:root {
    --bg: #1a1a2e;
    --bg-card: #16213e;
    --bg-input: #0f3460;
    --text: #e0e0e0;
    --text-muted: #8899aa;
    --accent: #e94560;
    --accent2: #53d769;
    --accent3: #4a9eff;
    --border: #2a3a5c;
    --grid-block: rgba(255,255,255,0.12);
    --highlight-from: rgba(233, 69, 96, 0.5);
    --highlight-to: rgba(83, 215, 105, 0.5);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

/* HEADER */
.app-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 24px;
    height: 48px;
}

.app-header h1 { font-size: 1.1rem; font-weight: 600; white-space: nowrap; }

.header-tabs { display: flex; gap: 4px; }

.tab {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.15s;
}

.tab:hover { color: var(--text); }
.tab.active { color: var(--accent3); border-bottom-color: var(--accent3); }

/* LAYOUT */
.main-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    height: calc(100vh - 48px);
}

.sidebar {
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    padding: 12px;
}

.canvas-area {
    overflow: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

/* SECTIONS */
.section { margin-bottom: 16px; }

.section-header {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* LAND CONFIG */
.land-row {
    display: flex;
    gap: 12px;
    margin-bottom: 4px;
}

.land-row label {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.land-input {
    width: 52px;
    padding: 5px;
    text-align: center;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 5px;
    color: var(--text);
    font-size: 0.85rem;
}

.land-info {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 2px;
}

/* CONFIG ROWS */
.config-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.config-row label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* PLACEMENT PALETTE */
.placement-info {
    font-size: 0.8rem;
    color: var(--accent3);
    margin-bottom: 6px;
    min-height: 1.2em;
}

.placement-palette {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    max-height: 280px;
    overflow-y: auto;
}

.palette-group-label {
    width: 100%;
    font-size: 0.65rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    margin-top: 4px;
    padding: 2px 0;
}

.palette-btn {
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: rgba(255,255,255,0.03);
    color: var(--text);
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.1s;
}

.palette-btn:hover { border-color: var(--accent3); }
.palette-btn.selected { border-color: var(--accent3); background: rgba(74, 158, 255, 0.15); }

.item-color {
    width: 8px;
    height: 8px;
    border-radius: 2px;
    flex-shrink: 0;
}

/* PLACED LIST */
.placed-list {
    font-size: 0.8rem;
}

.placed-item-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 6px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.1s;
}

.placed-item-row:hover { background: rgba(255,255,255,0.05); }
.placed-item-row .coords { color: var(--text-muted); font-size: 0.7rem; }

.placed-item-row .btn-x {
    margin-left: auto;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0 4px;
}

.placed-item-row .btn-x:hover { color: var(--accent); }

/* ITEM LISTS (wanted / stored) */
.item-list { display: flex; flex-direction: column; gap: 4px; }

.item-row {
    display: grid;
    grid-template-columns: 1fr 55px 45px 28px;
    gap: 4px;
    align-items: center;
    padding: 5px 6px;
    background: rgba(255,255,255,0.03);
    border-radius: 5px;
    border: 1px solid transparent;
}

.item-row:hover { border-color: var(--border); }

.item-name {
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.item-input {
    width: 100%;
    padding: 3px 4px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-size: 0.78rem;
    text-align: center;
}

.item-input:focus { outline: none; border-color: var(--accent3); }

select.item-input { appearance: none; -webkit-appearance: none; }

.btn-remove {
    width: 22px; height: 22px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 4px;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-remove:hover { background: rgba(233,69,96,0.2); color: var(--accent); }

/* BUTTONS */
.btn {
    padding: 7px 14px;
    border: none;
    border-radius: 5px;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.15s;
}

.btn:hover { opacity: 0.85; }

.btn-primary {
    background: var(--accent);
    color: white;
    width: 100%;
    padding: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    margin-top: 8px;
}

.btn-add {
    background: rgba(255,255,255,0.06);
    color: var(--text-muted);
    font-size: 0.75rem;
    padding: 4px 10px;
    border: 1px dashed var(--border);
}

.btn-sync {
    background: rgba(74, 158, 255, 0.15);
    color: var(--accent3);
    width: 100%;
    padding: 8px;
    font-size: 0.82rem;
    border: 1px dashed var(--accent3);
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-sync:hover { background: rgba(74, 158, 255, 0.25); }

.btn-step {
    background: var(--bg-input);
    color: var(--text);
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-step:disabled { opacity: 0.3; cursor: default; }

/* DROPDOWNS */
.add-dropdown { position: relative; }

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 5px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.dropdown-menu.open { display: block; }

.dropdown-item {
    padding: 6px 10px;
    cursor: pointer;
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.dropdown-item:hover { background: rgba(255,255,255,0.06); }

