/* ============================================================
   TOKYO ANIME HUNTER — Global Design System
   Color Palette: Neon Pink / Deep Purple / Dark Blue
   Dark Mode First · Bootstrap 5 Override Layer
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Orbitron:wght@400;500;600;700;800;900&family=Exo+2:wght@300;400;500;600;700;800&display=swap');

/* ── CSS Custom Properties ── */
:root {
    /* Core palette */
    --tah-black:        #050510;
    --tah-dark:         #0D0B1E;
    --tah-dark-alt:     #110E24;
    --tah-dark-card:    #13102A;
    --tah-dark-surface: #1A1635;
    --tah-dark-border:  #2A2450;

    /* Neon pink spectrum */
    --tah-pink:         #FF2D78;
    --tah-pink-light:   #FF5A9E;
    --tah-pink-hot:     #FF0066;
    --tah-pink-glow:    rgba(255, 45, 120, 0.35);
    --tah-pink-subtle:  rgba(255, 45, 120, 0.08);

    /* Purple spectrum */
    --tah-purple:       #6B2FA0;
    --tah-purple-deep:  #4A1D75;
    --tah-purple-light: #9B59B6;
    --tah-purple-glow:  rgba(107, 47, 160, 0.35);

    /* Accent blues */
    --tah-blue:         #1E90FF;
    --tah-blue-dark:    #0A1628;
    --tah-cyan:         #00E5FF;
    --tah-cyan-glow:    rgba(0, 229, 255, 0.25);

    /* Functional */
    --tah-success:      #00E676;
    --tah-warning:      #FFD600;
    --tah-danger:       #FF1744;
    --tah-gold:         #FFD700;
    --tah-silver:       #C0C0C0;

    /* Text */
    --tah-text:         #E8E0F0;
    --tah-text-dim:     #9B8FB8;
    --tah-text-muted:   #6B5F85;
    --tah-text-bright:  #FFFFFF;

    /* Typography */
    --font-display:     'Orbitron', sans-serif;
    --font-heading:     'Rajdhani', sans-serif;
    --font-body:        'Exo 2', sans-serif;

    /* Spacing */
    --section-py:       6rem;
    --section-py-mobile: 3.5rem;

    /* Borders & Radius */
    --radius-sm:        6px;
    --radius-md:        12px;
    --radius-lg:        20px;
    --radius-xl:        28px;

    /* Shadows */
    --shadow-card:      0 4px 30px rgba(0,0,0,0.4), 0 0 15px var(--tah-pink-glow);
    --shadow-glow:      0 0 20px var(--tah-pink-glow), 0 0 60px rgba(107,47,160,0.15);
    --shadow-float:     0 12px 40px rgba(0,0,0,0.6);

    /* Transitions */
    --ease-out:         cubic-bezier(0.23, 1, 0.32, 1);
    --ease-bounce:      cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Mobile bottom nav height */
    --mobile-nav-h:     64px;
}

/* ── Global Resets & Base ── */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    background: var(--tah-black);
    color: var(--tah-text);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--tah-dark); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--tah-pink), var(--tah-purple));
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--tah-pink); }

/* ── Selection ── */
::selection {
    background: var(--tah-pink);
    color: #fff;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--tah-text-bright);
    line-height: 1.15;
}

.tah-display {
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tah-section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    text-align: center;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--tah-pink), var(--tah-purple-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tah-section-subtitle {
    text-align: center;
    color: var(--tah-text-dim);
    font-size: 1.05rem;
    margin-bottom: 3rem;
    font-weight: 400;
}

/* ── Neon Text Effects ── */
.neon-text {
    color: var(--tah-pink);
    text-shadow:
        0 0 7px var(--tah-pink-glow),
        0 0 20px var(--tah-pink-glow),
        0 0 42px rgba(255,45,120,0.15);
}

.neon-text-purple {
    color: var(--tah-purple-light);
    text-shadow:
        0 0 7px var(--tah-purple-glow),
        0 0 20px var(--tah-purple-glow);
}

/* ── Layout Utilities ── */
.tah-section {
    padding: var(--section-py) 0;
    position: relative;
}

.tah-section-alt {
    background: var(--tah-dark-alt);
}

.tah-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ── Navbar ── */
.tah-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    background: rgba(5, 5, 16, 0.85);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid rgba(255,45,120,0.12);
    transition: all 0.3s var(--ease-out);
    padding: 0.5rem 0;
}

.tah-navbar.scrolled {
    background: rgba(5, 5, 16, 0.95);
    box-shadow: 0 4px 30px rgba(0,0,0,0.5), 0 0 20px var(--tah-pink-glow);
}

.tah-navbar .navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--tah-pink) !important;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    text-decoration: none;
}

