/* =========================================================
   StickerForge — Design System & Styles
   ========================================================= */

/* ---------- CSS Custom Properties ---------- */
:root {
    /* Colors — Dark Theme */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(22, 22, 35, 0.7);
    --bg-card-hover: rgba(30, 30, 48, 0.8);
    --bg-input: rgba(255, 255, 255, 0.04);
    --bg-input-focus: rgba(255, 255, 255, 0.07);

    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-tertiary: #6b6b82;
    --text-link: #a78bfa;

    --border-color: rgba(255, 255, 255, 0.06);
    --border-focus: rgba(167, 139, 250, 0.5);

    /* Accent Gradients */
    --gradient-primary: linear-gradient(135deg, #a78bfa 0%, #f472b6 50%, #fb923c 100%);
    --gradient-hover: linear-gradient(135deg, #c4b5fd 0%, #f9a8d4 50%, #fdba74 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(167, 139, 250, 0.12) 0%, rgba(244, 114, 182, 0.12) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(167, 139, 250, 0.3) 0%, rgba(244, 114, 182, 0.3) 100%);

    --accent-purple: #a78bfa;
    --accent-pink: #f472b6;
    --accent-orange: #fb923c;
    --accent-green: #34d399;
    --accent-red: #f87171;

    /* Glass */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

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

a:hover {
    color: var(--accent-pink);
}

button {
    cursor: pointer;
    font-family: var(--font-body);
    border: none;
    background: none;
    color: inherit;
}

input,
select {
    font-family: var(--font-body);
    color: var(--text-primary);
}

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

/* ---------- Background Orbs ---------- */
.bg-orbs {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.35), transparent 70%);
    top: -10%;
    left: -5%;
    animation-delay: 0s;
}

.orb-2 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(244, 114, 182, 0.3), transparent 70%);
    top: 30%;
    right: -8%;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(251, 146, 60, 0.25), transparent 70%);
    bottom: 10%;
    left: 15%;
    animation-delay: -10s;
}

.orb-4 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(52, 211, 153, 0.2), transparent 70%);
    bottom: -5%;
    right: 20%;
    animation-delay: -15s;
}

@keyframes orbFloat {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(40px, -30px) scale(1.05);
    }

    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }

    75% {
        transform: translate(30px, 40px) scale(1.02);
    }
}

/* ---------- Header ---------- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    background: rgba(10, 10, 15, 0.75);
    border-bottom: 1px solid var(--border-color);
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {

    0%,
    100% {
        transform: scale(1) rotate(0deg);
    }

    50% {
        transform: scale(1.15) rotate(15deg);
    }
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
}

.settings-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.settings-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--accent-purple);
    transform: rotate(30deg);
}

/* ---------- Settings Modal ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 480px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-spring);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(248, 113, 113, 0.15);
    color: var(--accent-red);
}

.modal-body {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.setting-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: 0.9rem;
}

.setting-label-icon {
    font-size: 1rem;
}

.setting-optional {
    color: var(--text-tertiary);
    font-weight: 400;
    font-size: 0.8rem;
}

.setting-description {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.api-key-wrapper {
    position: relative;
}

.api-key-input {
    width: 100%;
    padding: 0.75rem 3rem 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-family: 'SF Mono', 'Fira Code', monospace;
    letter-spacing: 0.03em;
    transition: all var(--transition-fast);
    outline: none;
}

.api-key-input::placeholder {
    color: var(--text-tertiary);
    font-family: var(--font-body);
    letter-spacing: 0;
}

.api-key-input:focus {
    background: var(--bg-input-focus);
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

.api-key-toggle {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.api-key-toggle:hover {
    color: var(--text-primary);
}

.setting-hint {
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

.setting-hint a {
    color: var(--accent-purple);
}

.model-select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236b6b82' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    cursor: pointer;
}

.model-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.model-select:focus {
    background-color: var(--bg-input-focus);
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

.modal-footer {
    padding: var(--space-lg) var(--space-xl);
    border-top: 1px solid var(--border-color);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.7rem 1.4rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    width: 100%;
    background: var(--gradient-primary);
    color: white;
    padding: 0.8rem;
    border-radius: var(--radius-md);
    font-weight: 700;
}

