/* =============================================
   TypeSay Affiliate Portal — Portal Styles
   Extends the main TypeSay design system.
   ============================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: #f4f4f7; color: #52525b; line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

:root {
  --color-bg: #f4f4f7;
  --color-surface: #ffffff;
  --color-border: rgba(0,0,0,0.08);
  --color-border-hover: rgba(99,102,241,0.4);
  --color-indigo: #6366f1;
  --color-indigo-light: #818cf8;
  --color-indigo-dark: #4f46e5;
  --color-indigo-glow: rgba(99,102,241,0.10);
  --color-indigo-subtle: rgba(99,102,241,0.06);
  --color-heading: #111113;
  --color-body: #52525b;
  --color-body-light: #71717a;
  --color-muted: #a1a1aa;
  --color-green: #22c55e;
  --color-green-subtle: rgba(34,197,94,0.08);
  --color-red: #ef4444;
  --color-amber: #f59e0b;
  --color-amber-subtle: rgba(245,158,11,0.08);
  --sidebar-width: 260px;
  --topbar-height: 64px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* --- Portal Layout --- */
.portal { display: flex; min-height: 100vh; }

.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: var(--sidebar-width); background: #0f0f14;
  display: flex; flex-direction: column;
  border-right: 1px solid rgba(255,255,255,0.06);
  z-index: 100; transition: transform 0.3s ease;
}
.sidebar__logo { padding: 24px 24px 32px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.sidebar__logo img { height: 26px; }
.sidebar__nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; overflow-y: auto; }
.sidebar__link {
  display: flex; align-items: center; gap: 12px; padding: 11px 16px;
  border-radius: var(--radius-sm); font-size: 0.875rem; font-weight: 500;
  color: rgba(255,255,255,0.55); transition: all var(--transition-fast);
}
.sidebar__link:hover { color: rgba(255,255,255,0.85); background: rgba(255,255,255,0.06); }
.sidebar__link.active { color: #fff; background: var(--color-indigo); box-shadow: 0 2px 12px rgba(99,102,241,0.3); }
.sidebar__link svg { width: 20px; height: 20px; flex-shrink: 0; opacity: 0.7; }
.sidebar__link.active svg { opacity: 1; }
.sidebar__divider { height: 1px; background: rgba(255,255,255,0.06); margin: 8px 16px; }
.sidebar__footer {
  padding: 16px 20px; border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center; gap: 12px;
}
.sidebar__avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-indigo), var(--color-indigo-dark));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 0.8125rem; flex-shrink: 0;
}
.sidebar__user-name { font-size: 0.8125rem; font-weight: 600; color: rgba(255,255,255,0.9); }
.sidebar__user-email { font-size: 0.6875rem; color: rgba(255,255,255,0.4); }

/* --- Main Content --- */
.portal__main {
  margin-left: var(--sidebar-width); flex: 1;
  min-height: 100vh; display: flex; flex-direction: column;
}
.topbar {
  height: var(--topbar-height); background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px; position: sticky; top: 0; z-index: 50;
}
.topbar__title { font-size: 1.125rem; font-weight: 700; color: var(--color-heading); }
.topbar__actions { display: flex; align-items: center; gap: 16px; }
.topbar__btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px;
  font-size: 0.8125rem; font-weight: 600; border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}
.topbar__btn--outline { color: var(--color-body-light); border: 1px solid var(--color-border); }
.topbar__btn--outline:hover { color: var(--color-heading); border-color: var(--color-heading); }

.portal__content { flex: 1; padding: 32px; }

/* --- Metric Cards --- */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 32px; }
.metric-card {
  background: var(--color-surface); border-radius: var(--radius-lg);
  padding: 24px; border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm); transition: all var(--transition-base);
}
.metric-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.metric-card__label { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-muted); margin-bottom: 8px; }
.metric-card__value { font-size: 1.75rem; font-weight: 800; color: var(--color-heading); letter-spacing: -0.02em; }
.metric-card__change { display: inline-flex; align-items: center; gap: 4px; font-size: 0.75rem; font-weight: 600; margin-top: 8px; padding: 3px 8px; border-radius: var(--radius-full); }
.metric-card__change--up { color: var(--color-green); background: var(--color-green-subtle); }
.metric-card__change--neutral { color: var(--color-amber); background: var(--color-amber-subtle); }

