinner-border {
    color: var(--tcgs-primary);
}

.btn .spinner-border {
    color: white;
}

/* ============================================
   Responsive Adjustments
   ============================================ */

@media (max-width: 768px) {
    .home-hero {
        padding: 3rem 1rem;
    }

    .home-hero h1 {
        font-size: 2rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .auth-card {
        padding: 1.5rem;
    }

    .match-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .match-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

@media (max-width: 480px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }

    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .card-image {
        height: 180px;
    }
}

/* ============================================
   Utility Classes
   ============================================ */

.text-gradient {
    background: linear-gradient(135deg, var(--tcgs-primary) 0%, var(--tcgs-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--tcgs-primary) 0%, var(--tcgs-primary-light) 100%);
}

.shadow-hover {
    transition: box-shadow 0.3s ease;
}

.shadow-hover:hover {
    box-shadow: var(--tcgs-shadow-lg);
}

/* Floating labels */
.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
    color: var(--tcgs-text-secondary);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* Darker border checkbox */
.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

/* ============================================
   Auth Loading Overlay
   ============================================ */

.auth-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #1a237e 0%, #3949ab 50%, #1a237e 100%);
    background-size: 400% 400%;
    animation: authLoadingGradient 8s ease infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.4s ease;
}

@keyframes authLoadingGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.auth-loading-content {
    text-align: center;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-loading-logo {
    max-height: 80vh;
    max-width: 80vw;
    width: auto;
    height: auto;
    margin: 0 auto;
    display: block;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.4));
}

.auth-loading-spinner {
    width: 110vmin;
    height: 110vmin;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -55vmin;
    margin-left: -55vmin;
    border: 3px solid rgba(255, 0, 0, 0.06);
    border-top: 3px solid rgba(255, 0, 0, 0.7);
    border-radius: 50%;
    animation: authLoadingSpin 1.2s linear infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes authLoadingSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.auth-loading-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.auth-loading-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* ============================================
   App Loading Overlay (Static - shows before Blazor loads)
   ============================================ */

.app-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #1a237e 0%, #3949ab 50%, #1a237e 100%);
    background-size: 400% 400%;
    animation: authLoadingGradient 8s ease infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.4s ease;
}

.app-loading-content {
    text-align: center;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-loading-logo {
    max-height: 80vh;
    max-width: 80vw;
    width: auto;
    height: auto;
    margin: 0 auto;
    display: block;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.4));
}

.app-loading-spinner {
    width: 110vmin;
    height: 110vmin;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -55vmin;
    margin-left: -55vmin;
    border: 3px solid rgba(255, 0, 0, 0.06);
    border-top: 3px solid rgba(255, 0, 0, 0.7);
    border-radius: 50%;
    animation: authLoadingSpin 1.2s linear infinite;
    pointer-events: none;
    z-index: 1;
}

.app-loading-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.app-loading-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}