.btn-primary:hover {
    background: var(--gradient-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(167, 139, 250, 0.3);
}

.btn-generate {
    width: 100%;
    background: var(--gradient-primary);
    color: white;
    padding: 1rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.01em;
    position: relative;
    overflow: hidden;
}

.btn-generate::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.btn-generate:hover::before {
    transform: translateX(100%);
}

.btn-generate:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(167, 139, 250, 0.35);
}

.btn-generate:active {
    transform: translateY(0);
}

.btn-generate.loading .btn-content {
    opacity: 0;
    transform: translateY(10px);
}

.btn-generate.loading .btn-loading {
    opacity: 1;
    transform: translateY(0);
}

.btn-content,
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: all var(--transition-base);
}

.btn-loading {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateY(-10px);
}

.btn-icon {
    transition: transform var(--transition-base);
}

.btn-generate:hover .btn-icon {
    transform: translateX(2px);
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.btn-download {
    background: var(--gradient-primary);
    color: white;
    flex: 1;
}

.btn-download:hover {
    background: var(--gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(167, 139, 250, 0.3);
}

.btn-regenerate {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    flex: 1;
}

.btn-regenerate:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-purple);
    transform: translateY(-2px);
}

.btn-retry {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.6rem 1.5rem;
}

.btn-retry:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-purple);
}

.btn-clear-gallery {
    background: none;
    color: var(--text-tertiary);
    font-size: 0.82rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
}

.btn-clear-gallery:hover {
    color: var(--accent-red);
    background: rgba(248, 113, 113, 0.1);
}

/* ---------- Main Layout ---------- */
.main {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* ---------- Hero ---------- */
.hero {
    text-align: center;
    padding: var(--space-3xl) 0 var(--space-2xl);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.4rem 1rem 0.4rem 0.7rem;
    border-radius: var(--radius-full);
    background: var(--gradient-subtle);
    border: 1px solid rgba(167, 139, 250, 0.15);
    color: var(--accent-purple);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: var(--space-lg);
    animation: badgeFadeIn 0.6s ease-out;
}

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

@keyframes dotPulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

@keyframes badgeFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2.2rem, 6vw, 3.8rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
    animation: heroFadeIn 0.8s ease-out 0.1s both;
}

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

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.6;
    animation: heroFadeIn 0.8s ease-out 0.2s both;
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Generator Section ---------- */
.generator {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    padding-bottom: var(--space-3xl);
    animation: heroFadeIn 0.8s ease-out 0.3s both;
}

.generator-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    box-shadow: var(--glass-shadow);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.input-label {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.input-wrapper {
    position: relative;
}

.prompt-input {
    width: 100%;
    padding: 0.9rem 4rem 0.9rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    outline: none;
    transition: all var(--transition-base);
}

.prompt-input::placeholder {
    color: var(--text-tertiary);
}

.prompt-input:focus {
    background: var(--bg-input-focus);
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

.char-count {
    position: absolute;
    right: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.72rem;
    color: var(--text-tertiary);
    pointer-events: none;
}

/* ---------- Style Chips ---------- */
.styles-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.style-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
}

.style-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    padding: 0.6rem 0.3rem;
    border-radius: var(--radius-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    cursor: pointer;
}

.style-chip:hover {
    background: var(--bg-input-focus);
    border-color: rgba(167, 139, 250, 0.3);
    transform: translateY(-2px);
}

.style-chip.active {
    background: var(--gradient-subtle);
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 1px rgba(167, 139, 250, 0.2), 0 2px 12px rgba(167, 139, 250, 0.15);
}

.style-emoji {
    font-size: 1.3rem;
    line-height: 1;
}

.style-name {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.style-chip.active .style-name {
    color: var(--accent-purple);
}

/* ---------- Result Area ---------- */
.result-area {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 420px;
    box-shadow: var(--glass-shadow);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-xl);
}

.empty-illustration {
    position: relative;
    width: 180px;
    height: 140px;
    margin: 0 auto var(--space-lg);
}

