/* Operator portal — fully self-contained dark theme. Designed to look
   identical to the admin panel's GitHub-dark palette without depending
   on /css/style.css. Five pages share this file: login, change-password,
   setup-2fa, dashboard, phone. */

/* ── Theme tokens ─────────────────────────────────────────────────────── */
:root {
  --bg:           #0e1116;
  --bg-elev:      #161b22;
  --bg-elev-2:    #1c2230;
  --border:       #2a3140;
  --border-strong:#3a4253;
  --text:         #e6edf3;
  --text-dim:     #9aa5b1;
  --text-muted:   #6b7785;
  --accent:       #2f81f7;
  --accent-hover: #4f98ff;
  --green:        #3fb950;
  --yellow:       #d29922;
  --red:          #f85149;
  --orange:       #db6d28;
  --radius:       8px;
  --radius-lg:    12px;
  --font:         -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono:    ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --shadow-lg:    0 16px 48px rgba(0,0,0,0.5), 0 4px 8px rgba(0,0,0,0.3);
  --shadow:       0 4px 12px rgba(0,0,0,0.35);
}

/* ── Base / reset ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body { background: radial-gradient(ellipse at top, #1a2030 0%, var(--bg) 60%) fixed; }

a, a:visited { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

h1, h2, h3 { font-weight: 600; color: var(--text); margin: 0; }
h1 { font-size: 22px; }
h2 { font-size: 16px; color: var(--text-dim); }
code { font-family: var(--font-mono); font-size: 0.9em; }

/* ── Inputs / buttons (global, page-agnostic) ───────────────────────── */
input, select, textarea {
  width: 100%;
  padding: 10px 13px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
input::placeholder { color: var(--text-muted); }
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(47,129,247,0.18);
  background: var(--bg-elev-2);
}
input[disabled], select[disabled], textarea[disabled] { opacity: 0.55; cursor: not-allowed; }
input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; }

button, .op-btn {
  display: inline-block;
  padding: 10px 18px;
  background: var(--bg-elev-2);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
  user-select: none;
  white-space: nowrap;
}
button:hover:not(:disabled), .op-btn:hover:not(:disabled) {
  background: var(--bg-elev);
  border-color: var(--accent);
}
button:active:not(:disabled), .op-btn:active:not(:disabled) { transform: translateY(1px); }
button:disabled, .op-btn:disabled { opacity: 0.5; cursor: not-allowed; }
button.primary, .op-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
button.primary:hover:not(:disabled), .op-btn.primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
button.danger, .op-btn.danger { color: var(--red); border-color: rgba(248,81,73,0.4); }
button.danger:hover, .op-btn.danger:hover { background: rgba(248,81,73,0.12); border-color: var(--red); }

/* ── Layout shells ───────────────────────────────────────────────────── */
.op-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.op-header {
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
}
.op-header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 15px;
}
.op-header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
}
.op-header-user { color: var(--text-dim); font-weight: 500; }
.op-header .pill {
  font-size: 11px;
  padding: 2px 9px;
  border-radius: 999px;
  border: 1px solid;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}
.op-header button, .op-header .op-btn {
  padding: 6px 12px;
  font-size: 12px;
}

.op-main {
  flex: 1;
  width: 100%;
  max-width: 1120px;
  padding: 28px 24px 48px;
  margin: 0 auto;
}

/* ── Cards ───────────────────────────────────────────────────────────── */
.op-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.op-card-narrow {
  max-width: 440px;
  margin: min(10vh, 80px) auto 40px;
  padding: 36px;
  box-shadow: var(--shadow-lg);
}
.op-card h1 + p { margin-top: 4px; color: var(--text-dim); }

/* ── Form groups ─────────────────────────────────────────────────────── */
.op-form-group { margin-bottom: 18px; }
.op-form-group label {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 7px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.op-form-group label .label-aux {
  text-transform: none;
  letter-spacing: 0;
  font-weight: normal;
  color: var(--text-muted);
  margin-left: 6px;
}
.op-form-group small { display: block; margin-top: 6px; color: var(--text-muted); font-size: 12px; }

.op-btn-full { width: 100%; padding: 12px; font-size: 15px; margin-top: 6px; }

/* ── Banners (error / info) ─────────────────────────────────────────── */
.op-error, .op-info {
  border-radius: var(--radius);
  padding: 11px 14px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
  line-height: 1.45;
}
.op-error.show, .op-info.show { display: block; }
.op-error { background: rgba(248,81,73,0.13); border: 1px solid rgba(248,81,73,0.45); color: var(--red); }
.op-info  { background: rgba(63,185,80,0.13); border: 1px solid rgba(63,185,80,0.4); color: var(--green); }

/* ── Phone grid (dashboard) ─────────────────────────────────────────── */
.op-filters {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}
.op-filters input,
.op-filters select { width: auto; max-width: 240px; min-width: 160px; padding: 8px 12px; font-size: 13px; }
.op-filters button { padding: 8px 14px; font-size: 13px; }

.op-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 14px;
}

.op-phone-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
  box-shadow: var(--shadow);
}
.op-phone-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}
.op-phone-card .ph-title { font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.op-phone-card .ph-meta { font-size: 12px; color: var(--text-muted); font-family: var(--font-mono); }
.op-phone-card .ph-status { margin-top: 10px; font-size: 12px; color: var(--text-dim); }
.op-phone-card .ph-tags { margin-top: 10px; display: flex; gap: 5px; flex-wrap: wrap; }
.ph-tag {
  font-size: 11px;
  padding: 2px 8px;
  background: rgba(63,185,80,0.12);
  color: var(--green);
  border: 1px solid rgba(63,185,80,0.3);
  border-radius: 999px;
  font-weight: 500;
}

/* ── Empty / loading states ─────────────────────────────────────────── */
.op-empty {
  text-align: center;
  padding: 56px 16px;
  color: var(--text-dim);
  background: var(--bg-elev);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
}
.op-empty-icon { font-size: 56px; margin-bottom: 14px; opacity: 0.6; }

/* ── Credentials view (phone page) ──────────────────────────────────── */
.op-cred-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
}
.op-cred-row .cred-key {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
  min-width: 160px;
  flex-shrink: 0;
}
.op-cred-row .cred-value {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 13px;
  word-break: break-all;
  user-select: all;
}
.op-cred-row .cred-masked {
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}
.op-cred-row .cred-masked:hover { color: var(--accent); }

/* ── 2FA QR + recovery grid ─────────────────────────────────────────── */
.op-qr {
  display: block;
  margin: 16px auto;
  width: 200px;
  height: 200px;
  border: 6px solid #fff;
  border-radius: var(--radius);
  background: #fff;
}
.op-recovery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 14px 0;
}
.op-recovery-grid code {
  padding: 9px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  user-select: all;
}

/* ── Misc utilities ─────────────────────────────────────────────────── */
hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 18px 0;
}

/* responsive tweaks for small phones */
@media (max-width: 520px) {
  .op-card-narrow { margin: 24px 12px; padding: 24px 20px; }
  .op-main { padding: 18px 14px 32px; }
  .op-header { padding: 12px 16px; }
  .op-filters input, .op-filters select { max-width: none; width: 100%; }
}