/* ── TOKENS ──────────────────────────────────────────────── */
:root {
  --bg:            #f5f4f0;
  --paper:         #ffffff;
  --paper-warm:    #fafaf8;
  --border:        #dddbd5;
  --border-strong: #b8b4ab;
  --text:          #1a1a18;
  --text-muted:    #5a5850;
  --text-dim:      #9a9690;
  --green:         #1a5c35;
  --green-mid:     #2d7a4f;
  --green-light:   #eef5f1;
  --green-border:  #b0cfc0;
  --amber:         #7a4f00;
  --amber-light:   #fdf8ee;
  --amber-border:  #dfc98a;
  --red:           #8b1a1a;
  --red-light:     #fdf2f2;
  --red-border:    #e0b0b0;
  --blue:          #1a3a5c;
  --blue-light:    #eef2f8;
  --blue-border:   #b0c0d4;
  --mono:          'Courier New', Courier, monospace;
  --serif:         Georgia, 'Times New Roman', serif;
  --sans:          'Helvetica Neue', Helvetica, Arial, sans-serif;
  --sidebar-w:     240px;
  --header-h:      56px;
  --radius:        3px;
  --shadow:        0 1px 4px rgba(0,0,0,0.08);
  --shadow-md:     0 2px 12px rgba(0,0,0,0.10);
}

/* ── RESET ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; -webkit-font-smoothing: antialiased; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ── AUTH LAYOUT ─────────────────────────────────────────── */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--paper);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 40px 36px;
}
.auth-brand {
  text-align: center;
  margin-bottom: 32px;
}
.auth-brand-name {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text);
}
.auth-brand-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.auth-title {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: normal;
  color: var(--text);
  margin-bottom: 6px;
}
.auth-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.auth-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 28px 0;
}
.auth-footer {
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 24px;
}

/* ── FORM ELEMENTS ───────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.form-input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--text);
  font-size: 14px;
  transition: border-color 0.15s;
  outline: none;
}
.form-input:focus { border-color: var(--green); }
.form-input::placeholder { color: var(--text-dim); }
.form-hint {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
}
.form-error {
  font-size: 11px;
  color: var(--red);
  margin-top: 4px;
  display: none;
}
.form-error.visible { display: block; }

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--green);
  color: #fff;
  width: 100%;
}
.btn-primary:hover { background: var(--green-mid); }
.btn-secondary {
  background: var(--paper);
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-secondary:hover { background: var(--bg); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-danger { background: var(--red); color: #fff; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── APP SHELL ───────────────────────────────────────────── */
.app { display: none; min-height: 100vh; }
.app.active { display: flex; }

/* ── SIDEBAR ─────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--paper);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
}
.sidebar-brand {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-brand-name {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text);
}
.sidebar-brand-badge {
  display: inline-block;
  font-size: 9px;
  font-family: var(--mono);
  background: var(--green-light);
  color: var(--green);
  border: 1px solid var(--green-border);
  padding: 1px 5px;
  border-radius: 2px;
  margin-left: 6px;
  vertical-align: middle;
  letter-spacing: 1px;
}
.sidebar-client {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
}
.sidebar-client-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-client-tier {
  font-size: 10px;
  font-family: var(--mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 2px;
}
.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}
.nav-section {
  padding: 6px 20px 2px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
  border-left: 2px solid transparent;
}
.nav-item:hover { background: var(--bg); color: var(--text); }
.nav-item.active {
  background: var(--green-light);
  color: var(--green);
  border-left-color: var(--green);
  font-weight: 600;
}
.nav-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.7;
}
.nav-item.active .nav-icon { opacity: 1; }
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}
.sidebar-quota {
  margin-bottom: 12px;
}
.sidebar-quota-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  font-family: var(--mono);
  margin-bottom: 4px;
}
.sidebar-quota-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 3px;
}
.sidebar-quota-fill {
  height: 100%;
  background: var(--green);
  border-radius: 2px;
  transition: width 0.3s;
}
.sidebar-quota-fill.low { background: var(--amber); }
.sidebar-quota-fill.critical { background: var(--red); }
.sidebar-quota-nums {
  font-size: 10px;
  font-family: var(--mono);
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

