/** OAuth page styles */

/* Phase 5E — Microsoft Fluent / Google Material dark */

* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--bg); }
body {
  font-family: 'Segoe UI', -apple-system, 'Roboto', 'Noto Sans Bengali', system-ui, sans-serif;
  background: var(--bg); color: var(--text-1);
  font-size: 13px; line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
.mono { font-family: 'Roboto Mono', monospace; font-feature-settings: "tnum"; }

/* APP SHELL */
.app { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }

/* SIDEBAR */
.sidebar {
  background: var(--bg-elevated); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.sb-header { padding: 18px 18px 14px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 11px; }
.sb-logo { width: 32px; height: 32px; border-radius: 8px; background: var(--bg-subtle); border: 1px solid var(--border); overflow: hidden; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.sb-logo img { width: 100%; height: 100%; object-fit: contain; display: block; }
.sb-wordmark .name { font-size: 14.5px; font-weight: 700; color: var(--text-1); line-height: 1.1; }
.sb-wordmark .sub { font-size: 9px; color: var(--text-4); letter-spacing: .14em; text-transform: uppercase; font-weight: 700; }
.sb-section { padding: 12px 10px 2px; }
.sb-label { font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--text-4); font-weight: 700; padding: 0 10px 6px; }
.sb-nav { display: flex; flex-direction: column; gap: 1px; padding: 0 6px; }
.sb-item { display: flex; align-items: center; gap: 11px; padding: 8px 10px; border-radius: 7px; cursor: pointer;
  color: var(--text-2); font-size: 13px; font-weight: 500; transition: all .12s; text-decoration: none; }
.sb-item:hover { background: var(--bg-hover); color: var(--text-1); }
.sb-item.active { background: var(--bg-hover); color: var(--text-1); font-weight: 600; box-shadow: inset 0 0 0 1px var(--border); }
.sb-item.active .sb-icon { color: var(--brand); }
.sb-icon { width: 16px; display: inline-flex; align-items: center; justify-content: center; color: var(--text-3); }
.sb-icon svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.sb-badge { margin-left: auto; background: var(--bg-subtle); border: 1px solid var(--border); color: var(--text-2);
  font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 5px; font-family: 'Roboto Mono', monospace; }
.sb-item.active .sb-badge { background: var(--brand-soft); color: var(--brand); border-color: transparent; }
.sb-dot { margin-left: auto; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 6px var(--brand); }
.sb-footer { margin-top: auto; padding: 12px; border-top: 1px solid var(--border); }
.sb-user { display: flex; align-items: center; gap: 10px; padding: 7px 8px; border-radius: 8px; cursor: pointer; }
.sb-user:hover { background: var(--bg-hover); }
.sb-avatar { width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dim) 100%);
  color: #18181b; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 12px; }
.sb-user-name { font-size: 12.5px; font-weight: 600; color: var(--text-1); }
.sb-user-role { font-size: 10.5px; color: var(--text-3); }

/* MAIN */
.main { display: flex; flex-direction: column; min-width: 0; }

/* TOPBAR */
.topbar { position: sticky; top: 0; z-index: 30;
  background: rgba(10,10,11,.82); 
  border-bottom: 1px solid var(--border); padding: 11px 24px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.back-to-dash { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 8px; color: var(--text-2); text-decoration: none; font-size: 12.5px; font-weight: 500; transition: all .15s; font-family: inherit; cursor: pointer; }
.back-to-dash:hover { color: var(--text-1); border-color: var(--brand); background: var(--bg-hover); }
.back-to-dash svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; }

.tb-actions { margin-left: auto; display: flex; align-items: center; gap: 7px; }
.status-pill { display: flex; align-items: center; gap: 7px; padding: 4px 10px 4px 8px;
  background: var(--green-soft); border: 1px solid rgba(74,222,128,.25); border-radius: 999px;
  font-size: 10.5px; font-weight: 600; color: var(--green); font-family: 'Roboto Mono', monospace; }
.status-pill.warn { background: var(--amber-soft); color: var(--amber); border-color: rgba(245,158,11,.25); }
.status-pill.err { background: var(--red-soft); color: var(--red); border-color: rgba(239,68,68,.25); }
.status-pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* CONTENT */
.content { padding: 22px 24px 36px; max-width: 1480px; width: 100%; margin: 0 auto; }

/* PAGE HEAD */
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 16px; }
.page-eyebrow { font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); font-weight: 700; font-family: 'Roboto Mono', monospace; }
.page-title { font-size: 22px; letter-spacing: -.015em; color: var(--text-1); font-weight: 700; display: flex; align-items: center; gap: 12px; margin-top: 3px; }

