/* ============================================================
   ROOT VARIABLES - WHITE THEME
   ============================================================ */
:root {
    --bg: #f0f2f5;
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-card-hover: rgba(255, 255, 255, 0.9);
    --bg-glass: rgba(255, 255, 255, 0.5);
    --border: rgba(0, 0, 0, 0.06);
    --border-hover: rgba(0, 0, 0, 0.12);
    --text: #1a1a2e;
    --text-secondary: #4a4a5e;
    --text-muted: #8a8a9e;
    --accent: #6C63FF;
    --accent-hover: #5849E8;
    --accent-2: #3B82F6;
    --gradient: linear-gradient(135deg, #6C63FF, #3B82F6);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.1);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-full: 50px;
    --transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ============================================================
   RESET
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    position: relative;
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--gradient); border-radius: 10px; }

/* ============================================================
   ORBS
   ============================================================ */
.orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: 0;
    animation: orbFloat 30s ease-in-out infinite alternate;
}
.orb-1 { width: 400px; height: 400px; background: var(--accent); top: -150px; left: -150px; opacity: 0.06; }
.orb-2 { width: 350px; height: 350px; background: var(--accent-2); bottom: -100px; right: -100px; opacity: 0.05; animation-delay: -10s; }
.orb-3 { width: 250px; height: 250px; background: #06b6d4; top: 50%; left: 70%; opacity: 0.04; animation-delay: -20s; }

@keyframes orbFloat {
    0% { transform: translate(0,0) scale(1); }
    50% { transform: translate(50px,-30px) scale(1.1); }
    100% { transform: translate(-30px,40px) scale(0.9); }
}

/* ============================================================
   APP
   ============================================================ */
.app {
    max-width: 1100px;
    margin: 0 auto;
    padding: 12px 20px 60px;
    position: relative;
    z-index: 1;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: sticky;
    top: 16px;
    z-index: 100;
    padding: 0;
    margin-bottom: 30px;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(24px) saturate(1.4);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.nav-container:hover { border-color: var(--border-hover); box-shadow: var(--shadow-hover); }

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}
.logo-svg {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 10px;
}
.logo-text {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.5px;
}
.logo-text .highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
    border-radius: 2px;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 12px; }

.theme-toggle {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    padding: 8px 14px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}
.theme-toggle:hover { background: var(--bg-card-hover); color: var(--text); transform: scale(1.05); }

.mobile-menu-btn {
    display: none;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    padding: 8px 14px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}
.mobile-menu-btn:hover { background: var(--bg-card-hover); color: var(--text); }

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 8px;
    padding: 16px 20px;
    margin-top: 10px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}
.mobile-menu a:hover { background: var(--bg-card-hover); color: var(--text); }

/* ============================================================
   HEADER
   ============================================================ */
.header {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px 0 16px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
}

.logo-icon {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.6rem;
}

.logo-light {
    font-weight: 300;
    opacity: 0.7;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    padding: 4px 0 16px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    padding: 4px 14px 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 12px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%,100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.3; transform: scale(0.6); }
}

.hero-title {
    font-size: clamp(2rem, 10vw, 3rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 6px;
}

.hero-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 320px;
    margin: 0 auto;
    line-height: 1.5;
}

/* ============================================================
   PREVIEW
   ============================================================ */
.preview-section {
    padding: 4px 0 20px;
}

.preview-card-3d {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow), 0 0 60px rgba(108, 99, 255, 0.06);
    transition: var(--transition);
    transform-style: preserve-3d;
    perspective: 800px;
}

.preview-card-3d:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px) rotateX(2deg) rotateY(-2deg);
    box-shadow: var(--shadow), 0 0 100px rgba(108, 99, 255, 0.1);
}

.preview-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.live-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.live-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #4ade80;
    animation: pulse-dot 1.5s ease-in-out infinite;
}

.size-badge {
    font-size: 0.65rem;
    color: var(--text-muted);
    background: var(--bg-input, rgba(0,0,0,0.04));
    padding: 2px 10px;
    border-radius: var(--radius-full);
}

.preview-center {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 4px 0;
}

.qr-wrapper {
    background: white;
    border-radius: var(--radius-sm);
    padding: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    transition: var(--transition);
}

.qr-wrapper:hover {
    transform: scale(1.02);
}

.qr-wrapper canvas {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.preview-bottom {
    text-align: center;
    margin-top: 10px;
}

.update-hint {
    font-size: 0.65rem;
    color: var(--text-muted);
    opacity: 0.6;
    display: block;
    margin-bottom: 8px;
}

.quick-download {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.quick-dl-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--bg-glass);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.quick-dl-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.quick-dl-btn:active {
    transform: scale(0.9);
}

/* ============================================================
   GENERATOR
   ============================================================ */
.generator {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin: 8px 0 20px;
    box-shadow: var(--shadow);
}