.tah-navbar .navbar-brand img {
    height: 42px;
    width: 42px;
    border-radius: 50%;
    border: 2px solid var(--tah-pink);
    box-shadow: 0 0 12px var(--tah-pink-glow);
}

.tah-navbar .nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--tah-text-dim) !important;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem 1rem !important;
    position: relative;
    transition: color 0.25s;
}

.tah-navbar .nav-link:hover,
.tah-navbar .nav-link.active {
    color: var(--tah-pink) !important;
}

.tah-navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--tah-pink);
    box-shadow: 0 0 8px var(--tah-pink-glow);
    transform: translateX(-50%);
    transition: width 0.3s var(--ease-out);
}

.tah-navbar .nav-link:hover::after,
.tah-navbar .nav-link.active::after {
    width: 60%;
}

.tah-navbar .navbar-toggler {
    border: 1px solid var(--tah-pink);
    padding: 0.35rem 0.6rem;
}

.tah-navbar .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23FF2D78' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

/* ── Buttons ── */
.btn-tah {
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.7rem 2rem;
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.btn-tah-pink {
    background: linear-gradient(135deg, var(--tah-pink), var(--tah-pink-hot));
    color: #fff;
    box-shadow: 0 4px 15px var(--tah-pink-glow);
}

.btn-tah-pink:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--tah-pink-glow), 0 0 40px rgba(255,45,120,0.2);
    color: #fff;
}

.btn-tah-outline {
    background: transparent;
    border: 2px solid var(--tah-pink);
    color: var(--tah-pink);
}

.btn-tah-outline:hover {
    background: var(--tah-pink);
    color: #fff;
    box-shadow: 0 0 20px var(--tah-pink-glow);
}

.btn-tah-purple {
    background: linear-gradient(135deg, var(--tah-purple), var(--tah-purple-deep));
    color: #fff;
    box-shadow: 0 4px 15px var(--tah-purple-glow);
}

.btn-tah-purple:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--tah-purple-glow);
    color: #fff;
}

.btn-tah-gold {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #1a1a2e;
    font-weight: 800;
}

.btn-tah-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,215,0,0.35);
}

/* ── Cards ── */
.tah-card {
    background: var(--tah-dark-card);
    border: 1px solid var(--tah-dark-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.35s var(--ease-out);
    position: relative;
}

.tah-card:hover {
    transform: translateY(-6px);
    border-color: var(--tah-pink);
    box-shadow: var(--shadow-card);
}

.tah-card-img-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1/1;
    background: var(--tah-dark);
}

.tah-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease-out);
}

.tah-card:hover .tah-card-img-wrap img {
    transform: scale(1.08);
}

.tah-card-body {
    padding: 1.2rem;
}

.tah-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    z-index: 2;
}

.tah-badge-sale {
    background: var(--tah-danger);
    color: #fff;
    animation: pulse-badge 2s infinite;
}

.tah-badge-new {
    background: var(--tah-cyan);
    color: var(--tah-dark);
}

.tah-badge-hot {
    background: linear-gradient(135deg, #FF6B00, #FF2D78);
    color: #fff;
}

.tah-badge-live {
    background: var(--tah-danger);
    color: #fff;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tah-badge-live::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #fff;
    animation: live-pulse 1.5s infinite;
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes live-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.7); }
}

/* ── Price Display ── */
.tah-price {
    font-family: var(--font-heading);
    font-weight: 700;
}

.tah-price-current {
    color: var(--tah-pink);
    font-size: 1.3rem;
}

.tah-price-original {
    color: var(--tah-text-muted);
    text-decoration: line-through;
    font-size: 0.9rem;
    margin-left: 0.5rem;
}

.tah-price-discount {
    color: var(--tah-success);
    font-size: 0.85rem;
    font-weight: 600;
}

/* ── Section Dividers ── */
.tah-divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--tah-pink), var(--tah-purple));
    margin: 0 auto 2rem;
    border-radius: 2px;
    box-shadow: 0 0 10px var(--tah-pink-glow);
}

/* ── Grid Particle / Dot Background ── */
.tah-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 1px 1px, rgba(255,45,120,0.06) 1px, transparent 0);
    background-size: 40px 40px;
    pointer-events: none;
}

/* ── Animated Background Gradient ── */
.tah-gradient-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 50%, rgba(107,47,160,0.12) 0%, transparent 70%),
        radial-gradient(ellipse 60% 50% at 80% 30%, rgba(255,45,120,0.08) 0%, transparent 70%);
    pointer-events: none;
}

/* ── Countdown / Timer ── */
.tah-countdown {
    display: flex;
    gap: 0.6rem;
    justify-content: center;
}

.tah-countdown-unit {
    background: var(--tah-dark);
    border: 1px solid var(--tah-dark-border);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    text-align: center;
    min-width: 55px;
}

.tah-countdown-num {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--tah-pink);
    line-height: 1;
}

