/* Variables */
:root {
    /* Dark Theme (Default) */
    --bg-color: #0d0f18;
    --bg-secondary: #12141e;
    --bg-tertiary: #171a26;
    --bg-card: #1e2132;
    --text-color: #f5f6fa;
    --text-secondary: #a2a8bc;
    --text-tertiary: #717790;
    --border-color: #2c3049;
    --primary-color: #6366f1;
    --primary-hover: #818cf8;
    --primary-light: rgba(99, 102, 241, 0.15);
    --secondary-color: #334155;
    --secondary-hover: #475569;
    --danger-color: #ef4444;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --modal-overlay: rgba(0, 0, 0, 0.75);
    --gradient-start: #6366f1;
    --gradient-middle: #8b5cf6;
    --gradient-end: #d946ef;
    --placeholder-color: #202437;
    --glass-bg: rgba(18, 20, 30, 0.7);
    --blur-amount: 10px;
    --border-radius: 1rem;
    --button-radius: 0.75rem;
    --card-radius: 1.25rem;
    --transition-slow: 0.5s;
    --transition-medium: 0.3s;
    --transition-fast: 0.15s;
}

/* Light Theme */
.light-theme {
    --bg-color: #f8f9fc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #eef2ff;
    --bg-card: #ffffff;
    --text-color: #1e293b;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --border-color: #e2e8f0;
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: rgba(79, 70, 229, 0.1);
    --secondary-color: #e2e8f0;
    --secondary-hover: #cbd5e1;
    --shadow-color: rgba(15, 23, 42, 0.1);
    --modal-overlay: rgba(15, 23, 42, 0.5);
    --placeholder-color: #f1f5f9;
    --glass-bg: rgba(255, 255, 255, 0.8);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color var(--transition-medium), color var(--transition-medium);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
}

/* Typography */
h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.3rem;
}

small, .small {
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideDown {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideLeft {
    from { transform: translateX(30px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideRight {
    from { transform: translateX(-30px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes rotateIn {
    from { transform: rotate(-10deg) scale(0.9); opacity: 0; }
    to { transform: rotate(0) scale(1); opacity: 1; }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

@keyframes dots {
    0%, 20% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
    80%, 100% { transform: translateY(0); }
}

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

@keyframes floatUp {
    0% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0); }
}

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

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

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

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 5px 0 var(--primary-color); }
    50% { box-shadow: 0 0 20px 5px var(--primary-color); }
}

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

.gradient-text {
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.setting-hint {
    display: block;
    color: var(--text-tertiary);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.helper-tip {
    display: block;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    color: var(--text-tertiary);
    opacity: 0.8;
}

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

.pulse-slow {
    animation: pulse 4s infinite;
}

.float-animation {
    animation: floatUp 6s ease-in-out infinite;
}

.fa-spin-hover:hover {
    animation: spin 1.5s linear infinite;
}

.fa-spin-pulse {
    animation: spin 15s linear infinite;
}

.pulse-animation {
    position: relative;
    overflow: hidden;
}

.pulse-animation::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 2s infinite;
    transform: skewX(-20deg);
}

.full-width {
    width: 100% !important;
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-color);
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    animation: fadeIn 0.8s ease-out;
}

.loading-logo {
    position: relative;
    margin-bottom: 1rem;
}

.logo-animation {
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: pulse 3s infinite;
}

.logo-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-middle), var(--gradient-end));
    box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.5);
    margin-bottom: 1.5rem;
    animation: zoomInOut 4s infinite;
}

.logo-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.logo-text .gradient-text {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo-text .subtext {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.loading-animation {
    margin-bottom: 1.5rem;
}

.lds-ellipsis {
    display: inline-block;
    position: relative;
    width: 80px;
    height: 80px;
}

.lds-ellipsis div {
    position: absolute;
    top: 33px;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--primary-color);
    animation-timing-function: cubic-bezier(0, 1, 1, 0);
}

.lds-ellipsis div:nth-child(1) {
    left: 8px;
    animation: lds-ellipsis1 0.6s infinite;
}

