/* X Scheduler — dark, X-inspired theme */
* { box-sizing: border-box; }

:root {
  --bg: #000000;
  --surface: #0b0e11;
  --border: #2f3336;
  --text: #e7e9ea;
  --muted: #71767b;
  --accent: #1d9bf0;
  --accent-hover: #1a8cd8;
  --danger: #f4212e;
  --success: #00ba7c;
  --warning: #ffd400;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }

.center-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

/* ---------- cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}

/* ---------- auth ---------- */
.auth-card {
  width: 100%;
  max-width: 400px;
  padding: 32px;
}

.logo-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-row h1 { margin: 0; font-size: 26px; }
.logo-x {
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
}
.logo-row.small .logo-x { font-size: 22px; }
.topbar-title { font-size: 17px; font-weight: 700; }

.auth-sub { margin: 8px 0 20px; }

#auth-form { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }

input[type="email"],
input[type="password"],
input[type="datetime-local"],
input[type="time"],
select,
textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  width: 100%;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}
input[type="datetime-local"],
input[type="time"] {
  width: auto;
  padding: 8px 10px;
  color-scheme: dark;
}
select {
  width: auto;
  padding: 8px 10px;
  cursor: pointer;
}

textarea { resize: vertical; min-height: 90px; }

.form-error { color: var(--danger); margin: 4px 0 0; font-size: 14px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 9999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  font-family: inherit;
  padding: 10px 20px;
  cursor: pointer;
  text-decoration: none;
  color: var(--text);
  background: transparent;
  transition: background 0.15s ease;
  white-space: nowrap;
}
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-hover); }
.btn.primary:disabled { opacity: 0.5; cursor: default; }
.btn.ghost { border-color: var(--border); }
.btn.ghost:hover { background: rgba(239, 243, 244, 0.08); }
.btn.small { padding: 6px 14px; font-size: 13px; }
.btn.full { width: 100%; }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: rgba(244, 33, 46, 0.1); }

/* ---------- tabs ---------- */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.tab {
  background: none;
  border: none;
  color: var(--muted);
  font: inherit;
  font-weight: 600;
  padding: 10px 16px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* ---------- topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 10;
}
.topbar-right { display: flex; align-items: center; gap: 12px; }

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 20px 16px 80px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ---------- X connection card ---------- */
.x-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.x-row h2 { margin: 0 0 4px; font-size: 17px; }
.x-row p { margin: 2px 0; }
.row-actions { display: flex; gap: 8px; }

/* ---------- composer ---------- */
.composer h2 { margin: 0 0 12px; font-size: 17px; }
.composer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.composer-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.when-label { display: inline-flex; align-items: center; gap: 8px; }
#char-count.over { color: var(--danger); font-weight: 700; }

/* ---------- posts list ---------- */
.posts-section { display: flex; flex-direction: column; }
#posts-list { display: flex; flex-direction: column; gap: 12px; }

.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}
.post-text {
  margin: 0 0 10px;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}
.post-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.post-error {
  color: var(--danger);
  font-size: 13px;
  margin: 8px 0 0;
}

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 9999px;
  border: 1px solid;
}
.badge.pending { color: var(--accent); border-color: var(--accent); }
.badge.posting { color: var(--warning); border-color: var(--warning); }
.badge.posted { color: var(--success); border-color: var(--success); }
.badge.failed { color: var(--danger); border-color: var(--danger); }

.empty { text-align: center; padding: 40px 0; }

/* ---------- toasts ---------- */
#toasts {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
  width: min(90vw, 420px);
}
.toast {
  background: var(--accent);
  color: #fff;
  padding: 12px 18px;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  animation: toast-in 0.2s ease;
}
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- card headers ---------- */
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.card-head h2 { margin: 0; font-size: 17px; }
.composer-head-controls { display: flex; align-items: center; gap: 8px; }
.small-note { font-size: 13px; margin: 10px 0 0; }

/* ---------- accounts ---------- */
.account-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.account-row:first-child { border-top: none; }
.inline-warn { font-size: 13px; }

/* ---------- composer segments (threads) ---------- */
#segments { display: flex; flex-direction: column; gap: 14px; }
.segment { position: relative; }
.segment + .segment::before {
  content: '';
  position: absolute;
  left: 18px;
  top: -14px;
  height: 14px;
  border-left: 2px solid var(--border);
}
.segment-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  margin-bottom: 4px;
}
.segment-remove,
.thumb-remove {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
}
.segment-remove:hover,
.thumb-remove:hover { color: var(--danger); background: rgba(244, 33, 46, 0.1); }
.segment-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
}
.char { font-size: 13px; }
.char.over { color: var(--danger); font-weight: 700; }
.segment-thumbs {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.thumb {
  position: relative;
  width: 88px;
  height: 88px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
}
.composer-footer { margin-top: 14px; }

/* ---------- AI menu ---------- */
.ai-wrap { position: relative; }
.menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px;
  z-index: 20;
  min-width: 220px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
}
.menu button {
  background: none;
  border: none;
  color: var(--text);
  font: inherit;
  text-align: left;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
}
.menu button:hover { background: rgba(239, 243, 244, 0.08); }

/* ---------- queue slots ---------- */
.slot-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}
#slot-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: 9999px;
  padding: 5px 6px 5px 14px;
  font-size: 14px;
  font-weight: 600;
}
.chip button {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 9999px;
}
.chip button:hover { color: var(--danger); background: rgba(244, 33, 46, 0.1); }
.slot-add { display: flex; align-items: center; gap: 8px; }

/* ---------- post cards: threads & media ---------- */
.post-segment.threaded {
  border-top: 1px solid var(--border);
  margin-top: 10px;
  padding-top: 10px;
}
.post-thumbs { display: flex; gap: 8px; flex-wrap: wrap; margin: 4px 0 10px; }
.post-thumb {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.badge.draft { color: var(--muted); border-color: var(--muted); }

@media (max-width: 520px) {
  .composer-footer { flex-direction: column; align-items: stretch; }
  .composer-controls { justify-content: flex-end; }
}