/* --- Panel / Card --- */
.panel {
  background: var(--color-surface); border-radius: var(--radius-lg);
  border: 1px solid var(--color-border); box-shadow: var(--shadow-sm);
  margin-bottom: 24px; overflow: hidden;
}
.panel__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--color-border);
}
.panel__title { font-size: 0.9375rem; font-weight: 700; color: var(--color-heading); }
.panel__body { padding: 24px; }
.panel__body--flush { padding: 0; }

/* --- Tables --- */
.data-table { width: 100%; border-collapse: collapse; }
.data-table thead { background: #fafafa; }
.data-table th {
  padding: 12px 20px; text-align: left; font-size: 0.6875rem; font-weight: 700;
  color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.08em;
  border-bottom: 1px solid var(--color-border);
}
.data-table td {
  padding: 14px 20px; font-size: 0.875rem; color: var(--color-body);
  border-bottom: 1px solid var(--color-border);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background var(--transition-fast); }
.data-table tbody tr:hover { background: #fafafc; }

/* --- Status Badges --- */
.badge {
  display: inline-flex; align-items: center; padding: 3px 10px;
  font-size: 0.6875rem; font-weight: 700; border-radius: var(--radius-full);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.badge--green { color: #16a34a; background: rgba(34,197,94,0.1); }
.badge--amber { color: #d97706; background: rgba(245,158,11,0.1); }
.badge--gray { color: #71717a; background: rgba(113,113,122,0.1); }
.badge--indigo { color: var(--color-indigo); background: var(--color-indigo-subtle); }

/* --- Affiliate Link Box --- */
.link-box {
  background: #fafafc; border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 16px 20px;
  display: flex; align-items: center; gap: 12px;
}
.link-box__url {
  flex: 1; font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.8125rem; color: var(--color-heading); word-break: break-all;
}
.link-box__copy {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px;
  background: var(--color-indigo); color: #fff; font-size: 0.75rem;
  font-weight: 700; border-radius: var(--radius-full); white-space: nowrap;
  transition: all var(--transition-fast); cursor: pointer;
}
.link-box__copy:hover { background: var(--color-indigo-dark); box-shadow: 0 2px 12px rgba(99,102,241,0.3); }
.link-box__copy.copied { background: var(--color-green); }

/* --- Matrix Tree --- */
.matrix-tree { padding: 40px 20px; overflow-x: auto; }
.tree-node {
  display: flex; flex-direction: column; align-items: center; position: relative;
}
.tree-node__card {
  background: var(--color-surface); border: 2px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 20px 24px; text-align: center;
  min-width: 180px; position: relative; z-index: 2;
  box-shadow: var(--shadow-sm); transition: all var(--transition-base);
}
.tree-node__card:hover { border-color: var(--color-border-hover); box-shadow: var(--shadow-md); }
.tree-node__card--you {
  border-color: var(--color-indigo); background: linear-gradient(135deg, rgba(99,102,241,0.04), rgba(99,102,241,0.01));
  box-shadow: 0 0 24px rgba(99,102,241,0.12);
}
.tree-node__avatar {
  width: 44px; height: 44px; border-radius: 50%; margin: 0 auto 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.875rem; color: #fff;
}
.tree-node__avatar--you { background: linear-gradient(135deg, var(--color-indigo), var(--color-indigo-dark)); }
.tree-node__avatar--l1 { background: linear-gradient(135deg, #22c55e, #16a34a); }
.tree-node__avatar--inactive { background: #d4d4d8; }
.tree-node__name { font-size: 0.875rem; font-weight: 700; color: var(--color-heading); margin-bottom: 2px; }
.tree-node__meta { font-size: 0.6875rem; color: var(--color-muted); margin-bottom: 8px; }
.tree-node__stats { display: flex; gap: 16px; justify-content: center; }
.tree-node__stat { text-align: center; }
.tree-node__stat-value { font-size: 0.875rem; font-weight: 800; color: var(--color-heading); }
.tree-node__stat-label { font-size: 0.625rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.06em; }

.tree-children {
  display: flex; gap: 24px; padding-top: 40px; position: relative; justify-content: center;
}
.tree-children::before {
  content: ''; position: absolute; top: 0; left: 50%; width: 2px; height: 20px;
  background: var(--color-border); transform: translateX(-50%);
}
.tree-child { position: relative; padding-top: 20px; }
.tree-child::before {
  content: ''; position: absolute; top: 0; left: 50%;
  width: 2px; height: 20px; background: var(--color-border); transform: translateX(-50%);
}
.tree-children--multi::after {
  content: ''; position: absolute; top: 20px;
  left: calc(50% - var(--tree-half-width, 100px));
  right: calc(50% - var(--tree-half-width, 100px));
  height: 2px; background: var(--color-border);
}