.lds-ellipsis div:nth-child(2) {
    left: 8px;
    animation: lds-ellipsis2 0.6s infinite;
}

.lds-ellipsis div:nth-child(3) {
    left: 32px;
    animation: lds-ellipsis2 0.6s infinite;
}

.lds-ellipsis div:nth-child(4) {
    left: 56px;
    animation: lds-ellipsis3 0.6s infinite;
}

@keyframes lds-ellipsis1 {
    0% { transform: scale(0); }
    100% { transform: scale(1); }
}

@keyframes lds-ellipsis2 {
    0% { transform: translate(0, 0); }
    100% { transform: translate(24px, 0); }
}

@keyframes lds-ellipsis3 {
    0% { transform: scale(1); }
    100% { transform: scale(0); }
}

.loading-text {
    font-size: 1.35rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.animated-text {
    display: inline-block;
    background: linear-gradient(90deg, var(--text-color), var(--text-secondary));
    background-size: 200% auto;
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    animation: gradientMove 3s linear infinite;
}

.loading-dots {
    display: inline-flex;
    margin-left: 4px;
}

.loading-dots .dot {
    animation: dots 1.4s infinite;
    display: inline-block;
}

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

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

/* App Header */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background-color: var(--bg-secondary);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
    z-index: 20;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.header-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.header-logo .gradient-text {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.header-version {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Theme Toggle */
.theme-toggle {
    background-color: var(--bg-tertiary);
    color: var(--text-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: background-color var(--transition-medium), transform var(--transition-medium), box-shadow var(--transition-medium);
    box-shadow: 0 2px 10px var(--shadow-color);
}

.theme-toggle:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
    color: white;
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);
}

/* Menu Toggle */
.menu-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--bg-tertiary);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: var(--button-radius);
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: 0 2px 10px var(--shadow-color);
}

.menu-toggle:hover {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);
}

/* Main Container */
.main-container {
    display: flex;
    min-height: 100vh;
    padding-top: 70px; /* Match header height */
}

/* Sidebar */
.sidebar {
    width: 350px;
    flex-shrink: 0;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    min-height: calc(100vh - 70px);
    padding: 1.5rem;
    overflow-y: auto;
    transition: transform var(--transition-medium) ease;
    position: fixed;
    left: 0;
    top: 70px;
    bottom: 0;
    z-index: 18;
    box-shadow: 5px 0 20px var(--shadow-color);
    scrollbar-width: thin;
    scrollbar-color: var(--text-tertiary) var(--bg-tertiary);
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

.sidebar::-webkit-scrollbar-thumb {
    background-color: var(--text-tertiary);
    border-radius: 20px;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.app-title {
    font-size: 1.6rem;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0;
}

.sidebar-close {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color var(--transition-medium);
}

.sidebar-close:hover {
    color: var(--danger-color);
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-section-title {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

/* Latest Creation Preview */
.latest-creation-preview {
    margin-bottom: 1rem;
}

.latest-creation {
    background-color: var(--bg-tertiary);
    border-radius: var(--card-radius);
    overflow: hidden;
    aspect-ratio: 1/1;
    position: relative;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: transform var(--transition-medium);
}

.latest-creation:hover {
    transform: translateY(-5px);
}

.latest-creation img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.latest-creation-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    padding: 1rem;
    text-align: center;
}

.latest-creation-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

textarea, input[type="text"], input[type="number"], select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--button-radius);
    background-color: var(--bg-tertiary);
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition-medium), box-shadow var(--transition-medium);
}

textarea:focus, input[type="text"]:focus, input[type="number"]:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.prompt-container {
    position: relative;
}

.upgrade-btn {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-medium);
    padding: 0.4rem;
    border-radius: 0.5rem;
}

.upgrade-btn:hover {
    color: white;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.5);
}

.seed-container {
    display: flex;
    gap: 0.5rem;
}

.seed-container input {
    flex: 1;
}

.random-btn {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--button-radius);
    cursor: pointer;
    transition: all var(--transition-medium);
}

