@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700&family=JetBrains+Mono:wght@400;500&family=Space+Grotesk:wght@400;500;600&family=Source+Serif+4:opsz,wght@8..60,400;8..60,600&family=Work+Sans:wght@400;500;600&display=swap');

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

:root {
    --bg: #f6f2ea;
    --surface: #ffffff;
    --surface-muted: #f1ece2;
    --surface-strong: #e7e0d3;
    --ink: #1e2326;
    --ink-muted: #6a6a63;
    --accent: #1f5b4b;
    --accent-soft: #e2efe9;
    --danger: #d14b32;
    --shadow: 0 24px 50px rgba(31, 26, 21, 0.12);
    --shadow-soft: 0 12px 24px rgba(31, 26, 21, 0.08);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
}

body {
    font-family: 'Space Grotesk', 'Work Sans', sans-serif;
    color: var(--ink);
    background:
        radial-gradient(900px 500px at 8% -10%, #fff2d9 0, transparent 60%),
        radial-gradient(700px 460px at 100% 10%, #e4f1ff 0, transparent 58%),
        linear-gradient(180deg, #f6f2ea 0%, #f4efe6 100%);
    min-height: 100vh;
    overflow: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(circle at 12% 18%, rgba(31, 35, 38, 0.06) 0, transparent 48%),
        radial-gradient(circle at 78% 80%, rgba(31, 35, 38, 0.04) 0, transparent 55%),
        repeating-linear-gradient(90deg, rgba(31, 35, 38, 0.03) 0, rgba(31, 35, 38, 0.03) 1px, transparent 1px, transparent 38px);
    opacity: 0.35;
    pointer-events: none;
}

a {
    color: inherit;
}

.app {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.brand h1 {
    font-family: 'Fraunces', serif;
    font-size: 1.85rem;
    letter-spacing: 0.01em;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--ink-muted);
}

.subtitle a {
    text-decoration: none;
}

.subtitle a:hover {
    text-decoration: underline;
}

.topbar-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.layout {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr) 360px;
    gap: 1.5rem;
}

.column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 0;
    overflow-y: auto;
    padding-right: 0.25rem;
}

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

.column::-webkit-scrollbar-thumb {
    background: rgba(30, 35, 38, 0.18);
    border-radius: 999px;
}

.block {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-soft);
    opacity: 0;
    transform: translateY(10px);
    animation: block-in 0.6s ease forwards;
    animation-delay: var(--delay, 0s);
}

.block-muted {
    background: var(--surface-muted);
}

.block-compact {
    padding: 1rem;
}

.canvas-block {
    padding: 0.75rem;
}

@keyframes block-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.block-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.block-header h2 {
    font-size: 1.15rem;
}

.block-header h3 {
    font-size: 1rem;
}

.block-subtitle {
    font-size: 0.85rem;
    color: var(--ink-muted);
}

.btn {
    border: 0;
    background: var(--surface-muted);
    color: var(--ink);
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    background: var(--surface-strong);
    transform: translateY(-1px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn:disabled:hover {
    background: var(--surface-muted);
}
.btn-primary {
    background: var(--accent);
    color: #ffffff;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    background: #18483b;
}

.btn-danger {
    background: rgba(209, 75, 50, 0.16);
    color: var(--danger);
}

.btn-danger:hover {
    background: rgba(209, 75, 50, 0.24);
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-muted);
}

.field select {
    border: 0;
    background: var(--surface-strong);
    padding: 0.5rem 0.7rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--ink);
    font-family: inherit;
    appearance: none;
}

.field-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-muted);
}

.field-inline input[type="color"] {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    border: 0;
    padding: 0;
    background: #ffffff;
}

.toolbar {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.grid-editor {
    display: grid;
    gap: 6px;
}

.grid-cell {
    border: 0;
    appearance: none;
    aspect-ratio: 1;
    background: var(--surface-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--ink-muted);
    transition: transform 0.15s, background 0.2s, box-shadow 0.2s, color 0.2s;
}

.grid-cell::before {
    content: attr(data-label);
    opacity: 0;
    transition: opacity 0.2s;
}

.grid-cell:hover {
    background: #ffffff;
    box-shadow: var(--shadow-soft);
    transform: translateY(-1px);
}

