/* ============================================================
   Huawei ICT Accountability Partner System — Global Styles
   Theme: Huawei Red (#CF0A2C) + Dark (#1A1A1A) + White
   ============================================================ */

:root {
  --red: #CF0A2C;
  --red-dark: #A00820;
  --red-light: #ff1a3d;
  --black: #0D0D0D;
  --dark: #1A1A1A;
  --dark-2: #2A2A2A;
  --dark-3: #3A3A3A;
  --text: #F0F0F0;
  --text-muted: #9A9A9A;
  --border: rgba(255,255,255,0.08);
  --radius: 12px;
  --shadow: 0 4px 32px rgba(0,0,0,0.5);
  --glow: 0 0 24px rgba(207,10,44,0.25);
  --font: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html { font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--black);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- Background grid pattern ---- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(207,10,44,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(207,10,44,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* ---- Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,13,13,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--red);
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 18px;
  color: #fff;
  letter-spacing: -1px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.logo-text span {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 14px;
  border-radius: 6px;
  transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: var(--dark-2);
}

.nav-links a.active {
  color: var(--red-light);
}

/* ---- Main layout ---- */
.main {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.main.wide {
  max-width: 1000px;
}

/* ---- Page hero ---- */
.page-hero {
  text-align: center;
  margin-bottom: 48px;
}

.page-hero .eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--red);
  background: rgba(207,10,44,0.1);
  border: 1px solid rgba(207,10,44,0.25);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.page-hero h1 {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  color: var(--text);
  margin-bottom: 12px;
}

.page-hero h1 span {
  color: var(--red);
}

.page-hero p {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 480px;
  margin: 0 auto;
}

/* ---- Cards ---- */
.card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.card + .card {
  margin-top: 20px;
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title::before {
  content: '';
  width: 3px;
  height: 14px;
  background: var(--red);
  border-radius: 2px;
  flex-shrink: 0;
}

/* ---- Form elements ---- */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group select {
  width: 100%;
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  font-family: var(--font);
  padding: 12px 16px;
  outline: none;
  transition: all 0.2s;
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239A9A9A' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  cursor: pointer;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(207,10,44,0.15);
}

.form-group select option {
  background: var(--dark-2);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  user-select: none;
}

.btn-primary {
  background: var(--red);
  color: #fff;
  width: 100%;
}

.btn-primary:hover {
  background: var(--red-dark);
  box-shadow: var(--glow);
  transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(0); }

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--dark-2);
  color: var(--text);
  border: 1px solid var(--border);
  width: 100%;
}

.btn-secondary:hover {
  background: var(--dark-3);
  border-color: rgba(255,255,255,0.15);
}

.btn-danger {
  background: var(--red);
  color: #fff;
}

.btn-danger:hover {
  background: var(--red-dark);
}

/* ---- Number badge ---- */
.number-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 32px;
  text-align: center;
  background: radial-gradient(ellipse at center, rgba(207,10,44,0.12) 0%, transparent 70%);
  border: 2px solid rgba(207,10,44,0.3);
  border-radius: var(--radius);
  animation: fadeIn 0.4s ease;
}

.number-badge .num {
  font-size: 80px;
  font-weight: 900;
  color: var(--red);
  line-height: 1;
  letter-spacing: -4px;
  text-shadow: 0 0 40px rgba(207,10,44,0.5);
}

.number-badge .label {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.number-badge .user-name {
  font-size: 20px;
  font-weight: 700;
}

/* ---- Track pills ---- */
.track-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 100px;
  text-transform: uppercase;
}

.track-Cloud { background: rgba(59,130,246,0.15); color: #60A5FA; border: 1px solid rgba(59,130,246,0.25); }
.track-Network { background: rgba(16,185,129,0.15); color: #34D399; border: 1px solid rgba(16,185,129,0.25); }
.track-Computing { background: rgba(245,158,11,0.15); color: #FBBF24; border: 1px solid rgba(245,158,11,0.25); }
.track-AI { background: rgba(139,92,246,0.15); color: #A78BFA; border: 1px solid rgba(139,92,246,0.25); }

/* ---- Partner card ---- */
.partner-reveal {
  animation: revealSlide 0.5s cubic-bezier(0.16,1,0.3,1);
}

@keyframes revealSlide {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.partner-info {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background: var(--dark-2);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.partner-avatar {
  width: 56px;
  height: 56px;
  background: var(--red);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.partner-details .partner-name {
  font-size: 20px;
  font-weight: 700;
}

.partner-details .partner-num {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.connector-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
  color: var(--text-muted);
  font-size: 12px;
}

.connector-line::before,
.connector-line::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---- Alert / status messages ---- */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: fadeIn 0.25s ease;
}

.alert-error {
  background: rgba(207,10,44,0.12);
  border: 1px solid rgba(207,10,44,0.3);
  color: #ff7a93;
}

.alert-success {
  background: rgba(16,185,129,0.12);
  border: 1px solid rgba(16,185,129,0.3);
  color: #34d399;
}

.alert-info {
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.25);
  color: #60A5FA;
}

/* ---- Admin table ---- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,0.025); }

.table-scroll {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* ---- Track section header ---- */
.track-section {
  margin-bottom: 32px;
}

.track-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

/* ---- Stats row ---- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

.stat-card .stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--red);
  display: block;
}

.stat-card .stat-label {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ---- Spinner ---- */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ---- Password gate ---- */
.password-gate {
  max-width: 400px;
  margin: 0 auto;
}

/* ---- Shuffle animation ---- */
.shuffle-btn-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
}

.shuffle-warning {
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 13px;
  color: #FBBF24;
  margin-bottom: 16px;
}

/* ---- Footer ---- */
.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 24px;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.site-footer strong { color: var(--red); }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .site-header { padding: 0 16px; }
  .header-inner { height: 60px; }
  .logo-text span { display: none; } /* shorten logo text on tablet/mobile */
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .header-inner { height: 56px; }
  .logo-mark { width: 32px; height: 32px; font-size: 16px; }
  .logo-text strong { font-size: 14px; }
  .nav-links a { font-size: 12px; padding: 6px 8px; }

  .main { padding: 24px 12px 60px; }
  .page-hero { margin-bottom: 28px; }
  .page-hero h1 { font-size: 26px; }
  .page-hero p { font-size: 14px; }

  .card { padding: 18px 14px; border-radius: 10px; }
  .card + .card { margin-top: 14px; }

  .number-badge { padding: 20px 12px; }
  .number-badge .num { font-size: 52px; }
  .number-badge .user-name { font-size: 18px; word-break: break-word; }

  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 16px; }
  .stat-card { padding: 12px 8px; }
  .stat-card .stat-num { font-size: 22px; }
  .stat-card .stat-label { font-size: 10px; }

  .partner-info { padding: 14px; gap: 12px; }
  .partner-avatar { width: 44px; height: 44px; font-size: 17px; }
  .partner-details .partner-name { font-size: 16px; word-break: break-word; }
  .partner-details .partner-num { font-size: 12px; }

  .form-group input,
  .form-group select {
    font-size: 16px; /* Prevents auto-zoom on iOS safari */
    padding: 10px 14px;
  }

  .btn { padding: 12px 20px; font-size: 14px; width: 100%; }

  .data-table th, .data-table td { padding: 10px 12px; font-size: 13px; }
}

@media (max-width: 380px) {
  .stats-row { grid-template-columns: 1fr; }
  .nav-links { gap: 2px; }
  .nav-links a { padding: 4px 6px; font-size: 11px; }
}