:root {
  --ink: #1a2332;
  --muted: #5d6b7c;
  --line: rgba(26, 35, 50, 0.12);
  --panel: rgba(255, 255, 255, 0.78);
  --panel-strong: #ffffff;
  --accent: #0f766e;
  --accent-soft: #d8f3ef;
  --idea: #7c6a4a;
  --draft: #3d5a80;
  --scheduled: #0f766e;
  --published: #4a5568;
  --danger: #b42318;
  --shadow: 0 18px 50px rgba(26, 35, 50, 0.12);
  --radius: 18px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #c8ebe6 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #dfe7f3 0%, transparent 50%),
    linear-gradient(180deg, #eef2f6 0%, #e7edf3 100%);
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; margin: 0; }
.muted { color: var(--muted); }
.error { color: var(--danger); font-weight: 600; }

.app-shell { max-width: 1200px; margin: 0 auto; padding: 24px 20px 48px; }
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  margin-bottom: 20px;
}
.brand { display: flex; gap: 14px; align-items: center; }
.brand-mark {
  width: 48px; height: 48px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--ink); color: #fff;
  font-family: var(--font-display); font-weight: 700; letter-spacing: 0.04em;
}
.brand-kicker {
  margin: 0; text-transform: uppercase; letter-spacing: 0.14em;
  font-size: 0.72rem; color: var(--muted); font-weight: 600;
}
.topbar h1 { font-size: 1.55rem; line-height: 1.15; }
.topbar-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.btn {
  border: 1px solid var(--line); background: var(--panel-strong);
  color: var(--ink); border-radius: 999px; padding: 0.55rem 1rem;
  font: 600 0.92rem/1 var(--font-body); cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
}
.btn:hover { border-color: rgba(26,35,50,0.28); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; }
.btn-danger { background: #fff5f4; border-color: #f3c6c2; color: var(--danger); }
.full-btn { width: 100%; margin-top: 12px; }
.icon-btn {
  border: 0; background: transparent; font-size: 1.6rem; line-height: 1;
  cursor: pointer; color: var(--muted);
}

.library-panel {
  background: var(--panel); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.7); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 12px 16px; margin-bottom: 18px;
}
.library-head {
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  align-items: center;
}
.library-toggle {
  display: flex; gap: 10px; align-items: center; border: 0; background: transparent;
  padding: 0; cursor: pointer; text-align: left; color: inherit; font: inherit;
}
.library-toggle .chev {
  width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center;
  background: rgba(255,255,255,0.7); border: 1px solid var(--line);
  transition: transform 0.15s ease; font-size: 0.85rem;
}
.library-panel:not(.is-collapsed) .library-toggle .chev { transform: rotate(90deg); }
.library-head h2 { font-size: 1.15rem; }
.library-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.library-panel.is-collapsed .library-actions,
.library-panel.is-collapsed .library-body { display: none; }
.library-body { margin-top: 12px; }
.sheet-wide { width: min(720px, calc(100vw - 24px)); }
.plan-preview {
  border: 1px solid var(--line); border-radius: 14px; padding: 12px;
  background: rgba(255,255,255,0.65);
}
.plan-preview-title { margin: 0 0 8px; font-weight: 700; font-size: 0.85rem; }
.plan-preview-list {
  margin: 0; padding-left: 1.2rem; max-height: 160px; overflow: auto;
  font-size: 0.88rem; display: grid; gap: 4px;
}
.plan-preview-list li { color: var(--ink); }
#planHint { margin: 8px 0 0; font-size: 0.8rem; }
.text-block {
  border: 1px solid rgba(15,118,110,0.28);
  background: linear-gradient(180deg, #e8f7f4 0%, #ffffff 70%);
  border-radius: 14px; padding: 12px; display: grid; gap: 10px;
}
.text-block-title {
  margin: 0; font-family: var(--font-display); font-size: 1.05rem;
}
.text-block-hint { margin: -4px 0 0; font-size: 0.82rem; }
.check-row {
  display: flex !important; flex-direction: row !important; align-items: center;
  gap: 10px; font-size: 0.9rem; color: var(--ink);
}
.preset-row {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 4px;
}
.preset-row .btn { font-size: 0.8rem; padding: 0.4rem 0.75rem; }
.settings-panel { max-width: 720px; }
.settings-panel h2 { margin: 0 0 8px; font-size: 1.35rem; }
.settings-card {
  background: var(--panel); border: 1px solid rgba(255,255,255,0.7);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px; margin: 14px 0;
}
.settings-card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.setup-list { margin: 8px 0 0; padding-left: 1.2rem; display: grid; gap: 6px; color: var(--muted); }
.setup-list code, .settings-card code {
  font-size: 0.82rem; background: rgba(26,35,50,0.06); padding: 0.1rem 0.35rem; border-radius: 6px;
}
.banner {
  border-radius: 12px; padding: 10px 14px; margin: 0 0 14px; font-weight: 600;
}
.banner.ok { background: var(--accent-soft); color: var(--accent); }
.banner.err { background: #fff5f4; color: var(--danger); }
.badge.meta-ok { background: #e8f7f4; color: var(--accent); }
.badge.meta-err { background: #fff5f4; color: var(--danger); }
.file-btn { cursor: pointer; }
.dropzone {
  border: 1.5px dashed rgba(15,118,110,0.35); border-radius: 14px;
  padding: 18px; text-align: center; margin-bottom: 14px;
  background: rgba(255,255,255,0.45); transition: 0.15s ease;
}
.dropzone.is-drag {
  border-color: var(--accent); background: var(--accent-soft);
}
.media-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
}
.media-empty { grid-column: 1 / -1; }
.media-card {
  position: relative; border: 2px solid transparent; border-radius: 14px;
  overflow: hidden; background: #fff; padding: 0; cursor: pointer;
  text-align: left; aspect-ratio: 1; display: block;
}
.media-card img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.media-card.is-selected { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.media-card.is-used .media-flag { background: #eceff3; color: var(--published); }
.media-flag {
  position: absolute; left: 8px; top: 8px; font-size: 0.68rem; font-weight: 700;
  background: var(--accent-soft); color: var(--accent); border-radius: 999px;
  padding: 0.15rem 0.45rem;
}
.media-name {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: linear-gradient(transparent, rgba(18,28,40,0.72));
  color: #fff; font-size: 0.68rem; padding: 18px 8px 8px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.media-del {
  position: absolute; right: 6px; top: 6px; width: 24px; height: 24px;
  border-radius: 50%; background: rgba(18,28,40,0.65); color: #fff;
  display: grid; place-items: center; font-size: 1rem; line-height: 1;
}
.media-del:hover { background: var(--danger); }
.day-thumbs {
  display: flex; gap: 3px; flex-wrap: wrap; margin-top: auto;
}
.day-thumbs img {
  width: 22px; height: 22px; border-radius: 5px; object-fit: cover;
}
.post-card-row { display: flex; gap: 10px; align-items: flex-start; }
.post-card-thumb {
  width: 56px; height: 56px; border-radius: 10px; object-fit: cover; flex: 0 0 auto;
}
.post-thumbs {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.post-thumbs img {
  width: 72px; height: 72px; border-radius: 10px; object-fit: cover;
}

