/* ============================================================
   assets/css/style.css — Influencer Audit Tool
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Mono:wght@400;500&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300&display=swap');

/* ── Tokens ──────────────────────────────────────────────── */
:root {
  --bg:         #0d0e12;
  --bg2:        #13151c;
  --surface:    #1e2130;
  --surface2:   #252a3a;
  --border:     #2e3349;
  --border2:    #3d4460;
  --text:       #e8eaf0;
  --text2:      #9aa0bb;
  --text3:      #5c6380;
  --accent:     #f5a623;
  --accent2:    #ff6b35;
  --green:      #22d3a0;
  --red:        #ff4d6d;
  --yellow:     #ffd166;
  --blue:       #4da8ff;
  --font-head:  'Syne', sans-serif;
  --font-mono:  'DM Mono', monospace;
  --font-body:  'DM Sans', sans-serif;
  --radius:     12px;
  --radius-lg:  20px;
  --shadow:     0 4px 24px rgba(0,0,0,.4);
  --t:          .22s cubic-bezier(.4,0,.2,1);
}

[data-theme="light"] {
  --bg:       #f0f1f5;
  --bg2:      #e8eaf0;
  --surface:  #ffffff;
  --surface2: #f5f6fa;
  --border:   #d0d4e6;
  --border2:  #b8bed8;
  --text:     #1a1d27;
  --text2:    #4a5070;
  --text3:    #8890b0;
  --shadow:   0 4px 24px rgba(0,0,0,.10);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* The HTML `hidden` attribute must actually hide elements.
   Some resets or old browsers need this nudge. */
[hidden] { display: none !important; }

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

/* Subtle noise texture overlay */
body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: .5;
}

/* ── Layout ──────────────────────────────────────────────── */
.wrapper {
  position: relative; z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* ── Header ──────────────────────────────────────────────── */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 28px 0 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-head); font-size: 1.25rem; font-weight: 800;
  letter-spacing: -.02em; color: var(--text); text-decoration: none;
}
.logo span { color: var(--accent); }

.logo-dot {
  width: 28px; height: 28px; border-radius: 8px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700; color: #000;
}

.header-actions { display: flex; align-items: center; gap: 12px; }

.theme-toggle {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 50px; padding: 6px 14px; cursor: pointer;
  font-size: .78rem; font-family: var(--font-mono); color: var(--text2);
  display: flex; align-items: center; gap: 6px;
  transition: border-color var(--t), color var(--t);
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle .icon { font-size: 1rem; }

/* ── Hero ────────────────────────────────────────────────── */
.page-intro { margin-bottom: 36px; }

.page-intro h1 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800; letter-spacing: -.03em; line-height: 1.15;
  margin-bottom: 10px;
  background: linear-gradient(135deg, var(--text) 40%, var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-intro p { color: var(--text2); font-size: .95rem; max-width: 480px; }

/* ── Card ────────────────────────────────────────────────── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow);
  transition: background var(--t), border-color var(--t);
}
.card + .card,
.card + section { margin-top: 20px; }

.card-label {
  font-family: var(--font-mono); font-size: .68rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 18px;
  display: flex; align-items: center; gap: 8px;
}
.card-label::before {
  content: ''; display: block;
  width: 18px; height: 2px; border-radius: 2px;
  background: var(--accent);
}

/* ── Form ────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }

label {
  font-size: .78rem; font-weight: 500; color: var(--text2);
  font-family: var(--font-mono); letter-spacing: .04em;
}

.optional { color: var(--text3); font-style: normal; }
.required { color: var(--red); }

input, select {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 11px 14px;
  font-family: var(--font-body); font-size: .9rem; color: var(--text);
  outline: none; width: 100%; -webkit-appearance: none;
  transition: border-color var(--t), box-shadow var(--t);
}
input::placeholder { color: var(--text3); }
input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245,166,35,.15);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239aa0bb' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
  padding-right: 36px; cursor: pointer;
}
select option { background: var(--surface); }

.input-wrap { position: relative; }
.input-prefix {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text3); font-family: var(--font-mono); font-size: .8rem;
  pointer-events: none;
}
.input-wrap input { padding-left: 28px; }

/* ── Submit button ───────────────────────────────────────── */
.btn-analyze {
  margin-top: 20px; width: 100%; padding: 15px 28px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #000; font-family: var(--font-head);
  font-size: 1rem; font-weight: 700; letter-spacing: .02em;
  border: none; border-radius: 10px; cursor: pointer;
  box-shadow: 0 4px 20px rgba(245,166,35,.35);
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: transform var(--t), box-shadow var(--t), opacity var(--t);
}
.btn-analyze:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(245,166,35,.4); }
.btn-analyze:active:not(:disabled) { transform: translateY(0); }
.btn-analyze:disabled { opacity: .5; cursor: not-allowed; }

.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(0,0,0,.3); border-top-color: #000;
  animation: spin .7s linear infinite; display: none;
}
.btn-analyze.loading .spinner { display: block; }
.btn-analyze.loading .btn-text { display: none; }

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

/* ── Error ───────────────────────────────────────────────── */
.error-msg {
  background: rgba(255,77,109,.1); border: 1px solid rgba(255,77,109,.3);
  border-radius: 8px; padding: 12px 16px; color: var(--red);
  font-size: .85rem; margin-top: 12px;
}
/* JS removes `hidden` to show; this rule makes the transition smooth */
.error-msg:not([hidden]) { display: block; }