.tah-countdown-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    color: var(--tah-text-muted);
    letter-spacing: 0.08em;
    margin-top: 0.2rem;
}

/* ── Slots / Progress ── */
.tah-progress-bar {
    height: 8px;
    background: var(--tah-dark);
    border-radius: 4px;
    overflow: hidden;
}

.tah-progress-fill {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--tah-pink), var(--tah-purple));
    box-shadow: 0 0 10px var(--tah-pink-glow);
    transition: width 0.6s var(--ease-out);
}

/* ── Tags / Chips ── */
.tah-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 0.25rem 0.7rem;
    border-radius: 3px;
    border: 1px solid var(--tah-dark-border);
    color: var(--tah-text-dim);
    background: var(--tah-dark);
}

/* ── Animations ── */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 5px var(--tah-pink-glow), 0 0 15px rgba(255,45,120,0.1); }
    50% { box-shadow: 0 0 15px var(--tah-pink-glow), 0 0 40px rgba(255,45,120,0.2); }
}

@keyframes slide-in-up {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scale-in {
    from { opacity: 0; transform: scale(0.85); }
    to { opacity: 1; transform: scale(1); }
}

.animate-float { animation: float 4s ease-in-out infinite; }
.animate-glow { animation: glow-pulse 3s ease-in-out infinite; }

/* Scroll reveal utility */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Hero Section ── */
.tah-hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
}

.tah-hero-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity 0.8s ease;
    pointer-events: none;
}

.tah-hero-slide.active {
    opacity: 1;
    pointer-events: all;
}

.tah-hero-content {
    position: relative;
    z-index: 5;
}

.tah-hero-indicators {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 10;
}

.tah-hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--tah-pink);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s;
}

.tah-hero-dot.active {
    background: var(--tah-pink);
    box-shadow: 0 0 12px var(--tah-pink-glow);
    transform: scale(1.2);
}

/* ── Live Selling ── */
.tah-live-video-frame {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--tah-dark);
    border-radius: var(--radius-md);
    border: 2px solid var(--tah-pink);
    overflow: hidden;
    box-shadow: 0 0 30px var(--tah-pink-glow);
}

.tah-live-chat-bubble {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.8rem;
    background: rgba(13,11,30,0.8);
    border-radius: var(--radius-sm);
    border: 1px solid var(--tah-dark-border);
    font-size: 0.85rem;
    animation: slide-in-up 0.5s var(--ease-out) forwards;
    margin-bottom: 0.5rem;
}

.tah-live-chat-name {
    font-weight: 700;
    color: var(--tah-pink);
    white-space: nowrap;
}

/* ── Ichiban Kuji / Draft ── */
.tah-kuji-slot {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.85rem;
    border: 2px solid var(--tah-dark-border);
    background: var(--tah-dark);
    color: var(--tah-text-dim);
    transition: all 0.4s var(--ease-out);
}

.tah-kuji-slot.filled {
    border-color: var(--tah-pink);
    color: var(--tah-pink);
    box-shadow: 0 0 12px var(--tah-pink-glow);
    background: var(--tah-pink-subtle);
}

.tah-kuji-slot.winner {
    border-color: var(--tah-gold);
    color: var(--tah-gold);
    box-shadow: 0 0 15px rgba(255,215,0,0.4);
    background: rgba(255,215,0,0.08);
    animation: glow-pulse 2s infinite;
}

/* ── Features Grid ── */
.tah-feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(255,45,120,0.12), rgba(107,47,160,0.12));
    border: 1px solid var(--tah-dark-border);
}

/* ── Footer ── */
.tah-footer {
    background: var(--tah-dark);
    border-top: 1px solid var(--tah-dark-border);
    padding: 3rem 0 2rem;
}

.tah-footer a {
    color: var(--tah-text-dim);
    text-decoration: none;
    transition: color 0.25s;
}

.tah-footer a:hover {
    color: var(--tah-pink);
}

.tah-footer-logo {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--tah-pink);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ── Mobile Bottom Navigation Bar ── */
.tah-mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1100;
    background: rgba(5, 5, 16, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255,45,120,0.15);
    height: var(--mobile-nav-h);
    padding: 0;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.5);
}

.tah-mobile-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-around;
    height: 100%;
    padding: 0 0.25rem;
    max-width: 500px;
    margin: 0 auto;
}

.tah-mobile-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    text-decoration: none;
    color: var(--tah-text-muted);
    font-family: var(--font-heading);
    font-size: 0.62rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.4rem 0.3rem;
    border-radius: 8px;
    transition: all 0.25s;
    position: relative;
    min-width: 52px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.tah-mobile-nav-btn svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: all 0.25s;
}

.tah-mobile-nav-btn:hover,
.tah-mobile-nav-btn.active {
    color: var(--tah-pink);
}