.random-btn:hover {
    color: white;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.5);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.checkbox-group label {
    margin-bottom: 0;
    cursor: pointer;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    height: 6px;
    background: var(--secondary-color);
    border-radius: 3px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.slider-container span {
    min-width: 40px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Buttons */
.primary-btn, .secondary-btn, .control-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.5rem;
    border-radius: var(--button-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-medium);
    border: none;
    font-size: 1rem;
    font-family: inherit;
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.primary-btn:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(99, 102, 241, 0.5);
}

.secondary-btn {
    background-color: var(--secondary-color);
    color: var(--text-color);
}

.secondary-btn:hover:not(:disabled) {
    background-color: var(--secondary-hover);
    transform: translateY(-2px);
}

.control-btn {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
}

.control-btn:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.primary-btn:disabled, .secondary-btn:disabled, .control-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem;
    margin-left: 350px;
    transition: margin-left var(--transition-medium) ease;
}

.content-section {
    margin-bottom: 3rem;
    animation: slideUp 0.5s ease-out;
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 60%;
    height: 3px;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    border-radius: 3px;
}

/* Image Display */
.image-display {
    width: 100%;
    min-height: 500px;
    background-color: var(--bg-secondary);
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: 0 8px 30px var(--shadow-color);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: transform var(--transition-medium);
}

.image-display:hover {
    transform: translateY(-5px);
}

.placeholder-wrapper {
    width: 100%;
    height: 100%;
    min-height: 500px;
    background-color: var(--placeholder-color);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
}

.placeholder-content {
    text-align: center;
    padding: 2rem;
}

.placeholder-icon {
    font-size: 5rem;
    margin-bottom: 1.5rem;
    opacity: 0.5;
    color: var(--text-secondary);
}

.display-image {
    width: 100%;
    height: auto;
    display: block;
    animation: rotateIn 0.7s ease-out;
}

.image-display .loading-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.loading-shimmer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, 
        var(--placeholder-color) 0%, 
        var(--bg-secondary) 50%, 
        var(--placeholder-color) 100%);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite linear;
}

/* Image Controls */
.image-controls {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.image-controls .control-btn {
    flex: 1;
}

/* History Gallery */
.history-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

.history-item {
    position: relative;
    cursor: pointer;
    border-radius: var(--card-radius);
    overflow: hidden;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    box-shadow: 0 4px 20px var(--shadow-color);
    aspect-ratio: 1 / 1;
    background-color: var(--bg-secondary);
    will-change: transform;
    perspective: 1000px;
}

.history-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--primary-color), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
    mix-blend-mode: overlay;
    pointer-events: none;
}

.history-item::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, transparent 30%);
    opacity: 0;
    mix-blend-mode: overlay;
    transform: scale(0.5);
    z-index: 2;
    transition: transform 0.6s ease, opacity 0.6s ease;
    pointer-events: none;
}

.history-item:hover {
    transform: translateY(-8px) scale(1.02) rotateX(3deg) rotateY(-3deg);
    box-shadow: 0 15px 35px var(--shadow-color), 
                0 0 0 2px var(--primary-color),
                10px 10px 20px rgba(0,0,0,0.1);
}

.history-item:hover::before {
    opacity: 0.5;
}

.history-item:hover::after {
    opacity: 0.3;
    transform: scale(1) translate(25%, 25%);
}

.history-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    filter: brightness(1);
}

.history-item:hover .history-img {
    transform: scale(1.08);
    filter: brightness(1.1) contrast(1.1);
}

.history-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.4) 40%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: flex-end;
    padding: 1rem;
    z-index: 3;
}

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

.history-prompt {
    color: white;
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
    transform: translateY(10px);
    opacity: 0;
    transition: transform 0.4s ease, opacity 0.4s ease;
}

.history-item:hover .history-prompt {
    transform: translateY(0);
    opacity: 1;
}

.history-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.history-item:hover .history-actions {
    opacity: 1;
    transform: translateY(0);
}

.history-action-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0;
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    transform: scale(1);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.history-action-btn:hover {
    transform: scale(1.2);
    background-color: var(--primary-color);
    border-color: transparent;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.6);
}

