:root {
    --bg: #F8F7F4;
    --bg2: #FFFFFF;
    --bg3: #F1EFE9;
    --bg4: #E9E6E0;
    --surf: #FFFFFF;
    --bdr: #E4E1DB;
    --bdr2: #CCC8C0;
    --ink: #0D1117;
    --ink2: #2A3141;
    --ink3: #586070;
    --ink4: #939BAC;
    --blue: #1546C0;
    --blue-g: rgba(21, 70, 192, 0.1);
    --purp: #6D28D9;
    --brand: #1546C0;
    --r: 12px;
    --t: .25s ease;
}

[data-theme="dark"] {
    --bg: #080B14;
    --bg2: #0E1220;
    --bg3: #141928;
    --bg4: #1B2235;
    --surf: #141928;
    --bdr: rgba(255, 255, 255, .07);
    --bdr2: rgba(255, 255, 255, .14);
    --ink: #EEF0F8;
    --ink2: #C4CCDC;
    --ink3: #8290A8;
    --ink4: #4E5A70;
    --blue: #5B8AF5;
    --purp: #A78BFA;
    --brand: #5B8AF5;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg);
    color: var(--ink);
    font-family: 'Outfit', sans-serif;
    transition: background .4s, color .4s;
    line-height: 1.6;
}

nav {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5vw;
    background: var(--bg2);
    border-bottom: 1px solid var(--bdr);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--ink);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

nav a {
    color: var(--ink2);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--brand);
}

main {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 5vw;
    min-height: calc(100vh - 160px);
}

.tool-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.tool-header h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    color: var(--ink);
}

.tool-header p {
    color: var(--ink3);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.tagline {
    display: inline-block;
    background: var(--blue-g);
    color: var(--blue);
    padding: 6px 16px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

/* Tool Grid Hub */
.generator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.gen-card {
    background: var(--surf);
    border: 1px solid var(--bdr);
    border-radius: var(--r);
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.gen-card:hover {
    transform: translateY(-5px);
    border-color: var(--brand);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .gen-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.gen-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.gen-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--ink);
}

.gen-card p {
    color: var(--ink3);
    font-size: 0.95rem;
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

.gen-card .btn-link {
    color: var(--brand);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: auto;
}

.gen-card .btn-link::after {
    content: '→';
    transition: transform 0.2s;
}

.gen-card:hover .btn-link::after {
    transform: translateX(5px);
}

/* Generator Form Layout */
.generator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

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

.form-section {
    background: var(--surf);
    padding: 2rem;
    border-radius: var(--r);
    border: 1px solid var(--bdr);
}

.preview-section {
    position: sticky;
    top: 90px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--ink2);
    font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="url"],
.form-group select {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--bdr);
    background: var(--bg);
    color: var(--ink);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px var(--blue-g);
}

.radio-group {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 400;
    cursor: pointer;
}

.btn-primary {
    background: var(--brand);
    color: #fff;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    width: 100%;
    transition: opacity 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-secondary {
    background: var(--bg3);
    color: var(--ink2);
    border: 1px solid var(--bdr2);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    flex: 1;
}

.btn-secondary:hover {
    background: var(--bdr);
}

/* Output Area */
.output-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.code-output {
    width: 100%;
    height: 500px;
    padding: 1.5rem;
    border-radius: var(--r);
    border: 1px solid var(--bdr);
    background: var(--bg3);
    color: var(--ink2);
    font-family: monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    white-space: pre-wrap;
    resize: vertical;
    outline: none;
}

[data-theme="dark"] .code-output {
    background: #0D1117;
}

/* Modal for Preview */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surf);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    border-radius: var(--r);
    padding: 2rem;
    position: relative;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--bdr);
    padding-bottom: 1rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--ink3);
}

#previewContainer {
    overflow-y: auto;
    flex-grow: 1;
    padding-right: 1rem;
    color: var(--ink);
}

#previewContainer h1,
#previewContainer h2,
#previewContainer h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

#previewContainer p {
    margin-bottom: 1rem;
}

#previewContainer ul {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

footer {
    text-align: center;
    padding: 2rem;
    color: var(--ink3);
    font-size: 0.9rem;
    border-top: 1px solid var(--bdr);
}