:root {
  --bg-deep: #070609;
  --bg-primary: #0e0c10;
  --bg-card: #141219;
  --bg-elevated: #1a1721;
  --bg-input: rgba(7, 6, 9, 0.7);
  --primary: #0d9488;
  --primary-hover: #0f766e;
  --primary-glow: rgba(13, 148, 136, 0.35);
  --primary-dim: rgba(13, 148, 136, 0.12);
  --accent: #d97706;
  --accent-dim: rgba(217, 119, 6, 0.15);
  --gold: #f59e0b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(148, 163, 184, 0.12);
  --border-focus: rgba(13, 148, 136, 0.5);
  --success: #10b981;
  --success-dim: rgba(16, 185, 129, 0.15);
  --error: #f87171;
  --error-dim: rgba(248, 113, 113, 0.15);
  --radius: 0.5rem;
  --radius-lg: 1rem;
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --font: "Rajdhani", system-ui, sans-serif;
  --display: "Orbitron", sans-serif;
}

* { box-sizing: border-box; margin: 0; }
html, body { min-height: 100%; }
/* Author display rules must not override the HTML hidden attribute. */
[hidden] {
  display: none !important;
}
body {
  font-family: var(--font);
  font-size: 16px;
  color: var(--text-primary);
  background: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); }
a:hover { color: #2dd4bf; }

.highlight {
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ——— Login (scripter-matched) ——— */
.login-container {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  padding-left: max(1.5rem, env(safe-area-inset-left));
  padding-right: max(1.5rem, env(safe-area-inset-right));
  padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
  position: relative;
  overflow: hidden;
  background: var(--bg-deep);
}
.login-container::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 45% at 50% -15%, var(--primary-dim) 0%, transparent 55%),
    radial-gradient(ellipse 55% 35% at 100% 45%, var(--accent-dim) 0%, transparent 50%),
    radial-gradient(ellipse 45% 28% at 0% 75%, var(--primary-dim) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}
.login-container::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(13, 148, 136, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 148, 136, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}
.login-bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.3;
  animation: login-float 10s ease-in-out infinite;
  z-index: 0;
}
.login-bg-orb-1 {
  width: 320px;
  height: 320px;
  background: var(--primary-dim);
  top: 18%;
  left: 22%;
}
.login-bg-orb-2 {
  width: 240px;
  height: 240px;
  background: var(--accent-dim);
  bottom: 22%;
  right: 18%;
  animation-delay: -4s;
}
@keyframes login-float {
  0%, 100% { transform: translate(0) scale(1); }
  50% { transform: translate(15px, -12px) scale(1.04); }
}

.login-card {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 420px;
  padding: 2.5rem;
  background: linear-gradient(165deg, var(--bg-card) 0%, var(--bg-primary) 100%);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.03);
  animation: login-card-in 0.5s ease-out;
}
.login-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  border-radius: 1rem 1rem 0 0;
  opacity: 0.7;
}
@keyframes login-card-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}
.login-header img {
  width: 56px;
  height: 56px;
  margin-bottom: 1rem;
  border-radius: 12px;
  box-shadow: 0 0 16px var(--primary-glow);
}
.login-header h1 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}
.login-header p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.form-group label {
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

input, select,
.login-input,
.login-form .input {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  color: var(--text-primary);
  padding: 0.65rem 0.85rem;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 500;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.login-input::placeholder {
  color: var(--text-muted);
}
input:focus, select:focus,
.login-input:focus,
.login-form .input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-dim);
}

.login-button {
  width: 100%;
  padding: 0.9rem 1.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: var(--bg-deep);
  border: none;
  border-radius: 0.5rem;
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 24px var(--primary-glow);
}
.login-button:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 0 32px var(--primary-glow);
}
.login-button:disabled,
.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.login-otp-hint {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}
.alert-error {
  color: var(--error);
  font-size: 0.9rem;
  padding: 0.85rem 1rem;
  border-radius: 0.5rem;
  background: var(--error-dim);
  border: 1px solid rgba(248, 113, 113, 0.35);
}
.login-card-footer {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.login-card-footer--inline {
  margin-top: 0.35rem;
  margin-bottom: 0.25rem;
  text-align: right;
}
.login-card-footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}
.login-card-footer a:hover {
  color: var(--gold);
  text-decoration: underline;
}
.login-link-button {
  margin-top: 0.25rem;
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0;
  font-family: var(--font);
  width: 100%;
  text-align: center;
}
.login-link-button:hover {
  color: var(--gold);
}