.btn { display: inline-flex; align-items: center; gap: 7px; padding: 7px 14px;
  border-radius: 7px; font-size: 12px; font-weight: 600; font-family: inherit; cursor: pointer;
  transition: all .15s; border: 1px solid var(--border); background: var(--bg-elevated); color: var(--text-2); }
.btn:hover { color: var(--text-1); border-color: var(--border-strong); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn svg { width: 13px; height: 13px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn.brand { background: linear-gradient(180deg, var(--brand) 0%, var(--brand-dim) 100%); color: #1a1408; border-color: var(--brand-dim); font-weight: 700; }
.btn.brand:hover { filter: brightness(1.05); }
.btn.danger { color: var(--red); border-color: rgba(239,68,68,.3); }
.btn.danger:hover { background: var(--red-soft); border-color: var(--red); }

/* METRICS */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 10px;
  overflow: hidden; margin-bottom: 14px; }
.metric { padding: 12px 16px; border-right: 1px solid var(--border); display: flex; flex-direction: column; gap: 4px; }
.metric:last-child { border-right: none; }
.metric-label { font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); font-weight: 700; }
.metric-value { font-family: 'Roboto Mono', monospace; font-size: 19px; font-weight: 700; color: var(--text-1); letter-spacing: -.02em; display: flex; align-items: baseline; gap: 6px; }
.metric-value .unit { font-size: 11px; color: var(--text-3); font-weight: 500; }
.metric-value.green { color: var(--green); }
.metric-value.amber { color: var(--amber); }

/* TABS */
.tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.tab { padding: 9px 14px; font-size: 12px; font-weight: 600; color: var(--text-3); background: transparent;
  border: none; cursor: pointer; font-family: inherit; border-bottom: 2px solid transparent; transition: all .15s; margin-bottom: -1px; }
.tab:hover { color: var(--text-1); }
.tab.active { color: var(--text-1); border-bottom-color: var(--brand); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* CHANNEL CARDS GRID */
.channels-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: 10px; }

.ch-card { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 16px; transition: all .15s; position: relative; }
.ch-card.connected { border-color: rgba(74,222,128,.25); }
.ch-card.disabled { opacity: .5; }
.ch-card.error { border-color: rgba(239,68,68,.3); }

.ch-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.ch-thumb { width: 36px; height: 36px; border-radius: 50%; background: var(--bg-subtle);
  border: 1px solid var(--border); flex-shrink: 0; object-fit: cover; }
.ch-thumb.placeholder { display: flex; align-items: center; justify-content: center; color: var(--text-3); font-weight: 700; }
.ch-info { flex: 1; min-width: 0; }
.ch-label { font-size: 13.5px; font-weight: 600; color: var(--text-1); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ch-yt-title { font-size: 11px; color: var(--text-3); margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: 'Roboto Mono', monospace; }
.ch-status-badge { padding: 2px 7px; border-radius: 4px; font-size: 9.5px; font-weight: 800;
  letter-spacing: .04em; text-transform: uppercase; }
.ch-status-badge.connected { background: var(--green-soft); color: var(--green); }
.ch-status-badge.disconnected { background: var(--bg-subtle); color: var(--text-3); border: 1px solid var(--border); }
.ch-status-badge.disabled { background: var(--amber-soft); color: var(--amber); }
.ch-status-badge.error { background: var(--red-soft); color: var(--red); }

.ch-meta { font-size: 10.5px; color: var(--text-3); margin-bottom: 10px;
  display: flex; gap: 12px; flex-wrap: wrap; font-family: 'Roboto Mono', monospace; }
.ch-meta-item { display: flex; align-items: center; gap: 4px; }
.ch-meta-item .lbl { color: var(--text-4); }

.ch-actions { display: flex; gap: 6px; }
.ch-btn { flex: 1; padding: 7px 10px; border-radius: 6px; font-size: 11px; font-weight: 700;
  font-family: inherit; cursor: pointer; border: 1px solid var(--border); background: var(--bg-elevated); color: var(--text-2); transition: all .15s; }
.ch-btn:hover { color: var(--text-1); border-color: var(--border-strong); }
.ch-btn:disabled { opacity: .5; cursor: not-allowed; }
.ch-btn.primary { background: linear-gradient(180deg, var(--brand) 0%, var(--brand-dim) 100%); color: #1a1408; border-color: var(--brand-dim); }
.ch-btn.primary:hover { filter: brightness(1.08); }
.ch-btn.danger { color: var(--red); border-color: rgba(239,68,68,.3); }
.ch-btn.danger:hover { background: var(--red-soft); border-color: var(--red); }

.ch-error { margin-top: 8px; padding: 8px 10px; background: var(--red-soft); border: 1px solid rgba(239,68,68,.2);
  border-radius: 6px; font-size: 11px; color: var(--red); line-height: 1.4; }

