/* ─────────────────────────────────────────────────────────────────────────────
   Social Calendar — app.css
   Font: Outfit (Google Fonts)
   Palette: Zinc neutrals + Blue-600 accent
───────────────────────────────────────────────────────────────────────────── */

:root {
  --font:            'Outfit', system-ui, sans-serif;

  /* Surfaces */
  --bg:              #f8fafc;
  --surface:         #ffffff;
  --surface-2:       #f1f5f9;

  /* Borders */
  --border:          #e2e8f0;
  --border-subtle:   #f1f5f9;

  /* Text */
  --text-1:          #0f172a;
  --text-2:          #475569;
  --text-3:          #94a3b8;

  /* Accent */
  --accent:          #2563eb;
  --accent-bg:       #eff6ff;
  --accent-border:   #bfdbfe;

  /* Status — Published */
  --pub-bg:          #f0fdf4;
  --pub-color:       #16a34a;
  --pub-border:      #bbf7d0;

  /* Status — Scheduled */
  --sch-bg:          #eff6ff;
  --sch-color:       #2563eb;
  --sch-border:      #bfdbfe;

  /* Status — Draft */
  --dft-bg:          #f8fafc;
  --dft-color:       #64748b;
  --dft-border:      #e2e8f0;

  /* Sizing */
  --header-h:        58px;
  --sidebar-w:       224px;
  --panel-w:         420px;
  --radius:          10px;
  --radius-sm:       6px;
  --radius-lg:       16px;

  /* Shadows */
  --shadow-sm:       0 1px 2px rgba(0,0,0,.05);
  --shadow:          0 4px 16px rgba(0,0,0,.07);
  --shadow-lg:       0 24px 48px -12px rgba(0,0,0,.12);
}

/* ── Reset ──────────────────────────────────────────────────────────────── */

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

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-1);
  font-size: 13.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button { font-family: var(--font); cursor: pointer; }
a { color: inherit; }

/* ── App shell ──────────────────────────────────────────────────────────── */

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ── Header ─────────────────────────────────────────────────────────────── */

#header {
  height: var(--header-h);
  flex-shrink: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  gap: 12px;
  z-index: 10;
}

/* Left group */
.header-left {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.logo-text {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-1);
  white-space: nowrap;
}

.view-toggle {
  display: flex;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 1px;
}

.view-btn {
  background: none;
  border: none;
  padding: 3px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  transition: background .13s, color .13s;
}

.view-btn.active {
  background: var(--surface);
  color: var(--text-1);
  box-shadow: var(--shadow-sm);
}

/* Center group */
.header-center {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.nav-btn {
  background: none;
  border: 1px solid var(--border);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .13s, color .13s;
}

.nav-btn:hover {
  background: var(--surface-2);
  color: var(--text-1);
}

.today-btn, .refresh-btn {
  width: auto;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 500;
}

#period-label {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.5px;
  min-width: 148px;
  text-align: center;
  color: var(--text-1);
}

/* Right group */
.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.post-count {
  font-size: 11.5px;
  color: var(--text-3);
  font-weight: 500;
  white-space: nowrap;
}

/* ── Body layout ────────────────────────────────────────────────────────── */

.body-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Sidebar ────────────────────────────────────────────────────────────── */

#sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 18px 14px 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.sidebar-section { display: flex; flex-direction: column; }

.sidebar-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}

.stat-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.8px;
  line-height: 1;
  margin-bottom: 3px;
}

.stat-label {
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* Filters */
.filter-group { margin-bottom: 11px; }

.filter-label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 4px;
}

.filter-select {
  width: 100%;
  height: 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-1);
  font-size: 12px;
  font-family: var(--font);
  padding: 0 24px 0 8px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  transition: border-color .13s;
}

.filter-select:focus {
  outline: none;
  border-color: var(--accent);
}

.reset-btn {
  margin-top: auto;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  height: 30px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  width: 100%;
  transition: background .13s, color .13s;
}

