:root {
    --primary: #667eea;
    --secondary: #764ba2;
    --bg-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-light: #f8fafc;
    --text-dim: #94a3b8;
    --glass: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
}

.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 30%, #2e1065 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, #1e1b4b 0%, transparent 40%);
    z-index: -1;
}

.container {
    width: 100%;
    max-width: 1000px;
    padding: 40px 20px;
    text-align: center;
}

header {
    margin-bottom: 50px;
}

.logo {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -2px;
}

.logo span {
    color: var(--primary);
    text-shadow: 0 0 20px var(--primary);
}

.subtitle {
    color: var(--text-dim);
    font-size: 1.2rem;
    margin-top: 10px;
}

/* CARDS */
.card-container {
    display: flex;
    gap: 30px;
    justify-content: center;
    margin-top: 40px;
    flex-wrap: wrap;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
    width: 320px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card:hover {
    transform: translateY(-15px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(102, 126, 234, 0.2);
}

.card-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.card p {
    color: var(--text-dim);
    line-height: 1.6;
    margin-bottom: 25px;
}

.btn-select {
    background: transparent;
    border: 2px solid var(--primary);
    color: white;
    padding: 10px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.card:hover .btn-select {
    background: var(--primary);
    box-shadow: 0 0 15px var(--primary);
}

/* HERO & ACTIONS */
.hero-content {
    margin-bottom: 40px;
}

.hero-content h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, white, var(--text-dim));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* LOGIN BOX */
.login-box {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 32px;
    padding: 60px 40px;
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
    backdrop-filter: blur(20px);
}

.login-box h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.login-box input {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    padding: 20px;
    border-radius: 16px;
    color: white;
    font-size: 1.2rem;
    text-align: center;
    margin: 30px 0;
    outline: none;
    transition: all 0.3s;
}

.login-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.2);
}

/* OUTPUT ACTIONS */
.output-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 30px;
}

.btn-preview {
    grid-column: span 2;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    padding: 15px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
    transition: 0.3s;
}

.btn-preview:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
}

.form-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.btn-back {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 1rem;
}

.btn-back:hover {
    color: white;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.full-width {
    grid-column: span 2;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-dim);
    font-weight: 600;
}

.input-group input,
.input-group textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 15px;
    color: white;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

.input-group input:focus,
.input-group textarea:focus {
    border-color: var(--primary);
}

.input-group textarea {
    height: 120px;
    resize: none;
}

/* PRODUCT SECTION (CATALOG) */
.product-section {
    background: rgba(255, 255, 255, 0.03);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.btn-add {
    background: var(--primary);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-add:hover {
    box-shadow: 0 0 15px var(--primary);
    transform: scale(1.05);
}

.product-item {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    padding: 10px;
    border-radius: 12px;
}

.product-item input {
    flex: 1;
    padding: 10px !important;
}

.btn-remove {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.btn-remove:hover {
    background: #ef4444;
    color: white;
}

/* OUTPUT SECTION */
.code-box {
    position: relative;
    background: #000;
    padding: 30px;
    border-radius: 16px;
    margin: 20px 0;
    text-align: left;
    max-height: 400px;
    overflow-y: auto;
}

#code-snippet {
    color: #4ade80;
    font-family: 'Courier New', Courier, monospace;
    white-space: pre-wrap;
    word-break: break-all;
    font-size: 0.85rem;
}

.btn-copy {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--primary);
    border: none;
    color: white;
    padding: 5px 15px;
    border-radius: 8px;
    cursor: pointer;
}

/* BUTTONS */
.btn-generate {
    width: 100%;
    margin-top: 30px;
    padding: 20px;
    border-radius: 16px;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 1.2rem;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-generate:hover {
    transform: scale(1.02);
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.4);
}

/* OUTPUT ACTIONS */
.output-actions {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.btn-edit-back,
.btn-reset {
    flex: 1;
    padding: 15px;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-edit-back {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid var(--border);
}

.btn-edit-back:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-reset {
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--border);
}

.btn-reset:hover {
    color: white;
    border-color: white;
}

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

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

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

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

@media (max-width: 600px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .full-width {
        grid-column: span 1;
    }

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