/* =========================================================================
   Guidelyze · Distribuição de Posts · cases.css
   Mobile-only (max 430px). Simula grid do Instagram.
   ========================================================================= */

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

:root {
  --paper:      #FAF6EC;
  --paper-warm: #F5EDD8;
  --ink:        #1C1C1A;
  --sage:       #5C8F7A;
  --sand:       #C9B8A8;
  --sand-soft:  #E5D9C6;
  --fg-soft:    #888;
  --font-body:  'DM Sans', sans-serif;
  --font-disp:  'Fraunces', serif;

  /* Cores das categorias */
  --c-blue:   #3B82F6; --c-blue-bg:   rgba(59,130,246,.15);
  --c-purple: #8A6FB0; --c-purple-bg: rgba(138,111,176,.15);
  --c-green:  #5C8F7A; --c-green-bg:  rgba(92,143,122,.15);
  --c-teal:   #00BCD4; --c-teal-bg:   rgba(0,188,212,.15);
  --c-orange: #F97316; --c-orange-bg: rgba(249,115,22,.15);
  --c-red:    #EF4444; --c-red-bg:    rgba(239,68,68,.15);
  --c-pink:   #EC4899; --c-pink-bg:   rgba(236,72,153,.15);
  --c-img:    #94A3B8; --c-img-bg:    rgba(148,163,184,.15);
}

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  min-height: 100dvh;
  max-width: 430px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* ---- Topbar ---- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: var(--paper);
  border-bottom: 1px solid var(--sand-soft);
  position: sticky; top: 0; z-index: 20;
}
.topbar__back { font-size: 13px; color: var(--sage); text-decoration: none; }
.topbar__title { font-size: 14px; font-weight: 600; }
.topbar__cal { font-size: 18px; text-decoration: none; }

/* ---- Tabs ---- */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--sand-soft);
  background: var(--paper);
  overflow-x: auto;
  scrollbar-width: none;
  position: sticky; top: 45px; z-index: 19;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  flex-shrink: 0;
  padding: 10px 16px;
  border: none; background: none;
  font-family: var(--font-body); font-size: 12px; font-weight: 600;
  color: var(--fg-soft); cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
  white-space: nowrap;
}
.tab.is-active { color: var(--ink); border-bottom-color: var(--ink); }

/* ---- Painéis ---- */
.panels { flex: 1; overflow: hidden; }
.panel { display: none; padding: 20px 16px 80px; }
.panel.is-active { display: block; }

.panel__title {
  font-family: var(--font-disp); font-size: 28px; font-weight: 600;
  line-height: 1.1; margin-bottom: 12px;
}
.panel__text {
  font-size: 13px; line-height: 1.6; color: #444; margin-bottom: 10px;
}
.panel__text--hint {
  font-size: 12px; color: var(--fg-soft);
  background: var(--paper-warm); border-radius: 8px;
  padding: 8px 10px; border-left: 3px solid var(--sage);
}

/* ---- Approach cards (overview) ---- */
.approach-cards { display: flex; flex-direction: column; gap: 8px; margin: 14px 0; }
.approach-card {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border-radius: 10px;
  background: var(--paper-warm);
  border: 1px solid var(--sand-soft);
}
.approach-card[data-color="blue"]  { border-left: 3px solid var(--c-blue);   }
.approach-card[data-color="green"] { border-left: 3px solid var(--c-green);  }
.approach-card[data-color="red"]   { border-left: 3px solid var(--c-red);    }
.approach-card__ico { font-size: 20px; flex-shrink: 0; }
.approach-card strong { font-size: 13px; display: block; margin-bottom: 2px; }
.approach-card span { font-size: 11px; color: var(--fg-soft); }

/* ---- Instagram Mockup ---- */
.ig-mock {
  border: 1px solid #DBDBDB;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  margin-top: 16px;
  font-family: -apple-system, 'Segoe UI', sans-serif;
}
.ig-mock__header {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid #EFEFEF;
}
.ig-mock__avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  flex-shrink: 0;
}
.ig-mock__name { font-size: 13px; font-weight: 600; color: #262626; flex: 1; }
.ig-mock__icons { display: flex; gap: 8px; font-size: 16px; color: #262626; }
.ig-mock__nav {
  display: flex; border-bottom: 1px solid #EFEFEF;
  padding: 6px 0;
}
.ig-mock__nav-item {
  flex: 1; text-align: center; font-size: 16px; color: #AAAAAA; padding: 4px 0;
  border-top: 1px solid transparent; cursor: pointer;
}
.ig-mock__nav-item.is-active { color: #262626; border-top-color: #262626; }

