/**
 * Herzbluth - Elegant Dating App Styles
 * Mobile-first, PWA-ready
 */

/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --color-bg: #0f0f1a;
    --color-bg-card: #1a1a2e;
    --color-bg-elevated: #252542;
    --color-primary: #c9a55a;
    --color-primary-light: #dfc07a;
    --color-secondary: #d4707a;
    --color-text: #f5f5f5;
    --color-text-muted: #8a8a9a;
    --color-border: #2a2a4a;
    --color-success: #4ade80;
    --color-danger: #f87171;

    /* Typography */
    --font-primary: 'Georgia', 'Times New Roman', serif;
    --font-secondary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(201, 165, 90, 0.3);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Safe Areas (PWA) */
    --safe-top: env(safe-area-inset-top);
    --safe-bottom: env(safe-area-inset-bottom);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior: none;
    overflow-x: hidden;
    background: #1a1a2e;
    /* iOS PWA: Prevent rubber-band showing wrong color */
    background-attachment: fixed;
}

body {
    font-family: var(--font-secondary);
    background: #1a1a2e;
    color: var(--color-text);
    overscroll-behavior: none;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    min-height: 100vh;
    line-height: 1.5;
}

/* iOS PWA: Fixed background layer to cover overscroll */
body::before {
    content: '';
    position: fixed;
    top: -100vh;
    left: 0;
    right: 0;
    height: 200vh;
    background: #1a1a2e;
    z-index: -1000;
    pointer-events: none;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== Typography ===== */
h1, h2, h3 {
    font-family: var(--font-primary);
    font-weight: 400;
    letter-spacing: 0.02em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }

.text-muted { color: var(--color-text-muted); }
.text-primary { color: var(--color-primary); }
.text-center { text-align: center; }

/* ===== Main Layout ===== */
.main-content {
    padding: var(--spacing-sm);
    padding-top: calc(var(--spacing-sm) + var(--safe-top));
    min-height: 100vh;
}

.main-content.has-nav {
    padding-bottom: calc(70px + var(--safe-bottom));
}

.main-content.has-header {
    padding-top: calc(52px + var(--safe-top));
}

/* ===== Top Header ===== */
.top-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: calc(48px + var(--safe-top));
    padding-top: var(--safe-top);
    background: #1a1a2e;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

/* Cover overscroll area on iOS */
.top-header::before {
    content: '';
    position: absolute;
    top: -500px;
    left: -50px;
    right: -50px;
    height: 500px;
    background: #1a1a2e;
    z-index: -1;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-primary);
}

.header-logo svg {
    width: 24px;
    height: auto;
    filter: drop-shadow(0 2px 8px rgba(201, 165, 90, 0.2));
}

.header-logo-text {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* Hamburger Button */
.hamburger-btn {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.75rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

.hamburger-btn:hover {
    color: var(--color-primary);
}

/* Slide Menu Overlay */
.slide-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 199;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    backdrop-filter: blur(2px);
}

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

/* Slide Menu */
.slide-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 300px;
    max-width: 85vw;
    background: var(--color-bg-card);
    z-index: 200;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
}

.slide-menu.active {
    transform: translateX(0);
}

.slide-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    padding-top: calc(var(--spacing-lg) + var(--safe-top));
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
}

.slide-menu-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.slide-menu-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--color-primary);
}

.slide-menu-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    color: var(--color-text-muted);
    font-size: 1.5rem;
}

.slide-menu-user {
    display: flex;
    flex-direction: column;
}

.slide-menu-name {
    font-weight: 500;
    font-size: 1.05rem;
}

.slide-menu-status {
    font-size: 0.8rem;
    color: var(--color-success);
    display: flex;
    align-items: center;
    gap: 4px;
}

.slide-menu-status::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-success);
    border-radius: 50%;
}

.slide-menu-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.75rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    display: flex;
    transition: color var(--transition-fast);
}

.slide-menu-close:hover {
    color: var(--color-text);
}

.slide-menu-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md) 0;
}

.slide-menu-section {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.slide-menu-section:last-child {
    border-bottom: none;
}

.slide-menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-text);
    text-decoration: none;
    transition: background var(--transition-fast);
}

.slide-menu-item:hover {
    background: var(--color-bg-elevated);
}

.slide-menu-item i {
    font-size: 1.4rem;
    color: var(--color-text-muted);
    width: 28px;
    text-align: center;
}

.slide-menu-item span {
    font-size: 1rem;
}

.slide-menu-item-premium {
    background: linear-gradient(135deg, rgba(201, 165, 90, 0.1), rgba(201, 165, 90, 0.05));
}

.slide-menu-item-premium i {
    color: var(--color-primary);
}

.slide-menu-badge {
    margin-left: auto;
    background: var(--color-primary);
    color: var(--color-bg);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.slide-menu-item-danger {
    color: var(--color-danger);
}