.tah-mobile-nav-btn.active::after {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    border-radius: 0 0 3px 3px;
    background: var(--tah-pink);
    box-shadow: 0 0 8px var(--tah-pink-glow);
}

.tah-mobile-nav-btn.is-cart {
    position: relative;
}

.tah-mobile-nav-badge {
    position: absolute;
    top: 2px;
    right: 6px;
    background: var(--tah-danger);
    color: #fff;
    font-size: 0.55rem;
    font-weight: 800;
    min-width: 16px;
    height: 16px;
    line-height: 16px;
    border-radius: 8px;
    text-align: center;
    padding: 0 4px;
}

/* ── Responsive ── */
@media (max-width: 991px) {
    .tah-section { padding: var(--section-py-mobile) 0; }
    .tah-navbar .navbar-collapse {
        background: rgba(5,5,16,0.97);
        border-radius: var(--radius-md);
        padding: 1rem;
        margin-top: 0.5rem;
        border: 1px solid var(--tah-dark-border);
    }
}

@media (max-width: 767px) {
    .tah-mobile-nav { display: block; }
    body { padding-bottom: var(--mobile-nav-h); }
    .tah-footer { padding-bottom: calc(var(--mobile-nav-h) + 1rem); }

    .tah-section-title { font-size: clamp(1.4rem, 5vw, 2rem); }
    .tah-hero { min-height: 90vh; }
}

/* ── Utility ── */
.text-pink { color: var(--tah-pink) !important; }
.text-purple { color: var(--tah-purple-light) !important; }
.text-cyan { color: var(--tah-cyan) !important; }
.text-gold { color: var(--tah-gold) !important; }
.text-dim { color: var(--tah-text-dim) !important; }
.text-muted-tah { color: var(--tah-text-muted) !important; }
.bg-tah-dark { background: var(--tah-dark) !important; }
.bg-tah-card { background: var(--tah-dark-card) !important; }
.border-pink { border-color: var(--tah-pink) !important; }
.glow-pink { box-shadow: 0 0 15px var(--tah-pink-glow) !important; }

/* ── Product Grid ── */
.tah-product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
}

@media (max-width: 575px) {
    .tah-product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    .tah-card-body { padding: 0.8rem; }
    .tah-price-current { font-size: 1.05rem; }
}

/* ── Auction-specific ── */
.tah-auction-timer {
    font-family: var(--font-display);
    color: var(--tah-danger);
    font-weight: 700;
}

/* ── User Avatar ── */
.tah-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--tah-pink), var(--tah-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #fff;
    flex-shrink: 0;
    border: 2px solid transparent;
    transition: all 0.3s var(--ease-out);
}

.tah-user-avatar-lg {
    width: 42px;
    height: 42px;
    font-size: 1.15rem;
}

.tah-user-avatar-xl {
    width: 56px;
    height: 56px;
    font-size: 1.4rem;
}

/* ── Dropdown (sitewide) ── */
.tah-dropdown {
    background: var(--tah-dark-card) !important;
    border: 1px solid var(--tah-dark-border) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: 0 12px 40px rgba(0,0,0,0.6), 0 0 20px var(--tah-pink-glow) !important;
    min-width: 240px;
    padding: 0.4rem 0 !important;
    animation: scale-in 0.2s var(--ease-out);
}

.tah-dropdown-item {
    font-family: var(--font-heading) !important;
    font-weight: 600 !important;
    font-size: 0.9rem !important;
    color: var(--tah-text-dim) !important;
    padding: 0.55rem 1.2rem !important;
    transition: all 0.2s !important;
}

.tah-dropdown-item:hover,
.tah-dropdown-item:focus {
    background: rgba(255,45,120,0.08) !important;
    color: var(--tah-pink) !important;
}

.tah-dropdown-logout {
    color: var(--tah-danger) !important;
}

.tah-dropdown-logout:hover {
    background: rgba(255,23,68,0.1) !important;
    color: var(--tah-danger) !important;
}

.tah-bid-highlight {
    background: linear-gradient(135deg, rgba(255,45,120,0.1), rgba(107,47,160,0.1));
    border: 1px solid var(--tah-pink);
    border-radius: var(--radius-sm);
    padding: 0.8rem 1rem;
}

/* ── Spinner / Loading ── */
.tah-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--tah-dark-border);
    border-top-color: var(--tah-pink);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ── Toast / Notification ── */
.tah-toast {
    position: fixed;
    top: 90px;
    right: 1.5rem;
    z-index: 2000;
    min-width: 280px;
    background: var(--tah-dark-card);
    border: 1px solid var(--tah-pink);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-card);
    animation: slide-in-up 0.4s var(--ease-out);
}

/* ── SVG canvas containers ── */
.tah-d3-container {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.tah-d3-container svg {
    display: block;
    width: 100%;
    height: auto;
}