/* ============================================================
   TABS
   ============================================================ */
.tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-glass);
    border-radius: var(--radius-sm);
    padding: 4px;
    margin-bottom: 16px;
}

.tab {
    flex: 1;
    padding: 10px 6px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-family: inherit;
}

.tab i { font-size: 0.8rem; }

.tab.active {
    background: var(--bg-card);
    color: var(--text);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.tab:hover:not(.active) {
    color: var(--text);
}

.tab-content {
    display: none;
    animation: fadeUp 0.3s ease;
}

.tab-content.active { display: block; }

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

/* ============================================================
   FORM
   ============================================================ */
.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.type-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.type-btn {
    padding: 8px 4px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.65rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    text-align: center;
}

.type-btn:active { transform: scale(0.95); }

.type-btn.active {
    background: var(--gradient);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 16px rgba(108, 99, 255, 0.3);
}

.type-btn:hover:not(.active) {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

/* Input */
.input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrap input {
    width: 100%;
    padding: 12px 44px 12px 14px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
    font-family: inherit;
}

.input-wrap input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
}

.input-wrap input::placeholder { color: var(--text-muted); }

.clear-input {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 0.7rem;
    transition: var(--transition);
    opacity: 0;
}

.input-wrap input:not(:placeholder-shown) ~ .clear-input { opacity: 1; }

.clear-input:hover { color: var(--text); }

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 6px;
}

.char-counter {
    font-size: 0.6rem;
    color: var(--text-muted);
}

.paste-btn {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    padding: 4px 12px;
    color: var(--text-secondary);
    font-size: 0.6rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 4px;
}

.paste-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text);
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.half { margin-bottom: 0; }

/* Size Selector */
.size-selector {
    display: flex;
    gap: 4px;
    background: var(--bg-glass);
    border-radius: var(--radius-sm);
    padding: 3px;
}

.size-btn {
    flex: 1;
    padding: 6px 4px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.65rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.size-btn:active { transform: scale(0.92); }

.size-btn.active {
    background: var(--bg-card);
    color: var(--text);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.size-btn:hover:not(.active) { color: var(--text); }

.select-clean {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.8rem;
    transition: var(--transition);
    outline: none;
    font-family: inherit;
}

.select-clean:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
}

/* Generate Button */
.btn-generate {
    width: 100%;
    padding: 14px;
    background: var(--gradient);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 24px rgba(108, 99, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: inherit;
}

.btn-generate:active { transform: scale(0.96); }
.btn-generate:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* ============================================================
   STYLE TAB
   ============================================================ */
.style-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 14px;
}

.color-picker label {
    display: block;
    font-size: 0.6rem;
    color: var(--text-secondary);
    margin-bottom: 3px;
}

.color-picker input[type="color"] {
    width: 100%;
    height: 44px;
    padding: 3px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.color-picker input[type="color"]:focus { border-color: var(--accent); }

.style-selector {
    display: flex;
    gap: 4px;
    background: var(--bg-glass);
    border-radius: var(--radius-sm);
    padding: 3px;
}

.style-option {
    flex: 1;
    padding: 8px 4px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.7rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.style-option:active { transform: scale(0.92); }

.style-option.active {
    background: var(--bg-card);
    color: var(--text);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.style-option:hover:not(.active) { color: var(--text); }

.style-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.action-btn {
    flex: 1;
    padding: 10px 6px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.7rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.action-btn:active { transform: scale(0.95); }

.action-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    color: var(--text);
}

/* ============================================================
   DOWNLOAD TAB
   ============================================================ */
.download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.download-btn {
    padding: 14px 6px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 0.65rem;
}

.download-btn:active { transform: scale(0.92); }

.download-btn i {
    font-size: 1.2rem;
    color: var(--text-muted);
}

.download-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    color: var(--text);
}

.download-btn:hover i { color: var(--text); }

/* ============================================================
   HISTORY & FAVORITES
   ============================================================ */
.history-section, .favorites-section {
    margin: 20px 0 16px;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.section-head h2 {
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-head h2 i { color: var(--accent); font-size: 0.85rem; }

.section-actions { display: flex; gap: 6px; }

.icon-btn {
    width: 34px;
    height: 34px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.icon-btn:active { transform: scale(0.9); }

.icon-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text);
    border-color: var(--border-hover);
}

.history-grid, .favorites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
}

.history-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.history-card:active { transform: scale(0.96); }

.history-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.history-card canvas {
    background: white;
    border-radius: 6px;
    padding: 4px;
    max-width: 100%;
    height: auto;
}

.history-card .meta {
    margin-top: 6px;
    font-size: 0.55rem;
    color: var(--text-secondary);
    word-break: break-all;
}