/* --- Activity Feed --- */
.activity-item {
  display: flex; align-items: flex-start; gap: 14px; padding: 16px 24px;
  border-bottom: 1px solid var(--color-border); transition: background var(--transition-fast);
}
.activity-item:last-child { border-bottom: none; }
.activity-item:hover { background: #fafafc; }
.activity-icon {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 0.875rem;
}
.activity-icon--sale { background: var(--color-green-subtle); color: var(--color-green); }
.activity-icon--recruit { background: var(--color-indigo-subtle); color: var(--color-indigo); }
.activity-icon--click { background: var(--color-amber-subtle); color: var(--color-amber); }
.activity-text { font-size: 0.8125rem; color: var(--color-body); line-height: 1.5; }
.activity-text strong { color: var(--color-heading); }
.activity-time { font-size: 0.6875rem; color: var(--color-muted); margin-top: 2px; }

/* --- Empty States --- */
.empty-state { text-align: center; padding: 60px 24px; }
.empty-state__icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.5; }
.empty-state__title { font-size: 1.125rem; font-weight: 700; color: var(--color-heading); margin-bottom: 8px; }
.empty-state__text { font-size: 0.875rem; color: var(--color-body-light); max-width: 400px; margin: 0 auto; }

/* --- Auth Pages --- */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(180deg, #0f0f14 0%, #1a1a2e 50%, #131318 100%);
  padding: 40px 24px;
}
.auth-card {
  background: #fff; border-radius: var(--radius-xl); padding: 48px 40px;
  width: 100%; max-width: 440px; box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.auth-card__logo { display: block; height: 28px; margin: 0 auto 32px; }
.auth-card__title { font-size: 1.5rem; font-weight: 800; color: var(--color-heading); text-align: center; margin-bottom: 8px; }
.auth-card__subtitle { font-size: 0.9375rem; color: var(--color-body-light); text-align: center; margin-bottom: 32px; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.8125rem; font-weight: 600; color: var(--color-heading); margin-bottom: 6px; }
.form-input {
  width: 100%; padding: 12px 16px; font-family: inherit; font-size: 0.9375rem;
  color: var(--color-heading); background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius-md); outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus { border-color: var(--color-indigo); box-shadow: 0 0 0 3px var(--color-indigo-subtle); }
.form-input::placeholder { color: var(--color-muted); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px; font-size: 0.9375rem; font-weight: 600;
  border-radius: var(--radius-full); transition: all var(--transition-fast);
  white-space: nowrap; cursor: pointer; border: none;
}
.btn--primary { background: var(--color-indigo); color: #fff; }
.btn--primary:hover { background: var(--color-indigo-dark); box-shadow: 0 4px 20px rgba(99,102,241,0.3); }
.btn--full { width: 100%; }
.btn--lg { padding: 16px 40px; font-size: 1rem; }
.auth-footer { text-align: center; margin-top: 24px; font-size: 0.8125rem; color: var(--color-body-light); }
.auth-footer a { color: var(--color-indigo); font-weight: 600; }
.auth-footer a:hover { text-decoration: underline; }

/* --- Hamburger (Mobile) --- */
.sidebar-toggle {
  display: none; position: fixed; top: 16px; left: 16px; z-index: 200;
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--color-surface); border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm); align-items: center; justify-content: center;
}
.sidebar-toggle span { display: block; width: 18px; height: 2px; background: var(--color-heading); border-radius: 1px; transition: all 0.2s ease; }
.sidebar-toggle span + span { margin-top: 4px; }
.sidebar-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  z-index: 90; opacity: 0; transition: opacity 0.3s ease;
}

/* --- Responsive --- */
@media (max-width: 1200px) { .metrics { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-toggle { display: flex; }
  .sidebar-overlay.open { display: block; opacity: 1; }
  .portal__main { margin-left: 0; }
  .topbar { padding: 0 16px 0 60px; }
  .portal__content { padding: 20px 16px; }
  .metrics { grid-template-columns: 1fr; }
  .tree-children { flex-direction: column; align-items: center; gap: 16px; }
  .auth-card { padding: 32px 24px; }
}