/* FILTERS */
.filters-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.filter-chip { padding: 5px 12px; border-radius: 999px; font-size: 11px; font-weight: 600; color: var(--text-2);
  background: var(--bg-elevated); border: 1px solid var(--border); cursor: pointer; transition: all .15s; }
.filter-chip:hover { color: var(--text-1); border-color: var(--border-strong); }
.filter-chip.active { background: var(--text-1); color: var(--bg); border-color: var(--text-1); }
.filter-chip .count { font-family: 'Roboto Mono', monospace; opacity: .7; margin-left: 4px; }

/* SETTINGS CARD */
.settings-card { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 12px; padding: 20px; margin-bottom: 14px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 14px; gap: 16px; }
.section-title { font-size: 14px; font-weight: 700; color: var(--text-1); letter-spacing: -.01em; }
.section-sub { font-size: 11px; color: var(--text-3); margin-top: 2px; }
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field-label { font-size: 11px; font-weight: 600; color: var(--text-2); letter-spacing: .02em; }
.field-input, .field-select { background: var(--bg-subtle); border: 1px solid var(--border); border-radius: 7px;
  padding: 8px 11px; font-size: 12.5px; color: var(--text-1); font-family: inherit; }
.field-input:focus, .field-select:focus { outline: none; border-color: var(--brand-dim); box-shadow: 0 0 0 3px rgba(228,181,61,.08); }
.field-help { font-size: 11px; color: var(--text-3); line-height: 1.45; margin-top: 2px; }
.field-code { font-family: 'Roboto Mono', monospace; background: var(--bg-subtle); border: 1px solid var(--border);
  padding: 7px 10px; border-radius: 6px; font-size: 11px; color: var(--brand); display: inline-block; user-select: all; }
.copy-btn { background: var(--bg-subtle); color: var(--text-2); border: 1px solid var(--border);
  padding: 4px 8px; border-radius: 5px; font-size: 10px; font-weight: 700; cursor: pointer; font-family: inherit; margin-left: 6px; }
.copy-btn:hover { background: var(--bg-hover); color: var(--text-1); }

/* GUIDE BOX */
.guide-box { background: var(--brand-bg); border: 1px solid var(--brand-soft); border-radius: 10px;
  padding: 14px 16px; margin-bottom: 14px; font-size: 12px; color: var(--text-2); line-height: 1.55; }
.guide-box strong { color: var(--brand); }
.guide-box a { color: var(--brand); text-decoration: underline; }
.guide-box ol { padding-left: 20px; margin: 8px 0; }
.guide-box li { margin: 4px 0; }

/* AUDIT LOG */
.audit-table { width: 100%; border-collapse: collapse; font-size: 11.5px; }
.audit-table th { text-align: left; padding: 8px 12px; font-size: 9.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); font-weight: 700; font-family: 'Roboto Mono', monospace; border-bottom: 1px solid var(--border); }
.audit-table td { padding: 9px 12px; border-bottom: 1px solid var(--border); }
.audit-table tr:last-child td { border-bottom: none; }
.event-badge { padding: 1px 6px; border-radius: 3px; font-size: 9.5px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.event-badge.connected { background: var(--green-soft); color: var(--green); }
.event-badge.disconnected { background: var(--bg-subtle); color: var(--text-3); }
.event-badge.token_refreshed { background: var(--blue-soft); color: var(--blue); }
.event-badge.token_used { background: var(--bg-subtle); color: var(--text-2); }
.event-badge.token_failed { background: var(--red-soft); color: var(--red); }
.event-badge.disabled { background: var(--amber-soft); color: var(--amber); }
.event-badge.enabled { background: var(--green-soft); color: var(--green); }

/* TOAST */
.toast-stack { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 200; }
.toast { background: var(--bg-elevated); border: 1px solid var(--border-strong); border-radius: 10px; padding: 12px 16px; font-size: 12.5px; min-width: 280px; max-width: 380px;
  box-shadow: 0 8px 24px rgba(0,0,0,.4); animation: slidein .25s ease-out; }
.toast.ok { border-left: 3px solid var(--green); }
.toast.err { border-left: 3px solid var(--red); }
@keyframes slidein { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* MODAL */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.7); z-index: 100; display: none; align-items: center; justify-content: center;  }
.modal-bg.open { display: flex; }
.modal { background: var(--bg-elevated); border: 1px solid var(--border-strong); border-radius: 14px; width: 90%; max-width: 540px; padding: 22px; box-shadow: 0 24px 48px rgba(0,0,0,.5); max-height: 85vh; overflow: auto; }
.modal h2 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.modal p { font-size: 12.5px; color: var(--text-2); margin-bottom: 14px; line-height: 1.5; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }

@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .content { padding: 16px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .channels-grid { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
}