/* ---- Instagram Grid ---- */
.ig-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: #EFEFEF;
}
.ig-cell {
  aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .03em; text-align: center;
  position: relative; overflow: hidden;
  cursor: default;
  transition: opacity .12s;
}
/* Cores das células por data-c */
.ig-cell[data-c="blue"]   { background: var(--c-blue-bg);   color: var(--c-blue);   }
.ig-cell[data-c="purple"] { background: var(--c-purple-bg); color: var(--c-purple); }
.ig-cell[data-c="green"]  { background: var(--c-green-bg);  color: var(--c-green);  }
.ig-cell[data-c="teal"]   { background: var(--c-teal-bg);   color: var(--c-teal);   }
.ig-cell[data-c="orange"] { background: var(--c-orange-bg); color: var(--c-orange); }
.ig-cell[data-c="red"]    { background: var(--c-red-bg);    color: var(--c-red);    }
.ig-cell[data-c="pink"]   { background: var(--c-pink-bg);   color: var(--c-pink);   }
.ig-cell[data-c="img"]    { background: var(--c-img-bg);    color: var(--c-img);    }

/* Células interativas */
.interactive-cell { cursor: pointer; }
.interactive-cell:active { opacity: .7; }
.interactive-cell::after {
  content: attr(data-label);
  font-size: 8px; font-weight: 700;
  text-align: center; padding: 2px;
  display: block; line-height: 1.2;
}

/* ---- Legenda ---- */
.legend {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin: 14px 0 4px;
}
.legend-item {
  padding: 4px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 600; cursor: pointer;
  border: 2px solid transparent;
  transition: border-color .15s, transform .1s;
  user-select: none;
}
.legend-item[data-c="blue"]   { background: var(--c-blue-bg);   color: var(--c-blue);   }
.legend-item[data-c="purple"] { background: var(--c-purple-bg); color: var(--c-purple); }
.legend-item[data-c="green"]  { background: var(--c-green-bg);  color: var(--c-green);  }
.legend-item[data-c="teal"]   { background: var(--c-teal-bg);   color: var(--c-teal);   }
.legend-item[data-c="orange"] { background: var(--c-orange-bg); color: var(--c-orange); }
.legend-item[data-c="red"]    { background: var(--c-red-bg);    color: var(--c-red);    }
.legend-item[data-c="pink"]   { background: var(--c-pink-bg);   color: var(--c-pink);   }
.legend-item[data-c="img"]    { background: var(--c-img-bg);    color: var(--c-img);    }
.legend-item.is-selected { border-color: currentColor; transform: scale(1.05); }

/* ---- Resumo de distribuição ---- */
.dist-summary {
  margin-top: 12px; display: flex; flex-wrap: wrap; gap: 6px;
  font-size: 11px;
}
.dist-summary span {
  padding: 3px 8px; border-radius: 10px;
  background: var(--paper-warm); border: 1px solid var(--sand-soft);
  color: var(--fg-soft);
}
.dist-summary strong { color: var(--ink); }

/* ---- Color Builder (Design tab) ---- */
.color-builder { margin: 14px 0 4px; }
.color-builder__label { font-size: 12px; color: var(--fg-soft); margin-bottom: 8px; }
.color-swatches { display: flex; gap: 8px; align-items: center; }
.color-swatch {
  width: 36px; height: 36px; border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer; transition: transform .15s, border-color .15s;
  flex-shrink: 0;
}
.color-swatch.active-swatch { border-color: var(--ink); transform: scale(1.15); }
.color-picker-input {
  width: 0; height: 0; opacity: 0; position: absolute; pointer-events: none;
}

/* ---- Padrões de grid ---- */
.grid-patterns { margin-top: 14px; }
.grid-patterns__label { font-size: 12px; color: var(--fg-soft); margin-bottom: 8px; }
.grid-pattern-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.gp-btn {
  padding: 6px 14px; border-radius: 20px; border: 1px solid var(--sand-soft);
  background: none; font-size: 12px; font-family: var(--font-body);
  cursor: pointer; color: var(--fg-soft);
}
.gp-btn.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }

/* Células de design — cor direta via JS */
.design-cell { cursor: pointer; }
.design-cell:active { filter: brightness(1.1); }

/* ---- Bottom bar ---- */
.bottom-bar {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 430px;
  padding: 10px 16px;
  background: var(--paper);
  border-top: 1px solid var(--sand-soft);
  z-index: 20;
  display: flex; justify-content: flex-end;
}
.bottom-bar__btn {
  position: relative;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--ink); color: #fff;
  border: none; font-size: 18px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.bottom-bar__btn:active { opacity: .85; }
.bottom-bar__btn::after {
  content: attr(title);
  position: absolute; bottom: calc(100% + 6px); right: 0;
  background: rgba(28,28,26,.88); color: #fff;
  font-size: 11px; font-weight: 600; font-family: var(--font-body);
  white-space: nowrap; padding: 4px 8px; border-radius: 6px;
  opacity: 0; pointer-events: none;
  transition: opacity .15s;
}
.bottom-bar__btn:hover::after { opacity: 1; }

/* ---- Simulador de posts reais ---- */
.sim-ar-ctl { display:flex; gap:4px; justify-content:center; padding:6px 0 8px; }
.sim-ar-btn { font-family:var(--font-mono,monospace); font-size:11px; font-weight:600; padding:4px 10px; border:1px solid var(--sand-soft,#E5D9C6); border-radius:99px; background:transparent; color:var(--fg-soft,#888); cursor:pointer; }
.sim-ar-btn.is-active { background:var(--ink,#1C1C1A); color:#fff; border-color:var(--ink,#1C1C1A); }
.sim-cell { position: relative; background: var(--paper-warm); cursor: grab; }
.sim-cell.dragging { opacity: .35; cursor: grabbing; }
.sim-cell.drag-over { outline: 2px dashed var(--sage, #5C8F7A); outline-offset: -2px; }
.sim-cell--empty { background: rgba(0,0,0,.03); border: 1px dashed var(--sand-soft); }
.sim-cell--empty span { font-size: 20px; color: var(--sand); }
.sim-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sim-rm {
  position: absolute; top: 3px; right: 3px;
  background: rgba(0,0,0,.6); color: #fff; border: none; border-radius: 3px;
  width: 16px; height: 16px; font-size: 11px; cursor: pointer;
  display: none; align-items: center; justify-content: center; line-height: 1; z-index: 2;
}
.sim-cell:hover .sim-rm { display: flex; }
.sim-empty {
  grid-column: 1 / -1; padding: 24px 16px;
  text-align: center; font-size: 13px; color: var(--fg-soft);
  line-height: 1.6;
}
.sim-aux-btns {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; margin-top: 10px; padding-bottom: 4px;
}
.sim-aux-btn {
  background: none; border: none; padding: 2px 0;
  font-size: 11px; font-family: var(--font-body);
  color: var(--sand); cursor: pointer; letter-spacing: .02em;
  transition: color .15s;
}
.sim-aux-btn:hover { color: var(--fg-soft); }
.sim-aux-sep { font-size: 10px; color: var(--sand-soft); user-select: none; }
.sim-pool-panel {
  display: flex; gap: 3px; overflow-x: auto; scrollbar-width: none;
  padding: 6px 8px 2px; border-top: 1px solid #EFEFEF;
}
.sim-pool-panel::-webkit-scrollbar { display: none; }
.sim-pool-thumb {
  position: relative; flex-shrink: 0;
  width: 44px; height: 55px;
  border-radius: 3px; overflow: hidden; background: var(--paper-warm);
  cursor: pointer; opacity: .75; transition: opacity .15s;
}
.sim-pool-thumb:hover { opacity: 1; }
.sim-pool-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sim-pool-pin {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 14px; opacity: 0; transition: opacity .15s;
}
.sim-pool-thumb:hover .sim-pool-pin { opacity: 1; background: rgba(0,0,0,.35); }
.sim-pool-empty {
  font-size: 11px; color: var(--fg-soft); padding: 8px; white-space: nowrap;
}