/* ── Results section ─────────────────────────────────────── */
#results:not([hidden]) {
  display: block;
  animation: fadeUp .4s ease both;
}

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

/* ── Result username banner ──────────────────────────────── */
.result-username-wrap { margin-bottom: 12px; }
.result-username-label {
  font-family: var(--font-mono); font-size: .85rem; color: var(--text2);
}
.result-username-handle { color: var(--accent); font-weight: 600; }

/* ── Metric grid ─────────────────────────────────────────── */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px; margin-bottom: 20px;
}

.metric-card {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  position: relative; overflow: hidden;
  transition: transform var(--t), border-color var(--t);
}
.metric-card:hover { transform: translateY(-2px); border-color: var(--border2); }

/* Coloured top stripe via CSS custom property set by JS */
.metric-card::after {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: var(--mc-color, var(--accent));
}

/* Static blue variant for the Followers card (no JS needed) */
.metric-card--blue { --mc-color: var(--blue); }

.metric-label {
  font-family: var(--font-mono); font-size: .65rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text3); margin-bottom: 8px;
}
.metric-value {
  font-family: var(--font-head); font-size: 1.75rem; font-weight: 800;
  color: var(--text); line-height: 1; letter-spacing: -.03em;
}
.metric-sub { font-size: .75rem; color: var(--text2); margin-top: 4px; }

/* ── Earnings ────────────────────────────────────────────── */
.earnings-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }

.earn-item {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px;
}
.earn-label {
  font-family: var(--font-mono); font-size: .65rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text3); margin-bottom: 8px;
}
.earn-range {
  font-family: var(--font-head); font-size: 1rem; font-weight: 700;
  color: var(--green);
}
.earn-note { font-size: .72rem; color: var(--text3); margin-top: 4px; }

/* ── Gauges ──────────────────────────────────────────────── */
.gauge-row { display: flex; flex-direction: column; gap: 18px; }

.gauge-header {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 8px;
}
.gauge-name {
  font-family: var(--font-mono); font-size: .8rem; font-weight: 500;
  color: var(--text2);
}
.gauge-val {
  font-family: var(--font-head); font-size: 1rem; font-weight: 700;
  color: var(--text);
}
.gauge-track {
  height: 8px; background: var(--border);
  border-radius: 100px; overflow: hidden;
}
.gauge-fill {
  height: 100%; border-radius: 100px; width: 0;
  background: var(--gf-color, var(--accent));
  transition: width 1s cubic-bezier(.4,0,.2,1);
}

/* ── Trust badge ─────────────────────────────────────────── */
.trust-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 100px;
  font-family: var(--font-mono); font-size: .72rem; font-weight: 500;
  letter-spacing: .08em;
}
.trust-badge.high   { background: rgba(34,211,160,.15);  color: var(--green);  border: 1px solid rgba(34,211,160,.3); }
.trust-badge.medium { background: rgba(255,209,102,.12); color: var(--yellow); border: 1px solid rgba(255,209,102,.25); }
.trust-badge.low    { background: rgba(255,77,109,.12);  color: var(--red);    border: 1px solid rgba(255,77,109,.25); }

/* ── Share ───────────────────────────────────────────────── */
.share-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.share-row:not([hidden]) { display: flex; }

.share-url-box {
  flex: 1; min-width: 0;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px;
  font-family: var(--font-mono); font-size: .8rem; color: var(--text2);
  overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}

.btn-copy {
  padding: 10px 18px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface2);
  color: var(--text2); font-family: var(--font-mono); font-size: .78rem;
  cursor: pointer; white-space: nowrap;
  transition: border-color var(--t), color var(--t);
}
.btn-copy:hover  { border-color: var(--accent); color: var(--accent); }
.btn-copy.copied { border-color: var(--green);  color: var(--green); }

.share-hint { font-size: .78rem; color: var(--text3); margin-top: 8px; }

/* ── History table ───────────────────────────────────────── */
.history-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: .82rem; }

th {
  font-family: var(--font-mono); font-size: .65rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text3);
  padding: 10px 14px; text-align: left;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
td {
  padding: 10px 14px; border-bottom: 1px solid var(--border);
  color: var(--text2);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface2); }

.tbl-er   { color: var(--blue);  font-family: var(--font-mono); }
.tbl-fake { color: var(--red);   font-family: var(--font-mono); }
.tbl-earn { color: var(--green); font-family: var(--font-mono); }

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  text-align: center; padding: 32px 0 0;
  border-top: 1px solid var(--border); margin-top: 48px;
  color: var(--text3); font-size: .78rem; font-family: var(--font-mono);
}
.site-footer p + p { margin-top: 6px; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .wrapper      { padding: 0 16px 48px; }
  .site-header  { padding: 20px 0 16px; }
  .card         { padding: 20px; }
  .earnings-grid { grid-template-columns: 1fr; }
  .metric-grid  { grid-template-columns: repeat(2, 1fr); }
  .share-row    { flex-direction: column; align-items: stretch; }
}

/* ── Skeleton loader (utility) ───────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--surface2) 25%, var(--border) 50%, var(--surface2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  border-radius: 6px;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ── History link (rendered by JS) ──────────────────────── */
.history-link {
  color: var(--accent); text-decoration: none;
  font-family: var(--font-mono); font-size: .75rem;
}
.history-link:hover { text-decoration: underline; }