.dropdown-group-label {
    padding: 4px 10px;
    font-size: 0.65rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    background: rgba(0,0,0,0.2);
}

.happiness-indicator {
    display: inline-flex;
    align-items: center;
    padding: 1px 6px;
    border-radius: 8px;
    font-size: 0.65rem;
    font-weight: 600;
}

.happiness-indicator.pos { background: rgba(83,215,105,0.15); color: var(--accent2); }
.happiness-indicator.neg { background: rgba(233,69,96,0.15); color: var(--accent); }

/* STATS BAR */
.stats-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.stat-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px;
    text-align: center;
}

.stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-value.positive { color: var(--accent2); }
.stat-value.negative { color: var(--accent); }
.stat-value.neutral { color: var(--text); }

.stat-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* GRID */
.farm-grid-container {
    position: relative;
    border: 2px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    background: #0d1117;
    cursor: crosshair;
}

.farm-grid { position: relative; }

.land-block {
    position: absolute;
    border: 1px solid var(--grid-block);
    pointer-events: none;
}

.land-block:nth-child(odd) { background: rgba(255,255,255,0.015); }

.grid-item {
    position: absolute;
    border-radius: 3px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: 500;
    color: rgba(0,0,0,0.8);
    border: 1px solid rgba(0,0,0,0.25);
    overflow: hidden;
    text-align: center;
    line-height: 1.2;
    padding: 2px;
    cursor: pointer;
    transition: box-shadow 0.1s;
}

.grid-item:hover { box-shadow: 0 0 0 2px var(--accent3); z-index: 10; }
.grid-item.deco { border-style: dashed; opacity: 0.85; }

.grid-item .item-label {
    font-size: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.grid-item .item-level { font-size: 7px; opacity: 0.7; }

/* GHOST (placement preview) */
.grid-ghost {
    position: absolute;
    border: 2px dashed var(--accent3);
    border-radius: 3px;
    pointer-events: none;
    z-index: 50;
    opacity: 0.6;
}

.grid-ghost.valid { background: rgba(74, 158, 255, 0.2); }
.grid-ghost.invalid { background: rgba(233, 69, 96, 0.2); border-color: var(--accent); }

/* STEP HIGHLIGHTS */
.grid-item.highlight-from {
    box-shadow: 0 0 0 3px var(--accent), 0 0 12px var(--highlight-from);
    z-index: 20;
}

.grid-item.highlight-to {
    box-shadow: 0 0 0 3px var(--accent2), 0 0 12px var(--highlight-to);
    z-index: 20;
}

.grid-item.dimmed { opacity: 0.3; }

/* STEP NAV */
.step-nav {
    display: flex;
    align-items: center;
    gap: 16px;
}

.step-counter {
    font-size: 0.9rem;
    font-weight: 600;
    min-width: 60px;
    text-align: center;
}

.step-description {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px 20px;
    font-size: 0.9rem;
    max-width: 600px;
    text-align: center;
}

/* STEPS LIST (sidebar) */
.steps-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.step-item {
    padding: 6px 8px;
    font-size: 0.78rem;
    border-radius: 4px;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: all 0.1s;
}

.step-item:hover { background: rgba(255,255,255,0.04); }
.step-item.active { background: rgba(74,158,255,0.1); border-left-color: var(--accent3); }
.step-item.done { color: var(--text-muted); }

.step-item .step-num {
    display: inline-block;
    width: 22px;
    font-weight: 600;
    color: var(--text-muted);
}

.step-item .step-action {
    font-size: 0.65rem;
    text-transform: uppercase;
    padding: 1px 5px;
    border-radius: 3px;
    margin-right: 4px;
}

.step-action.store_decos { background: rgba(233,69,96,0.2); color: var(--accent); }
.step-action.store { background: rgba(233,69,96,0.2); color: var(--accent); }
.step-action.move { background: rgba(74,158,255,0.2); color: var(--accent3); }
.step-action.place { background: rgba(83,215,105,0.2); color: var(--accent2); }
.step-action.place_deco { background: rgba(83,215,105,0.15); color: var(--accent2); }

/* UNPLACED */
.unplaced-list {
    margin-top: 12px;
    padding: 10px;
    background: rgba(233,69,96,0.1);
    border: 1px solid rgba(233,69,96,0.3);
    border-radius: 6px;
}

.unplaced-list h3 { color: var(--accent); font-size: 0.85rem; margin-bottom: 6px; }
.unplaced-item { font-size: 0.78rem; padding: 2px 0; color: var(--text-muted); }

/* RESPONSIVE */
@media (max-width: 900px) {
    .main-layout { grid-template-columns: 1fr; height: auto; }
    .sidebar { border-right: none; border-bottom: 1px solid var(--border); }
}