.slide-menu-item-danger i {
    color: var(--color-danger);
}

.slide-menu-item-admin {
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.1) 0%, rgba(201, 165, 90, 0.1) 100%);
    border: 1px solid rgba(230, 57, 70, 0.3);
    border-radius: var(--radius-md);
}

.slide-menu-item-admin i {
    color: var(--color-danger);
}

.slide-menu-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    padding-bottom: calc(var(--spacing-md) + var(--safe-bottom));
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--color-border);
}

.slide-menu-footer i {
    color: var(--color-secondary);
}

/* ===== Bottom Navigation ===== */
.nav-bottom {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-sm);
    padding-bottom: calc(var(--spacing-sm) + var(--safe-bottom));
    z-index: 100;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-muted);
    font-size: 0.8rem;
    padding: var(--spacing-sm) var(--spacing-md);
    position: relative;
    transition: color var(--transition-fast);
}

.nav-item i {
    font-size: 1.75rem;
}

.nav-item.active,
.nav-item:hover {
    color: var(--color-primary);
}

.nav-item .badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--color-secondary);
    color: white;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    min-width: 18px;
    text-align: center;
    animation: badgePop 0.3s ease;
}

@keyframes badgePop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.nav-item .badge-matches {
    background: var(--color-primary);
}

.nav-item .badge-messages {
    background: var(--color-secondary);
}

/* ===== Cards ===== */
.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-secondary);
    font-size: 1.05rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    min-height: 48px;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-bg);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: var(--color-bg-elevated);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
}

.btn-danger {
    background: var(--color-danger);
    color: white;
}

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--radius-full);
}

.btn-icon i {
    font-size: 1.5rem;
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-secondary);
    font-size: 1.05rem;
    color: var(--color-text);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast);
    min-height: 48px;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238a8a9a'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ===== Profile Card (Discover) ===== */
.profile-card {
    position: relative;
    width: calc(100% + var(--spacing-sm) * 2);
    margin-left: calc(var(--spacing-sm) * -1);
    margin-right: calc(var(--spacing-sm) * -1);
    aspect-ratio: 3/4;
    min-height: 420px;
    border-radius: 0;
    overflow: hidden;
    box-shadow: none;
}

@media (min-width: 500px) {
    .profile-card {
        width: 100%;
        max-width: 480px;
        margin: 0 auto;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
    }
}

@media (max-height: 700px) {
    .profile-card {
        aspect-ratio: 4/5;
        min-height: 350px;
    }
}

.profile-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    padding-bottom: var(--spacing-xl);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
}

.profile-card-name {
    font-family: var(--font-primary);
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.profile-card-age {
    font-weight: 300;
    opacity: 0.9;
}

.profile-card-info {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
    font-size: 1rem;
    color: rgba(255,255,255,0.85);
}

.profile-card-info i {
    margin-right: var(--spacing-xs);
    color: var(--color-primary);
}

/* Match Badge Overlay */
.match-badge-overlay {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(15, 15, 26, 0.85);
    backdrop-filter: blur(8px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 2px solid var(--color-primary);
    box-shadow: 0 4px 20px rgba(201, 165, 90, 0.3);
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(201, 165, 90, 0.3);
    }
    50% {
        box-shadow: 0 4px 30px rgba(201, 165, 90, 0.5);
    }
}

.match-badge-logo {
    width: 36px;
    height: auto;
    color: var(--color-primary);
    filter: drop-shadow(0 0 8px rgba(201, 165, 90, 0.5));
}

.match-badge-text {
    font-family: var(--font-primary);
    font-size: 0.75rem;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Swipe Indicators */
.swipe-indicator {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.1s ease;
    pointer-events: none;
}

.swipe-indicator i {
    font-size: 3rem;
}

.swipe-indicator-like {
    right: 20px;
    background: rgba(76, 175, 80, 0.9);
    border: 4px solid #4CAF50;
    color: white;
}

.swipe-indicator-pass {
    left: 20px;
    background: rgba(244, 67, 54, 0.9);
    border: 4px solid #F44336;
    color: white;
}

/* Discover container for swipe animation */
.discover-container {
    transform-origin: center bottom;
    padding-bottom: 160px;
}

/* ===== Profile Details (Full View) ===== */
.profile-details {
    max-width: 100%;
    margin: var(--spacing-md) 0 0;
}

.profile-details .profile-section {
    border-radius: 0;
    margin-left: calc(var(--spacing-sm) * -1);
    margin-right: calc(var(--spacing-sm) * -1);
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

@media (min-width: 500px) {
    .profile-details {
        max-width: 480px;
        margin: var(--spacing-md) auto 0;
    }