.history-action-btn.view-btn:hover {
    background-color: var(--info-color);
}

.history-action-btn.regenerate-btn:hover {
    background-color: var(--success-color);
}

.history-action-btn.download-btn:hover {
    background-color: var(--warning-color);
}

.history-action-btn i {
    transition: transform 0.3s ease;
}

.history-action-btn:hover i {
    transform: scale(1.1);
}

.history-item::before,
.history-item:hover::before,
.history-item::after,
.history-item:hover::after,
.history-item:hover,
.history-overlay,
.history-item:hover .history-overlay,
.history-img,
.history-item:hover .history-img,
.history-prompt,
.history-item:hover .history-prompt,
.history-actions,
.history-item:hover .history-actions,
.history-action-btn,
.history-action-btn:hover {
    will-change: transform, opacity, filter;
}

.empty-history-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
    background-color: var(--bg-secondary);
    border-radius: var(--card-radius);
    box-shadow: 0 4px 20px var(--shadow-color);
}

.empty-history-message i {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.4;
    color: var(--text-tertiary);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

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

.modal-content {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 550px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 15px 50px var(--shadow-color);
    animation: slideUp 0.5s ease-out;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.modal-content.fullscreen {
    max-width: 90%;
    width: 1100px;
    height: 90vh;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background-color: var(--bg-secondary);
    z-index: 10;
}

.modal-header h2 {
    margin-bottom: 0;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.close-modal {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color var(--transition-medium);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    color: var(--danger-color);
    background-color: var(--bg-tertiary);
}

.modal-body {
    padding: 1.5rem;
    flex: 1;
    overflow-y: auto;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    position: sticky;
    bottom: 0;
    background-color: var(--bg-secondary);
    z-index: 10;
}

.modal-footer .primary-btn,
.modal-footer .secondary-btn {
    min-width: 130px;
}

/* Enhancement Animation */
.enhancement-animation {
    margin: 1.5rem 0;
    position: relative;
    height: 2px;
    background-color: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.enhancement-line {
    height: 100%;
    width: 30%;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    border-radius: 2px;
    position: absolute;
    top: 0;
    left: 0;
    animation: shimmer 1.5s infinite;
}

/* Modal Columns Layout */
.modal-columns {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
    height: 100%;
}

/* Image Viewer */
.image-viewer-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
    background-color: var(--bg-tertiary);
}

.image-viewer-container img {
    width: 100%;
    height: auto;
    object-fit: contain;
    flex: 1;
    display: block;
    background-color: var(--bg-tertiary);
}

.image-actions {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
}

.image-action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border-radius: var(--button-radius);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-medium);
    font-weight: 500;
    font-size: 0.9rem;
}

.image-action-btn:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Image Details */
.image-details {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.detail-section {
    flex: 1;
    margin-bottom: 2rem;
}

.detail-section-title {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    position: relative;
}

.detail-section-title::after {
    content: '';
    position: absolute;
    bottom: -7px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    border-radius: 3px;
}

.detail-item {
    margin-bottom: 1.5rem;
}

.detail-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-value {
    line-height: 1.5;
    display: block;
    color: var(--text-color);
    font-size: 0.95rem;
    background-color: var(--bg-tertiary);
    padding: 0.75rem;
    border-radius: var(--button-radius);
    border: 1px solid var(--border-color);
}

.detail-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.stat-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-color);
    background-color: var(--bg-tertiary);
    padding: 0.5rem;
    border-radius: var(--button-radius);
    border: 1px solid var(--border-color);
    text-align: center;
}

.detail-actions {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Reference Image Handling */
.reference-image-container {
    position: relative;
}

input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 1;
}

.file-upload-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    border: 2px dashed var(--border-color);
    border-radius: var(--button-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-medium);
}

.file-upload-label:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: var(--primary-light);
}

.reference-preview {
    margin-top: 1rem;
    position: relative;
    border-radius: var(--button-radius);
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.reference-preview img {
    width: 100%;
    display: block;
}