/* ── MAIN CONTENT ────────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.topbar {
  height: var(--header-h);
  background: var(--paper);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-title {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: normal;
  color: var(--text);
}
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.topbar-date {
  font-size: 11px;
  font-family: var(--mono);
  color: var(--text-dim);
}
.content { padding: 28px; flex: 1; }

/* ── PAGES ───────────────────────────────────────────────── */
.page { display: none; }
.page.active { display: block; }

/* ── STAT CARDS ──────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--paper);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: var(--radius);
}
.stat-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  font-family: var(--mono);
  margin-bottom: 8px;
}
.stat-value {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-value.green { color: var(--green); }
.stat-value.amber { color: var(--amber); }
.stat-value.red   { color: var(--red); }
.stat-sub {
  font-size: 11px;
  color: var(--text-muted);
}

/* ── SECTION BLOCKS ──────────────────────────────────────── */
.section {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.section-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-family: var(--mono);
}
.section-body { padding: 20px; }

/* ── API KEY DISPLAY ─────────────────────────────────────── */
.apikey-box {
  background: var(--paper-warm);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  padding: 14px 16px;
  border-radius: var(--radius);
}
.apikey-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  font-family: var(--mono);
  margin-bottom: 6px;
}
.apikey-value {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--amber);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.apikey-masked { flex: 1; }
.apikey-warning {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
  font-style: italic;
}

/* ── TABLE ───────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; }
.data-table th {
  padding: 8px 14px;
  text-align: left;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  font-family: var(--mono);
  border-bottom: 1px solid var(--border);
  background: var(--paper-warm);
  white-space: nowrap;
}
.data-table td {
  padding: 10px 14px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr {
  cursor: pointer;
  transition: background 0.1s;
}
.data-table tbody tr:hover { background: var(--bg); }
.data-table .mono { font-family: var(--mono); font-size: 12px; }

/* ── BADGES ──────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: 2px;
  font-size: 10px;
  font-weight: 700;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.badge-green  { background: var(--green-light);  color: var(--green);  border: 1px solid var(--green-border); }
.badge-amber  { background: var(--amber-light);  color: var(--amber);  border: 1px solid var(--amber-border); }
.badge-red    { background: var(--red-light);    color: var(--red);    border: 1px solid var(--red-border); }
.badge-blue   { background: var(--blue-light);   color: var(--blue);   border: 1px solid var(--blue-border); }
.badge-muted  { background: var(--bg);           color: var(--text-muted); border: 1px solid var(--border); }

/* ── FILTERS ─────────────────────────────────────────────── */
.filters {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.filter-input {
  padding: 6px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  font-size: 12px;
  background: var(--paper);
  color: var(--text);
  outline: none;
}
.filter-input:focus { border-color: var(--green); }

