/* ---------- ธีมสี ----------
   ค่า default ใน :root = โหมดมืด (ธีมเดิมของแอป)
   theme.js จะเซ็ต <html data-theme="light|dark"> ให้ตั้งแต่ก่อน render
   ถ้า JS ไม่ทำงาน หน้าเว็บก็ยังได้ธีมมืดเหมือนเดิม ไม่พัง */
:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --input-bg: #0f1115;
  --border: #2a2f3a;
  --text: #e8eaed;
  --muted: #8a90a0;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --good: #34d399;
  --good-soft: rgba(52, 211, 153, 0.12);
  --danger: #f87171;
  --danger-soft: rgba(248, 113, 113, 0.12);
  --danger-line: rgba(248, 113, 113, 0.35);
  --danger-text: #fca5a5;
  --ring: rgba(124, 92, 255, 0.2);
  --glow-a: rgba(124, 92, 255, 0.20);
  --glow-b: rgba(34, 211, 238, 0.16);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.5);
  --logo-shadow: 0 10px 24px rgba(124, 92, 255, 0.35);
  --radius: 14px;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --panel-2: #f1f3f9;
  --input-bg: #ffffff;
  --border: #dde2ec;
  --text: #171a21;
  --muted: #667085;
  --accent: #6d4aff;
  --accent-2: #0b7a90;
  --good: #0b8a5f;
  --good-soft: rgba(11, 138, 95, 0.12);
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, 0.08);
  --danger-line: rgba(220, 38, 38, 0.28);
  --danger-text: #b91c1c;
  --ring: rgba(109, 74, 255, 0.18);
  --glow-a: rgba(109, 74, 255, 0.16);
  --glow-b: rgba(11, 122, 144, 0.12);
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-lg: 0 24px 60px rgba(16, 24, 40, 0.16);
  --logo-shadow: 0 10px 24px rgba(109, 74, 255, 0.28);
  color-scheme: light;
}

/* transition เฉพาะตอนกดสลับธีม (theme.js ใส่/ถอด class ให้) */
:root.theme-transition,
:root.theme-transition *,
:root.theme-transition *::before,
:root.theme-transition *::after {
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease !important;
}
@media (prefers-reduced-motion: reduce) {
  :root.theme-transition,
  :root.theme-transition *,
  :root.theme-transition *::before,
  :root.theme-transition *::after { transition: none !important; }
}

/* ---------- ปุ่มสลับธีม ---------- */
.sidebar-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.theme-switch {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  flex: none;
}
.theme-switch button {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.2;
  font-family: inherit;
  filter: grayscale(1);
  opacity: 0.65;
  transition: filter 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}
.theme-switch button:hover { opacity: 1; }
.theme-switch button[aria-pressed="true"] {
  background: var(--panel);
  box-shadow: var(--shadow-sm);
  filter: none;
  opacity: 1;
}
.theme-switch button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.login-theme-switch {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 2;
  background: var(--panel);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app-logout {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 9px;
  border-radius: 10px;
  font-size: 12.5px;
  font-family: inherit;
  cursor: pointer;
}
.app-logout:hover { color: var(--danger); border-color: var(--danger); }

.layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sidebar h1 {
  font-size: 18px;
  line-height: 1.3;
  margin: 0 0 4px;
}

.add-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--panel-2);
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.add-form input, .add-form select, .add-form textarea {
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 13px;
  font-family: inherit;
  resize: vertical;
}

.add-form button {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  color: white;
  padding: 9px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}

.section-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0;
}

.own-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.own-form {
  border-color: var(--good);
}

.own-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.own-list .competitor-item {
  border-color: var(--good);
}

.own-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--good);
  background: var(--good-soft);
  border: 1px solid var(--good);
  padding: 2px 8px;
  border-radius: 999px;
  vertical-align: middle;
}

.competitor-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  flex: 1;
}

.competitor-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid transparent;
}

.competitor-item:hover { background: var(--panel-2); }
.competitor-item.active {
  background: var(--panel-2);
  border-color: var(--accent);
}

.competitor-item .plat {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
}

.competitor-item .del {
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
}
.competitor-item .del:hover { color: var(--danger); }

.ghost-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px;
  border-radius: 10px;
  cursor: pointer;
}
.ghost-btn:hover { border-color: var(--accent); }

.primary-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  color: white;
  padding: 9px 16px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
}

.credit-info {
  font-size: 12px;
  color: var(--muted);
}

.content {
  padding: 28px 32px;
  overflow-y: auto;
}

.own-profile-card {
  margin-bottom: 20px;
}
.own-profile-card h3 { margin: 0 0 12px; font-size: 14px; font-weight: 600; }
.profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 8px;
}
.profile-grid .label {
  display: block;
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 2px;
}
.own-profile-card #pf-usp:empty { display: none; }

.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--muted);
}
.empty-state p { margin: 0; }

.hidden { display: none; }

.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.dash-header h2 { margin: 0 0 2px; }
.muted { color: var(--muted); font-size: 13px; }

.stat-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.card .label { color: var(--muted); font-size: 12px; }
.card .value { font-size: 24px; font-weight: 700; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px 18px;
}
.panel h3 { margin: 0 0 12px; font-size: 14px; color: var(--muted); font-weight: 600; }

.hashtag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.hashtag-cloud span {
  background: var(--panel-2);
  border: 1px solid var(--border);
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--accent-2);
}

.post-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.post-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
}
.post-table td {
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.post-table .caption-cell {
  max-width: 340px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.post-table a { color: var(--accent-2); text-decoration: none; }

/* ---------- Login ---------- */
.login-gate {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow-y: auto;
  background:
    radial-gradient(560px circle at 18% 22%, var(--glow-a), transparent 60%),
    radial-gradient(560px circle at 84% 78%, var(--glow-b), transparent 60%),
    var(--bg);
}
.login-gate.hidden { display: none; }

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 32px 30px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-logo {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: var(--logo-shadow);
}

.login-heading { margin-top: 2px; }
.login-heading h1 { font-size: 20px; margin: 0 0 4px; line-height: 1.3; }
.login-heading .muted { margin: 0; font-size: 13px; }

.login-field { display: flex; flex-direction: column; gap: 6px; }
.login-field label {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.login-field input {
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 11px 13px;
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.login-field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--ring);
}

.login-submit {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  color: #fff;
  padding: 12px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  margin-top: 4px;
  transition: transform 0.12s ease, opacity 0.15s ease;
}
.login-submit:hover { opacity: 0.92; }
.login-submit:active { transform: scale(0.98); }
.login-submit[disabled] { opacity: 0.6; cursor: not-allowed; }

.login-error {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--danger-soft);
  border: 1px solid var(--danger-line);
  color: var(--danger-text);
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 12.5px;
  margin: 0;
}

.login-footer {
  text-align: center;
  font-size: 11.5px;
  color: var(--muted);
  margin: 6px 0 0;
}