    .profile-details .profile-section {
        border-radius: var(--radius-md);
        margin-left: 0;
        margin-right: 0;
    }
}

.profile-section {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.profile-section h3 {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.profile-section h3 i {
    color: var(--color-primary);
    font-size: 1.25rem;
}

.profile-section p.text-muted {
    font-size: 1.05rem;
}

.profile-bio {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text);
}

/* ===== Swipe Actions Container ===== */
.swipe-actions-container {
    position: fixed;
    bottom: calc(85px + var(--safe-bottom));
    left: 0;
    right: 0;
    background: linear-gradient(transparent, var(--color-bg) 30%);
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    z-index: 50;
}

.swipe-hint {
    text-align: center;
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
}

/* ===== Swipe Actions ===== */
.swipe-actions {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 0;
}

.swipe-btn {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid;
    background: var(--color-bg-card);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.swipe-btn i {
    font-size: 2.25rem;
}

.swipe-btn-pass {
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.swipe-btn-pass:hover {
    background: var(--color-danger);
    color: white;
}

.swipe-btn-anchor {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.swipe-btn-anchor:hover {
    background: var(--color-primary);
    color: var(--color-bg);
    box-shadow: var(--shadow-glow);
}

/* Herzbluth Logo Icon in Swipe Button */
.swipe-btn-anchor .herzbluth-icon {
    display: block;
    width: 36px;
    height: 44px;
    color: currentColor;
    transition: transform var(--transition-fast);
}

.swipe-btn-anchor:hover .herzbluth-icon {
    transform: scale(1.1);
}

.swipe-btn-anchor:active .herzbluth-icon {
    transform: scale(0.95);
}

/* ===== Genres/Tags ===== */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tag:hover,
.tag.selected {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.tag i {
    font-size: 1.2rem;
}

/* ===== Match List ===== */
.match-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    margin-left: calc(var(--spacing-sm) * -1);
    margin-right: calc(var(--spacing-sm) * -1);
    background: var(--color-border);
}

@media (min-width: 500px) {
    .match-list {
        margin-left: 0;
        margin-right: 0;
        gap: var(--spacing-sm);
        background: transparent;
    }
}

.match-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: 0;
    transition: background var(--transition-fast);
}

.match-item:hover {
    background: var(--color-bg-elevated);
}

@media (min-width: 500px) {
    .match-item {
        border-radius: var(--radius-md);
    }
}

.match-avatar-link {
    flex-shrink: 0;
}

.match-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--spacing-xs);
    color: var(--color-text-muted);
    text-decoration: none;
}

.match-meta i {
    font-size: 1.25rem;
}

/* Page title with padding */
.page-title-padded {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    padding: 0 var(--spacing-md);
}

/* Inline Page Header (within content, with back button) */
.page-header-inline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: calc(var(--spacing-sm) * -1);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
}

.page-header-inline .page-header-back {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.5rem;
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

.page-header-inline .page-header-back:hover {
    background: var(--color-bg-elevated);
}

.page-header-inline .page-header-title {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    color: var(--color-text);
}

.page-header-inline .page-header-spacer {
    width: 44px;
}

.match-item:hover {
    background: var(--color-bg-elevated);
}

.match-avatar {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--color-primary);
    flex-shrink: 0;
}

.match-info {
    flex: 1;
    min-width: 0;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.match-name {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.match-preview {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.match-time {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.match-unread .match-preview {
    color: var(--color-text);
    font-weight: 500;
}

/* ===== Chat ===== */
.chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 160px);
}

.chat-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.chat-header img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.chat-header h2 {
    font-size: 1.25rem;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.message {
    max-width: 80%;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 1rem;
    line-height: 1.5;
}

.message-sent {
    align-self: flex-end;
    background: var(--color-primary);
    color: var(--color-bg);
    border-bottom-right-radius: var(--spacing-xs);
}

.message-received {
    align-self: flex-start;
    background: var(--color-bg-elevated);
    border-bottom-left-radius: var(--spacing-xs);
}

.chat-input {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
}

.chat-input input {
    flex: 1;
}

/* ===== Flash Messages ===== */
.flash {
    position: fixed;
    top: calc(var(--spacing-md) + var(--safe-top));
    left: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    text-align: center;
    z-index: 200;
    animation: slideDown 0.3s ease;
}

.flash-success {
    background: var(--color-success);
    color: var(--color-bg);
}

.flash-error {
    background: var(--color-danger);
    color: white;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ===== Logo ===== */
.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.logo svg {
    width: 100px;
    height: auto;
    color: var(--color-primary);
    filter: drop-shadow(0 4px 20px rgba(201, 165, 90, 0.3));
}

.logo-text {
    font-family: var(--font-primary);
    font-size: 2.25rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-primary);
}