/* ── DETAIL PANEL ────────────────────────────────────────── */
.detail-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26,26,24,0.3);
  z-index: 200;
  justify-content: flex-end;
}
.detail-overlay.active { display: flex; }
.detail-panel {
  width: 420px;
  max-width: 100vw;
  height: 100vh;
  background: var(--paper);
  border-left: 1px solid var(--border-strong);
  box-shadow: -4px 0 24px rgba(0,0,0,0.12);
  display: flex;
  flex-direction: column;
  animation: slideIn 0.2s ease;
}
@keyframes slideIn {
  from { transform: translateX(40px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}
.detail-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.detail-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-family: var(--mono);
}
.detail-close {
  background: none;
  border: none;
  padding: 4px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}
.detail-close:hover { color: var(--text); }
.detail-body { flex: 1; overflow-y: auto; padding: 20px; }
.detail-row {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.detail-row:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.detail-row-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  font-family: var(--mono);
  margin-bottom: 4px;
}
.detail-row-value {
  font-size: 13px;
  color: var(--text);
  word-break: break-all;
}
.detail-row-value.mono { font-family: var(--mono); font-size: 12px; }
.hash-eyeball {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--green);
  letter-spacing: 0.5px;
}
.hash-full {
  display: none;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--green);
  letter-spacing: 0.3px;
  line-height: 1.8;
  word-break: break-all;
  background: var(--green-light);
  border: 1px solid var(--green-border);
  padding: 10px 12px;
  margin-top: 6px;
  cursor: text;
  user-select: all;
}
.hash-full.visible { display: block; }
.hash-toggle {
  background: none;
  border: 1px solid var(--border);
  padding: 2px 8px;
  font-size: 10px;
  font-family: var(--mono);
  color: var(--text-muted);
  border-radius: 2px;
  cursor: pointer;
  margin-top: 4px;
}
.hash-toggle:hover { border-color: var(--green); color: var(--green); }
.detail-actions {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
}

/* ── BILLING ─────────────────────────────────────────────── */
.quota-tiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 4px;
}
.tier-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  position: relative;
}
.tier-card:hover { border-color: var(--green); background: var(--green-light); }
.tier-card.selected {
  border-color: var(--green);
  border-width: 2px;
  background: var(--green-light);
}
.tier-name {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-family: var(--mono);
  margin-bottom: 8px;
}
.tier-quota {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  margin-bottom: 2px;
}
.tier-quota-label { font-size: 11px; color: var(--text-muted); margin-bottom: 10px; }
.tier-price {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 2px;
}
.tier-per { font-size: 10px; color: var(--text-dim); }
.tier-ttl {
  margin-top: 8px;
  font-size: 10px;
  color: var(--text-dim);
  font-family: var(--mono);
  border-top: 1px solid var(--border);
  padding-top: 8px;
}

/* ── PROFILE ─────────────────────────────────────────────── */
.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.profile-field { }
.profile-field-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  font-family: var(--mono);
  margin-bottom: 3px;
}
.profile-field-value {
  font-size: 13px;
  color: var(--text);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

/* ── EMPTY STATE ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}
.empty-state-icon {
  font-size: 32px;
  margin-bottom: 12px;
  opacity: 0.4;
}
.empty-state-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.empty-state-sub   { font-size: 12px; }

/* ── ALERT BARS ──────────────────────────────────────────── */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 12px;
  margin-bottom: 16px;
  border-left-width: 3px;
  border-left-style: solid;
}
.alert-warning {
  background: var(--amber-light);
  border-color: var(--amber);
  color: var(--amber);
  border: 1px solid var(--amber-border);
  border-left: 3px solid var(--amber);
}
.alert-error {
  background: var(--red-light);
  border-color: var(--red);
  color: var(--red);
  border: 1px solid var(--red-border);
  border-left: 3px solid var(--red);
}

/* ── PAGINATION ──────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}
.pagination-btns { display: flex; gap: 4px; }
.page-btn {
  padding: 4px 10px;
  border: 1px solid var(--border);
  background: var(--paper);
  border-radius: 2px;
  font-size: 12px;
  cursor: pointer;
  color: var(--text-muted);
}
.page-btn:hover   { border-color: var(--green); color: var(--green); }
.page-btn.active  { background: var(--green); color: #fff; border-color: var(--green); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── TOAST ───────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--text);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 12px;
  font-family: var(--mono);
  box-shadow: var(--shadow-md);
  animation: toastIn 0.2s ease;
  max-width: 320px;
}
.toast.success { background: var(--green); }
.toast.error   { background: var(--red); }
@keyframes toastIn {
  from { transform: translateY(10px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ── UTILS ───────────────────────────────────────────────── */
.hidden { display: none !important; }
.text-muted  { color: var(--text-muted); }
.text-mono   { font-family: var(--mono); }
.text-sm     { font-size: 12px; }
.text-xs     { font-size: 11px; }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.flex  { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; }