.reset-btn:hover {
  background: var(--surface-2);
  color: var(--text-1);
}

/* ── Main content ───────────────────────────────────────────────────────── */

#main-content {
  flex: 1;
  overflow-y: auto;
  padding: 18px 20px;
  position: relative;
  min-width: 0;
}

/* ── Loader ─────────────────────────────────────────────────────────────── */

.loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  z-index: 5;
}

.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: var(--text-3);
  font-size: 13px;
  font-weight: 500;
}

.spinner {
  width: 22px;
  height: 22px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .55s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── View containers ────────────────────────────────────────────────────── */

.view-container.hidden { display: none !important; }

/* ── Calendar ───────────────────────────────────────────────────────────── */

.cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  margin-bottom: 3px;
  padding: 0 1px;
}

.cal-weekdays span {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .07em;
  text-align: center;
  padding: 0 0 5px;
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* Day cells */
.day-cell {
  background: var(--surface);
  height: 160px;
  padding: 7px 8px;
  overflow: hidden;
}

.day-cell.other-month {
  background: var(--bg);
}

.day-cell.today .day-num {
  background: var(--text-1);
  color: var(--surface);
  border-radius: 50%;
}

.day-num {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-2);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
  border-radius: 50%;
  flex-shrink: 0;
}

.day-cell.other-month .day-num { color: var(--text-3); }

.day-num.clickable {
  cursor: pointer;
  transition: background .12s;
}
.day-num.clickable:hover { background: var(--surface-2); }
.today .day-num.clickable:hover { background: #334155; }

/* Post chips inside cells */
.post-chips { display: flex; flex-direction: column; gap: 2px; }

.post-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 5px 2px 3px;
  border-radius: 4px;
  border-left: 2px solid;
  line-height: 1.45;
  cursor: pointer;
  overflow: hidden;
  transition: opacity .1s, transform .1s;
}

.post-chip:hover { opacity: .8; transform: translateX(1px); }

/* Text label inside chip */
.chip-label {
  font-size: 10.5px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex: 1;
}

/* Platform icon inside chip */
.chip-icon {
  flex-shrink: 0;
  display: block;
  border-radius: 2px;
}

/* Status-based chip colors */
.chip-pub { background: #f0fdf4; color: #166534; border-color: #16a34a; }
.chip-sch { background: #eff6ff; color: #1e40af; border-color: #2563eb; }
.chip-dft { background: #f8fafc; color: #475569; border-color: #94a3b8; opacity: .7; }

.chip-more {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-3);
  padding: 1px 4px;
  cursor: pointer;
}

.chip-more:hover { color: var(--text-2); }

/* ── List view ──────────────────────────────────────────────────────────── */

#list-inner {
  max-width: 700px;
  margin: 0 auto;
}

.list-group { margin-bottom: 30px; }

.list-group-header {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-3);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 10px;
}

.list-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 8px;
  display: flex;
  gap: 14px;
  cursor: pointer;
  transition: box-shadow .15s, border-color .15s, transform .1s;
}

.list-card:hover {
  box-shadow: var(--shadow);
  border-color: #cbd5e1;
  transform: translateY(-1px);
}

.list-card:active { transform: translateY(0); }

.list-thumb {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.list-card-body { flex: 1; min-width: 0; }

.list-card-top {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 5px;
  flex-wrap: wrap;
}

.list-card-title {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.list-card-preview {
  font-size: 12px;
  color: var(--text-2);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
}

.list-card-footer {
  display: flex;
  align-items: center;
  gap: 10px;
}

.list-meta-text {
  font-size: 11px;
  color: var(--text-3);
  font-weight: 500;
}

/* ── Badges ─────────────────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 20px;
  letter-spacing: .04em;
  text-transform: uppercase;
  border: 1px solid transparent;
  white-space: nowrap;
}

.badge-published { background: var(--pub-bg); color: var(--pub-color); border-color: var(--pub-border); }
.badge-scheduled { background: var(--sch-bg); color: var(--sch-color); border-color: var(--sch-border); }
.badge-draft     { background: var(--dft-bg); color: var(--dft-color); border-color: var(--dft-border); }
.badge-platform  { background: var(--surface-2); color: var(--text-2); border-color: var(--border); }
.badge-type      { background: var(--surface-2); color: var(--text-2); border-color: var(--border); }