.hint {
  color: var(--text-secondary);
  line-height: 1.45;
  font-weight: 500;
  font-size: 0.95rem;
}

/* ——— App shell ——— */
.app-shell {
  position: relative;
  min-height: 100vh;
}
.app-ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 70% 45% at 50% -15%, var(--primary-dim) 0%, transparent 55%),
    radial-gradient(ellipse 50% 35% at 100% 40%, var(--accent-dim) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-deep), var(--bg-primary));
}
.app-ambient::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(13, 148, 136, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 148, 136, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.7;
}

.app-topbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background: rgba(14, 12, 16, 0.85);
  backdrop-filter: blur(12px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.brand img {
  border-radius: 10px;
  box-shadow: 0 0 14px var(--primary-glow);
}
.brand-kicker {
  font-family: var(--display);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.15rem;
}
.brand h1 {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.session-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.session-user {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-main {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}
.app-main > .lede {
  color: var(--text-secondary);
  margin-bottom: 1.15rem;
  font-weight: 500;
  font-size: 1.05rem;
}

.panel-head {
  margin-bottom: 1rem;
}
.panel-head h2 {
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
}

.tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 0 0 1.25rem;
  padding: 0.35rem;
  background: rgba(20, 18, 25, 0.7);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  width: fit-content;
  max-width: 100%;
}
.tab {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  cursor: pointer;
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background 0.15s, color 0.15s;
}
.tab:hover { color: var(--text-primary); }
.tab.active {
  color: var(--bg-deep);
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  box-shadow: 0 0 16px var(--primary-glow);
}

.panel { display: none; }
.panel.active { display: block; animation: panel-in 0.35s ease-out; }
@keyframes panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.card {
  position: relative;
  background: linear-gradient(165deg, var(--bg-card) 0%, var(--bg-primary) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  display: grid;
  gap: 0.65rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1rem;
  right: 1rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0.55;
}
.card h3 {
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.badge {
  display: inline-block;
  font-family: var(--display);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}
.badge.ok {
  color: var(--success);
  border-color: rgba(16, 185, 129, 0.4);
  background: var(--success-dim);
}
.badge.bad {
  color: var(--error);
  border-color: rgba(248, 113, 113, 0.4);
  background: var(--error-dim);
}

.toolbar {
  display: flex;
  gap: 0.6rem;
  margin: 0.5rem 0 1rem;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-radius: var(--radius);
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-family: var(--display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.btn:hover {
  border-color: var(--border-focus);
  background: var(--bg-card);
}
.btn.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  border: none;
  color: var(--bg-deep);
  box-shadow: 0 0 18px var(--primary-glow);
}
.btn.primary:hover { box-shadow: 0 0 26px var(--primary-glow); }
.btn.ghost {
  background: transparent;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: rgba(20, 18, 25, 0.75);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  font-weight: 500;
}
th, td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
  vertical-align: middle;
}
th {
  font-family: var(--display);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  background: rgba(7, 6, 9, 0.45);
}
td input, td select {
  min-width: 90px;
  padding: 0.45rem 0.55rem;
  font-size: 0.9rem;
}

.flash {
  margin: 0 0 1rem;
  padding: 0.75rem 0.95rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  background: var(--primary-dim);
  color: var(--text-primary);
  font-weight: 500;
}
.flash.err {
  background: var(--error-dim);
  border-color: rgba(248, 113, 113, 0.35);
  color: #fecaca;
}

.card label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.card label input[type="checkbox"] {
  width: auto;
  accent-color: var(--primary);
}
.card label input:not([type="checkbox"]) {
  margin-top: 0.25rem;
}

code {
  font-size: 0.85em;
  color: #5eead4;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (max-width: 640px) {
  .login-card { padding: 1.75rem 1.25rem; }
  .login-header h1 { font-size: 1.45rem; }
  .login-input { font-size: 16px; }
  .tabs { border-radius: 14px; width: 100%; }
  .app-topbar { padding: 0.85rem 1rem; }
  .brand h1 { font-size: 1rem; }
}