.remove-reference {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-medium);
}

.remove-reference:hover {
    background-color: var(--danger-color);
}

/* Share Modal */
.share-preview {
    width: 100%;
    max-height: 300px;
    overflow: hidden;
    border-radius: var(--card-radius);
    margin-bottom: 1.5rem;
    box-shadow: 0 5px 20px var(--shadow-color);
}

.share-preview img {
    width: 100%;
    height: auto;
    display: block;
}

.share-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.share-btn {
    padding: 0.75rem;
    border-radius: var(--button-radius);
    border: none;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.share-btn.facebook {
    background-color: #1877f2;
}

.share-btn.twitter {
    background-color: #1da1f2;
}

.share-btn.pinterest {
    background-color: #e60023;
}

.share-btn.whatsapp {
    background-color: #25d366;
}

.share-link {
    display: flex;
    border-radius: var(--button-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.share-link input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    background-color: var(--bg-tertiary);
    color: var(--text-color);
    font-size: 0.9rem;
}

.copy-btn {
    padding: 0 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-medium);
}

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

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 350px;
}

.toast {
    background-color: var(--bg-secondary);
    color: var(--text-color);
    padding: 1rem 1.5rem;
    border-radius: var(--button-radius);
    box-shadow: 0 10px 30px var(--shadow-color);
    margin-bottom: 10px;
    animation: slideLeft 0.3s forwards;
    display: flex;
    position: relative;
    overflow: hidden;
    border-left: 4px solid var(--primary-color);
}

.toast.info {
    border-left-color: var(--info-color);
}

.toast.success {
    border-left-color: var(--success-color);
}

.toast.warning {
    border-left-color: var(--warning-color);
}

.toast.error {
    border-left-color: var(--danger-color);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 1rem;
}

.toast-message {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.toast-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    transition: color var(--transition-medium);
    align-self: flex-start;
    margin-left: 10px;
}

.toast-close:hover {
    color: var(--danger-color);
}

.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background-color: var(--primary-color);
    width: 100%;
    animation: toast-progress 5s linear forwards;
}

@keyframes toast-progress {
    0% { width: 100%; }
    100% { width: 0%; }
}

.toast.exit {
    animation: slideRight 0.3s forwards;
}

/* Responsive Styles */
@media screen and (max-width: 1200px) {
    .modal-columns {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .image-viewer-container {
        height: auto;
        max-height: 500px;
    }
    
    .detail-section {
        margin-bottom: 1rem;
    }
}

@media screen and (max-width: 1024px) {
    .main-content {
        margin-left: 0;
        padding: 1.5rem;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar-close {
        display: block;
    }
    
    .image-display {
        min-height: 400px;
    }
    
    .placeholder-wrapper {
        min-height: 400px;
    }
}

@media screen and (max-width: 768px) {
    .app-header {
        padding: 0 1rem;
    }
    
    .header-logo .gradient-text {
        font-size: 1.2rem;
    }
    
    .content-section {
        margin-bottom: 2rem;
    }
    
    .history-gallery {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 1rem;
    }
    
    .image-controls {
        flex-direction: column;
    }
    
    .modal-content {
        width: 95%;
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .modal-footer .primary-btn,
    .modal-footer .secondary-btn {
        width: 100%;
    }
    
    .share-options {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 480px) {
    .header-controls {
        gap: 0.5rem;
    }
    
    .menu-toggle span {
        display: none;
    }
    
    .logo-text .gradient-text {
        font-size: 1.8rem;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-actions {
        gap: 0.75rem;
    }
    
    .history-gallery {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
        gap: 0.75rem;
    }
    
    .history-actions {
        gap: 6px;
    }
    
    .history-action-btn {
        width: 30px;
        height: 30px;
        font-size: 0.8rem;
    }
    
    .image-display {
        min-height: 300px;
    }
    
    .placeholder-wrapper {
        min-height: 300px;
    }
    
    .placeholder-icon {
        font-size: 3rem;
    }
    
    .detail-stats {
        grid-template-columns: 1fr 1fr;
    }
}