@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=Poppins:wght@300;400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #e63946;  
    --text-color: #2b2d42;
    --light-bg: #f8f9fa;
    --card-bg: #ffffff;
    --border-color: #e9ecef;
    --input-bg: #f1f3f5;
    --shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    --hover-shadow: 0 12px 25px rgba(67, 97, 238, 0.12);
}

body {
    background-color: var(--light-bg);
    color: var(--text-color);
    overflow-x: hidden;
    font-weight: 400;
}

.container {
    width: 100%;
    min-height: 100vh;
    padding: 15px;
    position: relative;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

/* Header Styles */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 25px;
    transition: all 0.4s ease;
    border-bottom: 3px solid var(--primary-color);
}

header:hover {
    box-shadow: var(--hover-shadow);
    transform: translateY(-2px);
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    position: relative;
    display: inline-block;
    letter-spacing: -0.5px;
}

.logo::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    bottom: -3px;
    left: 0;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 6px;
    transform: scaleX(0);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-origin: bottom right;
}

.logo:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.menu-btn {
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--primary-color);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    z-index: 100;
}

.menu-btn:hover {
    background-color: rgba(67, 97, 238, 0.1);
    transform: rotate(90deg);
}

/* Sidebar Styles */
.sidebar {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background-color: var(--card-bg);
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.5s cubic-bezier(0.77, 0, 0.175, 1);
    padding: 70px 30px;
    z-index: 99;
    border-left: 3px solid var(--primary-color);
}

.sidebar.active {
    right: 0;
}

.sidebar-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    border-radius: 6px;
    border-left: 0px solid var(--primary-color);
}

.sidebar-links a:hover {
    color: var(--primary-color);
    background-color: rgba(67, 97, 238, 0.08);
    transform: translateX(6px);
    border-left: 3px solid var(--primary-color);
}

.sidebar-links i {
    font-size: 1rem;
}

/* Main Content Styles */
.main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 15px;
}

.hero-section {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 35px;
}

.hero-section h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    margin-bottom: 15px;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: fadeInDown 1s ease;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.hero-section p {
    font-size: 1.1rem;
    color: #4a5568;
    line-height: 1.6;
    animation: fadeInUp 1s ease 0.2s both;
}

/* Form Styles */
.ai-form {
    width: 100%;
    max-width: 900px;
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow);
    animation: scaleIn 0.7s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transition: all 0.4s ease;
    border-top: 4px solid var(--primary-color);
}

.ai-form:hover {
    box-shadow: var(--hover-shadow);
    transform: translateY(-3px);
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
    letter-spacing: 0.2px;
}

.prompt-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 0.95rem;
    transition: all 0.4s ease;
    background-color: var(--input-bg);
    color: var(--text-color);
}

.prompt-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
    transform: translateY(-2px);
}

/* Custom Select Dropdown */
.custom-select {
    position: relative;
    display: block;
    width: 100%;
}

.select-selected {
    background-color: var(--input-bg);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 15px;
    cursor: pointer;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.4s ease;
    color: var(--text-color);
}

.select-selected:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.select-selected:after {
    content: '\f107';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 1rem;
    color: var(--primary-color);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.select-selected.active:after {
    transform: rotate(180deg);
}

.select-items {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 99;
    margin-top: 8px;
    border-radius: 10px;
    background-color: var(--card-bg);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    opacity: 0;
    border: 2px solid var(--border-color);
}

.select-items.show {
    max-height: 250px;
    opacity: 1;
}

.select-option {
    padding: 12px 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-color);
}

.select-option:hover {
    background-color: rgba(67, 97, 238, 0.08);
    color: var(--primary-color);
}

.select-option:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.advanced-options {
    margin-top: 25px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.advanced-toggle {
    background: none;
    border: none;
    color: var(--primary-color);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    padding: 8px 12px;
    border-radius: 6px;
}

.advanced-toggle:hover {
    transform: translateX(6px);
    background-color: rgba(67, 97, 238, 0.08);
}

.advanced-toggle i {
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.advanced-toggle.active i {
    transform: rotate(180deg);
}

.advanced-content {
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.advanced-content.show {
    max-height: 350px;
}

.dimensions-control {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 10px;
}

.dimensions-control input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.4s ease;
    background-color: var(--input-bg);
    color: var(--text-color);
}

.dimensions-control input:focus {
    outline: none;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
}

.submit-btn {
    display: block;
    width: 100%;
    padding: 14px;
    margin-top: 25px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.2);
    position: relative;
    overflow: hidden;
}

.submit-btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s ease;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(67, 97, 238, 0.3);
}

.submit-btn:hover:before {
    left: 100%;
}

.submit-btn:active {
    transform: translateY(1px);
}

/* Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(3px);
    z-index: 98;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

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

/* Result Section */
.result-section {
    width: 100%;
    max-width: 900px;
    margin-top: 25px;
    display: none;
}

.result-section.active {
    display: block;
    animation: fadeInUp 1s cubic-bezier(0.19, 1, 0.22, 1);
}

.result-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 25px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.4s ease;
    border-top: 4px solid var(--accent-color);
}

.result-card:hover {
    box-shadow: var(--hover-shadow);
    transform: translateY(-3px);
}

.result-card h3 {
    margin-bottom: 18px;
    color: var(--secondary-color);
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
}

.result-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 10px;
    margin: 0 auto;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12);
    transition: all 0.4s ease;
    transform: scale(0.98);
}

.result-image:hover {
    transform: scale(1);
    box-shadow: 0 8px 20px rgba(67, 97, 238, 0.15);
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.download-btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s ease;
}

.download-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(67, 97, 238, 0.2);
}

.download-btn:hover:before {
    left: 100%;
}

/* Enhanced Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Additional Animation for Elements */
.form-group, .dimensions-control input {
    animation: fadeInUp 0.6s cubic-bezier(0.19, 1, 0.22, 1);
    animation-fill-mode: both;
}

.form-group:nth-child(1) {
    animation-delay: 0.1s;
}

.form-group:nth-child(2) {
    animation-delay: 0.15s;
}

.form-group:nth-child(3) {
    animation-delay: 0.2s;
}

.submit-btn {
    animation: fadeInUp 0.6s cubic-bezier(0.19, 1, 0.22, 1) 0.25s;
    animation-fill-mode: both;
}

/* Responsive Styles */
@media (max-width: 768px) {
    header {
        padding: 12px 15px;
    }
    
    .logo {
        font-size: 1.6rem;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .ai-form {
        padding: 20px;
    }
    
    .dimensions-control {
        grid-template-columns: 1fr;
    }
    
    .result-card {
        padding: 20px;
    }
}

* {
    outline: none !important;
    -webkit-tap-highlight-color: transparent;
}

*:focus-visible {
    outline: 2px solid var(--primary-color);
}