.toolbar {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-bottom: 16px; align-items: end;
}
.month-nav { display: flex; align-items: center; gap: 8px; }
.month-nav h2 { min-width: 10rem; text-align: center; font-size: 1.25rem; text-transform: capitalize; }
.filters { display: flex; gap: 12px; flex-wrap: wrap; }
label { display: grid; gap: 6px; font-size: 0.8rem; font-weight: 600; color: var(--muted); }
input, select, textarea {
  font: 500 0.95rem/1.4 var(--font-body); color: var(--ink);
  border: 1px solid var(--line); border-radius: 12px; padding: 0.65rem 0.8rem;
  background: #fff; width: 100%;
}
textarea { resize: vertical; }

.layout {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 16px;
}
.calendar-panel, .side-panel, .login-card {
  background: var(--panel); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.7); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.calendar-panel { padding: 16px; }
.weekday-row, .calendar-grid {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px;
}
.weekday-row {
  margin-bottom: 8px; color: var(--muted); font-size: 0.75rem;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  text-align: center;
}
.day {
  min-height: 92px; border-radius: 14px; border: 1px solid transparent;
  background: rgba(255,255,255,0.55); padding: 8px; cursor: pointer;
  display: flex; flex-direction: column; gap: 6px; transition: 0.15s ease;
}
.day:hover { border-color: rgba(15,118,110,0.35); }
.day.is-out { opacity: 0.38; }
.day.is-today { box-shadow: inset 0 0 0 1.5px var(--accent); }
.day.is-selected { background: #fff; border-color: var(--accent); }
.day-num { font-weight: 700; font-size: 0.9rem; }
.day-dots { display: flex; flex-wrap: wrap; gap: 4px; }
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--draft);
}
.dot.idea { background: var(--idea); }
.dot.draft { background: var(--draft); }
.dot.scheduled { background: var(--scheduled); }
.dot.published { background: var(--published); }

.side-panel { padding: 18px; min-height: 420px; }
.side-head { margin-bottom: 14px; }
.post-list { display: grid; gap: 10px; }
.post-card {
  border: 1px solid var(--line); border-radius: 14px; padding: 12px;
  background: var(--panel-strong); cursor: pointer; text-align: left;
}
.post-card:hover { border-color: rgba(15,118,110,0.4); }
.post-card .meta {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  margin-bottom: 6px; font-size: 0.75rem; font-weight: 700; color: var(--muted);
}
.badge {
  display: inline-flex; align-items: center; border-radius: 999px;
  padding: 0.2rem 0.55rem; background: var(--accent-soft); color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.badge.idea { background: #f3ecdf; color: var(--idea); }
.badge.draft { background: #e8eef6; color: var(--draft); }
.badge.scheduled { background: var(--accent-soft); color: var(--scheduled); }
.badge.published { background: #eceff3; color: var(--published); }
.post-card h4 { margin: 0 0 4px; font-size: 1rem; font-family: var(--font-display); }
.post-card p { margin: 0; color: var(--muted); font-size: 0.88rem; }
.empty {
  border: 1px dashed var(--line); border-radius: 14px; padding: 18px;
  color: var(--muted); text-align: center;
}

.sheet {
  border: 0; border-radius: 20px; padding: 0; width: min(640px, calc(100vw - 24px));
  box-shadow: var(--shadow); background: #fff;
}
.sheet::backdrop { background: rgba(18, 28, 40, 0.45); backdrop-filter: blur(3px); }
.sheet-form { padding: 18px 18px 14px; }
.sheet-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.form-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.form-grid .full { grid-column: 1 / -1; }
.sheet-foot {
  display: flex; align-items: center; gap: 8px; margin-top: 16px; flex-wrap: wrap;
}
.spacer { flex: 1; }

.login-body {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
}
.login-card {
  width: min(400px, 100%); padding: 28px; text-align: left;
}
.login-card h1 { margin: 4px 0 8px; font-size: 2rem; }
.login-card form { margin-top: 18px; display: grid; gap: 10px; }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .day { min-height: 72px; }
}
@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; flex-direction: column; }
}