.floating-sticker {
    position: absolute;
    font-size: 2rem;
    animation: float 4s ease-in-out infinite;
}

.s1 {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 0s;
}

.s2 {
    top: 20%;
    left: 10%;
    animation-delay: -0.8s;
    font-size: 1.5rem;
}

.s3 {
    top: 20%;
    right: 10%;
    animation-delay: -1.6s;
    font-size: 1.5rem;
}

.s4 {
    bottom: 10%;
    left: 20%;
    animation-delay: -2.4s;
    font-size: 1.8rem;
}

.s5 {
    bottom: 10%;
    right: 20%;
    animation-delay: -3.2s;
    font-size: 1.8rem;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

.empty-text {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 0.3rem;
}

.empty-subtext {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* Loading State */
.loading-state {
    text-align: center;
    padding: var(--space-lg);
    width: 100%;
}

.sticker-skeleton {
    width: 260px;
    height: 260px;
    border-radius: var(--radius-xl);
    background: var(--bg-input);
    margin: 0 auto var(--space-lg);
    position: relative;
    overflow: hidden;
}

.skeleton-shimmer {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(167, 139, 250, 0.08) 40%,
            rgba(244, 114, 182, 0.08) 60%,
            transparent 100%);
    animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.loading-text {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.dots span {
    animation: dotBounce 1.4s ease-in-out infinite;
}

.dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes dotBounce {

    0%,
    80%,
    100% {
        opacity: 0.3;
    }

    40% {
        opacity: 1;
    }
}

.loading-subtext {
    font-size: 0.82rem;
    color: var(--text-tertiary);
}

/* Sticker Result */
.sticker-result {
    text-align: center;
    width: 100%;
}

.sticker-frame {
    position: relative;
    display: inline-block;
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    animation: stickerReveal 0.5s var(--transition-spring) both;
    /* Checkerboard pattern — signals transparency to the user */
    background-color: #1a1a2e;
    background-image:
        linear-gradient(45deg, #222240 25%, transparent 25%),
        linear-gradient(-45deg, #222240 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #222240 75%),
        linear-gradient(-45deg, transparent 75%, #222240 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

@keyframes stickerReveal {
    from {
        opacity: 0;
        transform: scale(0.8) rotate(-3deg);
    }

    to {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.sticker-image {
    width: 280px;
    height: 280px;
    object-fit: contain;
    display: block;
}

.sticker-actions {
    display: flex;
    gap: var(--space-sm);
}

/* Error State */
.error-state {
    text-align: center;
    padding: var(--space-xl);
}

.error-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.error-text {
    color: var(--accent-red);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

/* ---------- Gallery ---------- */
.gallery-section {
    padding-bottom: var(--space-3xl);
}

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

.gallery-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-md);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
    animation: galleryItemIn 0.3s ease-out both;
}

.gallery-item:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 30px rgba(167, 139, 250, 0.2);
    border-color: var(--accent-purple);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: var(--space-sm);
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-download-btn {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: background var(--transition-fast);
}

.gallery-download-btn:hover {
    background: rgba(255, 255, 255, 0.35);
}

@keyframes galleryItemIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.gallery-empty {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* ---------- Footer ---------- */
.footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-xl) var(--space-xl) var(--space-2xl);
    color: var(--text-tertiary);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
}

/* ---------- Utility ---------- */
.hidden {
    display: none !important;
}

/* ---------- Responsiveness ---------- */
@media (max-width: 768px) {
    .generator {
        grid-template-columns: 1fr;
    }

    .result-area {
        min-height: 350px;
    }

    .sticker-image {
        width: 240px;
        height: 240px;
    }

    .style-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .hero {
        padding: var(--space-2xl) 0 var(--space-xl);
    }

    .main {
        padding: 0 var(--space-md);
    }

    .header-inner {
        padding: var(--space-md);
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }

    .sticker-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .style-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 2rem;
    }

    .sticker-image {
        width: 200px;
        height: 200px;
    }

    .sticker-skeleton {
        width: 200px;
        height: 200px;
    }
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ---------- Selection ---------- */
::selection {
    background: rgba(167, 139, 250, 0.3);
    color: white;
}