/* ============================================================
   CasaPlan — identidade visual
   Objetivo: parecer uma folha de papel milimetrado divertida,
   nunca um software técnico. Paleta quente, cantos arredondados,
   sombras suaves como recortes de papel.
   ============================================================ */

:root {
    --bg: #FBF6EC;
    --paper: #FFFFFF;
    --ink: #3A3128;
    --muted: #948A7C;
    --line: #E7DFCE;

    --accent: #1E9E90;
    --accent-dark: #157F74;
    --accent-soft: #DDF2EF;

    --danger: #E0603F;
    --danger-soft: #FBE4DC;

    --room-default: #FFE29A;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;

    --shadow-soft: 0 2px 10px rgba(58, 49, 40, 0.08);
    --shadow-lift: 0 8px 24px rgba(58, 49, 40, 0.14);

    --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
}

body {
    font-family: var(--font-ui);
    color: var(--ink);
    background: var(--bg);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Barra superior ---------- */

#topbar {
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
}

#brand {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

#brand-name {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--ink);
}

#brand-version {
    font-size: 12px;
    color: var(--muted);
    background: var(--bg);
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid var(--line);
}

#save-indicator {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    color: var(--muted);
    transition: opacity 0.3s ease;
}

#save-indicator .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--muted);
    transition: background 0.2s ease, transform 0.2s ease;
}

#save-indicator.saving .dot {
    background: #E0A93F;
    transform: scale(1.2);
}

#save-indicator.saved .dot {
    background: var(--accent);
}

#save-indicator.saved .label::before {
    content: "✓ ";
}

/* ---------- Layout principal ---------- */

#app {
    height: calc(100% - 56px);
    display: flex;
}

/* ---------- Barra lateral esquerda: apenas 4 botões ---------- */

#toolbar {
    width: 96px;
    flex-shrink: 0;
    background: var(--paper);
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 10px;
    gap: 8px;
    overflow-y: auto;
}

.tool-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 4px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--ink);
    font-family: inherit;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.tool-btn svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.tool-btn:hover {
    background: var(--bg);
}

.tool-btn:active {
    transform: scale(0.96);
}

.tool-btn.active {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent-dark);
}

#btn-delete.active {
    background: var(--danger-soft);
    border-color: var(--danger);
    color: var(--danger);
}

.toolbar-divider {
    height: 1px;
    background: var(--line);
    margin: 6px 6px;
}

/* ---------- Canvas ---------- */

#canvas-wrap {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: var(--bg);
}

#canvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: default;
}

#canvas-wrap.mode-draw #canvas {
    cursor: crosshair;
}

#canvas-wrap.mode-delete #canvas {
    cursor: pointer;
}

#empty-hint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--muted);
    font-size: 14px;
    background: var(--paper);
    padding: 10px 16px;
    border-radius: var(--radius-md);
    border: 1px dashed var(--line);
    pointer-events: none;
}

#empty-hint.hidden {
    display: none;
}

/* ---------- Painel lateral direito ---------- */

#side-panel {
    width: 260px;
    flex-shrink: 0;
    background: var(--paper);
    border-left: 1px solid var(--line);
    padding: 20px 18px;
    overflow-y: auto;
}

#side-panel.hidden {
    display: none;
}

#side-panel h2 {
    margin: 0 0 16px;
    font-size: 15px;
    font-weight: 800;
    color: var(--ink);
}

.field {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
}

.field input[type="text"],
.field input[type="number"],
.field textarea {
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 9px 10px;
    outline: none;
    transition: border-color 0.15s ease;
    resize: vertical;
}

.field input[type="text"]:focus,
.field input[type="number"]:focus,
.field textarea:focus {
    border-color: var(--accent);
}

.field input[type="color"] {
    width: 100%;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 3px;
    background: var(--bg);
    cursor: pointer;
}

/* ---------- Diálogo modal (nomear cômodo) ---------- */

.modal {
    position: fixed;
    inset: 0;
    background: rgba(58, 49, 40, 0.28);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
}

.modal.hidden {
    display: none;
}

.modal-box {
    background: var(--paper);
    border-radius: var(--radius-lg);
    padding: 22px;
    width: 280px;
    box-shadow: var(--shadow-lift);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 6px;
}

.btn-primary,
.btn-secondary {
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.1s ease, background 0.15s ease;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-dark);
}

.btn-secondary {
    background: var(--bg);
    color: var(--ink);
    border-color: var(--line);
}

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

.btn-primary:active,
.btn-secondary:active {
    transform: scale(0.97);
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
    margin-bottom: 12px;
}

.field-hint {
    font-size: 12px;
    line-height: 1.5;
    color: var(--muted);
    margin: 4px 0 0;
}

#side-panel #panel-room,
#side-panel #panel-opening,
#side-panel #panel-partition {
    display: none;
}