.grid-cell:hover::before {
    opacity: 1;
}

.grid-cell.active {
    background: var(--accent);
    color: #ffffff;
}

.grid-cell.active::before {
    opacity: 1;
    color: #ffffff;
}

.grid-cell.start {
    background: #f2d3b1;
    color: var(--ink);
}

.grid-cell.start::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ink);
    position: absolute;
    top: 8px;
    right: 8px;
}

.status-list {
    display: grid;
    gap: 0.4rem;
    font-size: 0.9rem;
}

.status-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.status-label {
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-muted);
}

.hint {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--ink-muted);
}

.inline-list {
    list-style: none;
    display: grid;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--ink-muted);
}

.inline-list li::before {
    content: '- ';
    color: var(--accent);
}

.editor-canvas {
    width: 100%;
    aspect-ratio: 1280 / 832;
    background:
        radial-gradient(circle at 10px 10px, rgba(31, 35, 38, 0.06) 1px, transparent 0) 0 0 / 18px 18px,
        #ffffff;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.canvas-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--ink-muted);
    font-size: 0.9rem;
    text-align: center;
}

.text-element {
    position: absolute;
    cursor: grab;
    user-select: none;
    padding: 0.25rem 0.35rem;
    border-radius: var(--radius-sm);
    transition: background 0.2s, box-shadow 0.2s;
    touch-action: none;
}

.text-element:hover {
    background: rgba(31, 91, 75, 0.08);
}

.text-element.selected {
    background: rgba(31, 91, 75, 0.16);
    box-shadow: 0 8px 18px rgba(31, 91, 75, 0.2);
}

.editor-canvas.is-dragging .text-element {
    cursor: grabbing;
}

.property-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
}

.property {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-muted);
}

.property-wide {
    grid-column: 1 / -1;
}

.property input,
.property select,
.property textarea {
    border: 0;
    background: #ffffff;
    border-radius: var(--radius-md);
    padding: 0.55rem 0.7rem;
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--ink);
}

input:disabled,
select:disabled,
textarea:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.property textarea {
    resize: vertical;
}

.range-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    text-transform: none;
    letter-spacing: 0;
    color: var(--ink);
}

.range-row input[type="range"] {
    flex: 1;
    accent-color: var(--accent);
}

.preview-tabs {
    display: flex;
    gap: 0.5rem;
}

.preview-tab {
    border: 0;
    background: var(--surface-muted);
    color: var(--ink-muted);
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.preview-tab.active {
    background: var(--ink);
    color: #ffffff;
}

.preview-container {
    background: var(--surface-muted);
    padding: 1rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 520px;
}

.preview-frame {
    background: #ffffff;
    border-radius: 26px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.preview-frame[data-mode="desktop"] {
    width: 1280px;
    height: 832px;
    transform: scale(0.25);
    transform-origin: center;
}

.preview-frame[data-mode="mobile"] {
    width: 320px;
    height: 580px;
    transform: scale(0.65);
    transform-origin: center;
}

.preview-content {
    width: 100%;
    height: 100%;
    position: relative;
}

.preview-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--ink-muted);
    font-size: 1rem;
    text-align: center;
}

.preview-info {
    margin-top: 0.75rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--ink-muted);
}

.nav-button {
    position: absolute;
    border: 0;
    background: rgba(20, 24, 26, 0.62);
    color: #ffffff;
    border-radius: 999px;
    padding: 0.3rem 0.7rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    z-index: 5;
}

.nav-button:hover {
    background: rgba(20, 24, 26, 0.78);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.18);
}

.nav-up {
    top: 2%;
    left: 50%;
    transform: translateX(-50%);
}

.nav-down {
    bottom: 2%;
    left: 50%;
    transform: translateX(-50%);
}

.nav-left {
    left: 2%;
    top: 50%;
    transform: translateY(-50%);
}

.nav-right {
    right: 2%;
    top: 50%;
    transform: translateY(-50%);
}

.preview-content .nav-button {
    pointer-events: none;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px rgba(31, 91, 75, 0.25);
}

@media (max-width: 1200px) {
    .layout {
        grid-template-columns: 1fr 1fr;
    }

    .column-right {
        grid-column: 1 / -1;
    }
}

@media (max-width: 900px) {
    body {
        overflow: auto;
    }

    .topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .layout {
        grid-template-columns: 1fr;
    }

    .column {
        overflow: visible;
        padding-right: 0;
    }
}