/* ============================================================
   Pinnacle Organizations — shared dark/silver theme
   Used by index.html, login.html, signup.html, pending.html,
   admin.html. The calculator keeps its own embedded styles.
   ============================================================ */

:root {
  --bg-0: #000000;
  --bg-1: #0a0a0a;
  --bg-2: #121212;
  --bg-3: #1a1a1a;
  --bg-4: #232323;
  --line: #2a2a2a;
  --line-2: #3a3a3a;
  --silver-1: #e8e8e8;
  --silver-2: #b8b8b8;
  --silver-3: #888888;
  --silver-4: #555555;
  --text: #ededed;
  --text-dim: #a0a0a0;
  --text-muted: #6b6b6b;
  --good: #4ade80;
  --bad:  #f87171;
  --warn: #fbbf24;
  --shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.04);
  --shadow-sm: 0 4px 18px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04);
  --radius: 14px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(ellipse at top, #1a1a1a 0%, #000000 55%) fixed,
    var(--bg-0);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--silver-1); text-decoration: none; }
a:hover { color: #fff; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb { background: var(--bg-4); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--silver-4); }

/* ===================== AUTH-STYLE CENTERED CARD ===================== */
.center-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
}
.center-screen::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(180,180,180,0.06), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(200,200,200,0.04), transparent 45%);
  pointer-events: none;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 44px 36px 36px;
  box-shadow: var(--shadow);
  position: relative;
  z-index: 1;
}

/* ===================== BRAND LOGO BLOCK ===================== */
.auth-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 28px;
}
.auth-logo .star-block {
  width: 88px;
  height: 88px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.auth-logo .brand-name {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: 0.4em;
  font-size: 18px;
  color: var(--silver-1);
}
.auth-logo .brand-tag {
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--silver-4);
  text-transform: uppercase;
}

/* ===================== TABS ===================== */
.auth-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-3);
  padding: 4px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
}
.auth-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
  background: transparent;
  border: none;
  text-decoration: none;
}
.auth-tab.active {
  background: var(--bg-1);
  color: var(--silver-1);
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

/* ===================== FORM CONTROLS ===================== */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.form-input {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 15px;
  transition: border-color 0.2s, background 0.2s;
}
.form-input:focus {
  outline: none;
  border-color: var(--silver-3);
  background: var(--bg-2);
}
.form-input.error { border-color: var(--bad); }
.form-help {
  margin-top: 6px;
  font-size: 11.5px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid var(--silver-3);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, var(--silver-1) 0%, var(--silver-2) 100%);
  color: #000;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: transform 0.15s, box-shadow 0.2s, opacity 0.2s;
  text-transform: uppercase;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(232,232,232,0.15); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-block { width: 100%; padding: 14px; }
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--line-2);
}
.btn-ghost:hover { color: var(--silver-1); border-color: var(--silver-3); }
.btn-danger {
  background: transparent;
  color: var(--bad);
  border: 1px solid rgba(248,113,113,0.4);
}
.btn-danger:hover { background: rgba(248,113,113,0.08); }
.btn-sm { padding: 8px 14px; font-size: 12px; }

/* ===================== ALERTS ===================== */
.alert {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 12px;
  display: none;
}
.alert.show { display: block; }
.alert-error  { background: rgba(248,113,113,0.08); border: 1px solid rgba(248,113,113,0.3); color: var(--bad); }
.alert-good   { background: rgba(74,222,128,0.08);  border: 1px solid rgba(74,222,128,0.3);  color: var(--good); }
.alert-info   { background: rgba(232,232,232,0.04); border: 1px solid var(--line-2);          color: var(--silver-2); }

.foot {
  margin-top: 18px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}
.foot a { color: var(--silver-2); text-decoration: underline; }
.foot a:hover { color: var(--silver-1); }

/* ===================== TOP BAR (admin/landing) ===================== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-left  { display: flex; align-items: center; gap: 14px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.topbar-logo svg { width: 32px; height: 32px; }
.topbar-brand {
  font-weight: 700;
  letter-spacing: 0.32em;
  font-size: 14px;
  color: var(--silver-1);
}
.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--silver-2);
}
.user-chip .avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--silver-2), var(--silver-4));
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 11px;
}

/* ===================== GENERIC PAGE/CARD ===================== */
.page-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px 56px;
}
.page-title {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 32px;
  margin: 0 0 6px;
  color: var(--silver-1);
  letter-spacing: -0.01em;
}
.page-sub {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0 0 28px;
}
.card {
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 22px;
}
.card-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--silver-2);
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* ===================== TABLE ===================== */
.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.tbl th, .tbl td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.tbl th {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
}
.tbl td { color: var(--text); }
.tbl tr:last-child td { border-bottom: none; }
.tbl .actions { display: flex; gap: 6px; }
.empty {
  padding: 28px 12px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}
.badge-pending  { background: rgba(251,191,36,0.12);  border: 1px solid rgba(251,191,36,0.35);  color: var(--warn); }
.badge-approved { background: rgba(74,222,128,0.10);  border: 1px solid rgba(74,222,128,0.30);  color: var(--good); }
.badge-rejected { background: rgba(248,113,113,0.10); border: 1px solid rgba(248,113,113,0.30); color: var(--bad);  }
.badge-admin    { background: rgba(232,232,232,0.06); border: 1px solid var(--line-2);          color: var(--silver-1); }

/* ===================== LANDING ===================== */
.hero {
  text-align: center;
  padding: 96px 24px 64px;
}
.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: 56px;
  margin: 0 0 16px;
  color: var(--silver-1);
  letter-spacing: -0.02em;
}
.hero p {
  font-size: 17px;
  color: var(--text-dim);
  max-width: 540px;
  margin: 0 auto 32px;
}
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* small util */
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.row-flex { display: flex; gap: 10px; align-items: center; }
.row-flex.between { justify-content: space-between; }
.small { font-size: 12.5px; color: var(--text-dim); }
.code-chip {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  background: var(--bg-3);
  border: 1px solid var(--line-2);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 12.5px;
  color: var(--silver-1);
}