/* ===== Auth Pages ===== */
.auth-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-xl);
}

.auth-form {
    width: 100%;
    max-width: 360px;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

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

/* ===== Empty States ===== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    color: var(--color-text-muted);
}

.empty-state i {
    font-size: 5rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state p {
    font-size: 1.05rem;
    line-height: 1.6;
}

/* ===== Utilities ===== */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.hidden { display: none !important; }

/* ===== Animations ===== */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* ===== Swipe Animation ===== */
.swipe-left {
    animation: swipeLeft 0.3s ease forwards;
}

.swipe-right {
    animation: swipeRight 0.3s ease forwards;
}

@keyframes swipeLeft {
    to {
        transform: translateX(-150%) rotate(-20deg);
        opacity: 0;
    }
}

@keyframes swipeRight {
    to {
        transform: translateX(150%) rotate(20deg);
        opacity: 0;
    }
}

/* ===== Match Modal ===== */
.match-modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 15, 26, 0.97);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 300;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.match-modal-visible {
    opacity: 1;
}

.match-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.match-particle {
    position: absolute;
    bottom: -20px;
    opacity: 0;
    animation: floatUp 4s ease-out forwards;
}

@keyframes floatUp {
    0% {
        opacity: 0;
        transform: translateY(0) rotate(0deg) scale(0);
    }
    10% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-100vh) rotate(360deg) scale(0.5);
    }
}

.match-modal-content {
    background: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 360px;
    width: 100%;
    position: relative;
    z-index: 1;
    transform: scale(0.8) translateY(20px);
    opacity: 0;
    animation: matchContentIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s forwards;
}

@keyframes matchContentIn {
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

/* Anchor burst animation */
.match-anchor-burst {
    position: relative;
    width: 140px;
    height: 140px;
    margin: 0 auto var(--spacing-lg);
}

.match-anchor-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    color: var(--color-primary);
    animation: anchorPulse 1.5s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(201, 165, 90, 0.6));
}

.match-logo-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: auto;
    color: var(--color-primary);
    animation: logoPulse 1.5s ease-in-out infinite;
    filter: drop-shadow(0 0 25px rgba(201, 165, 90, 0.7));
}

@keyframes logoPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        filter: drop-shadow(0 0 25px rgba(201, 165, 90, 0.7));
    }
    50% {
        transform: translate(-50%, -50%) scale(1.15);
        filter: drop-shadow(0 0 40px rgba(201, 165, 90, 0.9));
    }
}

@keyframes anchorPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

.match-heart {
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 1.5rem;
    color: var(--color-secondary);
    opacity: 0;
    animation: heartBurst 1s ease-out forwards;
}

.match-heart-1 { animation-delay: 0.1s; --angle: -30deg; --distance: 60px; }
.match-heart-2 { animation-delay: 0.15s; --angle: 30deg; --distance: 55px; }
.match-heart-3 { animation-delay: 0.2s; --angle: 90deg; --distance: 50px; }
.match-heart-4 { animation-delay: 0.25s; --angle: 150deg; --distance: 55px; }
.match-heart-5 { animation-delay: 0.3s; --angle: 210deg; --distance: 60px; }
.match-heart-6 { animation-delay: 0.35s; --angle: 270deg; --distance: 50px; }

@keyframes heartBurst {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0);
    }
    50% {
        opacity: 1;
        transform: translate(
            calc(-50% + cos(var(--angle)) * var(--distance)),
            calc(-50% + sin(var(--angle)) * var(--distance))
        ) scale(1.2);
    }
    100% {
        opacity: 0;
        transform: translate(
            calc(-50% + cos(var(--angle)) * calc(var(--distance) * 1.5)),
            calc(-50% + sin(var(--angle)) * calc(var(--distance) * 1.5))
        ) scale(0.5);
    }
}

.match-title {
    font-family: var(--font-primary);
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    animation: textGlow 2s ease-in-out infinite;
}

@keyframes textGlow {
    0%, 100% { text-shadow: 0 0 10px rgba(201, 165, 90, 0.3); }
    50% { text-shadow: 0 0 25px rgba(201, 165, 90, 0.6); }
}

.match-subtitle {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

.match-subtitle strong {
    color: var(--color-text);
}

.match-avatar-container {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
}

.match-avatar-glow {
    position: absolute;
    inset: -8px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    animation: glowRotate 3s linear infinite;
    opacity: 0.8;
}

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

.match-modal-avatar {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 4px solid var(--color-bg-card);
    animation: avatarPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.4s both;
}

@keyframes avatarPop {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.match-btn-chat {
    animation: btnPulse 2s ease-in-out 1s infinite;
}

@keyframes btnPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(201, 165, 90, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(201, 165, 90, 0); }
}