.history-card .meta .name {
    font-weight: 500;
    color: var(--text);
    font-size: 0.65rem;
}

.history-card .card-actions {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 6px;
}

.history-card .fav-btn {
    background: none;
    border: none;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    padding: 2px 6px;
}

.history-card .fav-btn:active { transform: scale(0.8); }

.history-card .del-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.65rem;
    padding: 2px 6px;
    transition: var(--transition);
}

.history-card .del-btn:hover { color: #ff6b6b; }

.empty-state {
    grid-column: 1/-1;
    text-align: center;
    color: var(--text-secondary);
    padding: 32px 0;
    font-size: 0.8rem;
}

.empty-state .empty-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 8px;
}

/* ============================================================
   MORE TOOLS
   ============================================================ */
.more-tools {
    margin: 20px 0 16px;
    text-align: center;
}

.more-tools-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    font-family: inherit;
}

.more-tools-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text);
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.more-tools-btn:active { transform: scale(0.95); }

.more-tools-btn i:last-child { transition: var(--transition); }
.more-tools-btn:hover i:last-child { transform: translateX(4px); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.7rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 8px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    color: var(--text-muted);
    transition: var(--transition);
    font-size: 0.85rem;
}

.footer-social a:active { transform: scale(0.8); }
.footer-social a:hover { color: var(--text); }

/* ============================================================
   TOAST
   ============================================================ */
.toast-container {
    position: fixed;
    bottom: 20px;
    left: 16px;
    right: 16px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 480px;
    margin: 0 auto;
    pointer-events: none;
}

.toast {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--text);
    box-shadow: var(--shadow);
    animation: slideUp 0.4s cubic-bezier(0.22,1,0.36,1);
    display: flex;
    align-items: center;
    gap: 10px;
    pointer-events: auto;
}

.toast.success { border-left: 3px solid #00C853; }
.toast.error { border-left: 3px solid #FF4D8D; }
.toast.info { border-left: 3px solid var(--accent); }

.toast-icon { font-size: 1.1rem; }
.toast-message { flex: 1; font-size: 0.8rem; }

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    padding: 4px;
    pointer-events: auto;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .app { padding: 8px 12px 40px; }

    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }

    .nav-container {
        padding: 8px 16px;
        border-radius: 30px;
    }

    .logo-svg { width: 32px; height: 32px; }
    .logo-text { font-size: 1rem; }

    .hero-title { font-size: 1.8rem; }
    .hero-desc { font-size: 0.85rem; }

    .type-grid { grid-template-columns: repeat(3,1fr); gap: 4px; }
    .type-btn { font-size: 0.6rem; padding: 6px 4px; }
    .form-row { grid-template-columns: 1fr; gap: 10px; }
    .download-grid { grid-template-columns: repeat(3,1fr); gap: 6px; }
    .download-btn { padding: 10px 4px; font-size: 0.6rem; }
    .style-grid { grid-template-columns: 1fr 1fr; gap: 8px; }

    .history-grid, .favorites-grid { grid-template-columns: repeat(auto-fill, minmax(100px,1fr)); gap: 8px; }
    .generator { padding: 12px; }
    .tab { font-size: 0.6rem; padding: 8px 4px; }
    .tab i { font-size: 0.65rem; }

    .footer-inner { font-size: 0.6rem; flex-direction: column; text-align: center; gap: 8px; }

    .quick-dl-btn { width: 32px; height: 32px; font-size: 0.7rem; }

    .toast-container { bottom: 16px; right: 16px; left: 16px; max-width: 100%; }
}

@media (max-width: 420px) {
    .hero-title { font-size: 1.5rem; }
    .type-grid { grid-template-columns: repeat(2,1fr); }
    .generator { padding: 10px; }
    .tab { font-size: 0.55rem; padding: 6px 4px; }
    .tab i { font-size: 0.6rem; }
}

/* ============================================================
   LIGHT THEME
   ============================================================ */
body.dark {
    --bg: #0a0c10;
    --bg-card: rgba(255,255,255,0.04);
    --bg-card-hover: rgba(255,255,255,0.08);
    --bg-glass: rgba(255,255,255,0.03);
    --border: rgba(255,255,255,0.06);
    --border-hover: rgba(255,255,255,0.12);
    --text: #f0f6fc;
    --text-secondary: #8b95a9;
    --text-muted: #5a6478;
    --shadow: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-hover: 0 12px 48px rgba(0,0,0,0.8);
}

body.dark .nav-container { background: rgba(10,12,16,0.7); }
body.dark .mobile-menu { background: rgba(10,12,16,0.95); }
body.dark .toast { background: rgba(16,20,26,0.95); }
body.dark .orb-1 { opacity: 0.04; }
body.dark .orb-2 { opacity: 0.03; }
body.dark .orb-3 { opacity: 0.02; }