/* ── Detail panel ───────────────────────────────────────────────────────── */

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .28);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: 20;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}

.overlay.visible {
  opacity: 1;
  pointer-events: all;
}

.detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--panel-w);
  height: 100vh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  z-index: 30;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform .28s cubic-bezier(.16, 1, .3, 1);
  overflow: hidden;
}

.detail-panel.open { transform: translateX(0); }

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  gap: 10px;
}

.panel-badges { display: flex; flex-wrap: wrap; gap: 5px; flex: 1; }

.panel-close {
  background: none;
  border: 1px solid var(--border);
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background .12s, color .12s;
}

.panel-close:hover { background: var(--surface-2); color: var(--text-1); }

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
}

.panel-image-wrap {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.panel-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.panel-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.4px;
  line-height: 1.35;
  color: var(--text-1);
  margin-bottom: 14px;
}

.panel-meta { display: flex; flex-direction: column; gap: 7px; margin-bottom: 14px; }

.panel-meta-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 12px;
  color: var(--text-2);
}

.panel-meta-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--text-3);
  min-width: 72px;
  flex-shrink: 0;
}

.panel-divider {
  height: 1px;
  background: var(--border);
  margin: 14px 0;
}

.panel-text {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.75;
  white-space: pre-wrap;
  word-break: break-word;
}

.panel-hashtags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 14px;
}

.hashtag {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 9px;
  border-radius: 20px;
  background: var(--accent-bg);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

.panel-notes {
  margin-top: 14px;
  padding: 10px 12px;
  background: #fefce8;
  border: 1px solid #fde047;
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: #854d0e;
  line-height: 1.55;
}

.panel-link { margin-top: 16px; }

.panel-link a {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.panel-link a:hover { text-decoration: underline; }

/* ── Empty state ────────────────────────────────────────────────────────── */

.empty-state {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text-3);
  pointer-events: none;
}

.empty-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-2);
}

.empty-sub {
  font-size: 12.5px;
  color: var(--text-3);
  text-align: center;
  max-width: 260px;
  line-height: 1.5;
}

/* ── Day popup ──────────────────────────────────────────────────────────── */

.day-popup {
  position: fixed;
  z-index: 50;
  width: 290px;
  max-height: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: popup-in .18s cubic-bezier(.16,1,.3,1);
}

@keyframes popup-in {
  from { opacity: 0; transform: scale(.95) translateY(-6px); }
  to   { opacity: 1; transform: scale(1)  translateY(0); }
}

.day-popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.day-popup-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: -0.2px;
  color: var(--text-1);
}

.day-popup-close {
  background: none;
  border: 1px solid var(--border);
  width: 22px;
  height: 22px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-2);
  transition: background .12s;
  flex-shrink: 0;
}
.day-popup-close:hover { background: var(--surface-2); }

.day-popup-list {
  overflow-y: auto;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.popup-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 9px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .12s;
  min-width: 0;
}
.popup-row:hover { background: var(--surface-2); }
.popup-row:active { transform: scale(.99); }

.popup-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.popup-dot.dot-pub { background: #16a34a; }
.popup-dot.dot-sch { background: #2563eb; }
.popup-dot.dot-dft { background: #94a3b8; }

.popup-row-body {
  flex: 1;
  min-width: 0;
}

.popup-row-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.popup-row-meta {
  font-size: 10.5px;
  color: var(--text-3);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.popup-row-time {
  font-size: 10.5px;
  color: var(--text-3);
  font-weight: 500;
  flex-shrink: 0;
}

/* ── Utilities ──────────────────────────────────────────────────────────── */

.hidden { display: none !important; }

/* Thin scrollbars */
::-webkit-scrollbar        { width: 4px; height: 4px; }
::-webkit-scrollbar-track  { background: transparent; }
::-webkit-scrollbar-thumb  { background: var(--border); border-radius: 2px; }