/* ============================================================
   Prodlysis — design system (per PRD palette)
   ============================================================ */
:root {
  --pink: #EC4899;
  --pink-strong: #DB2777;
  --pink-soft: #FCE7F3;
  --bg: #FFFFFF;
  --card: #FFF7FB;
  --border: #F4D3E4;
  --success: #22C55E;
  --warning: #F59E0B;
  --danger: #EF4444;
  --text: #1F2937;
  --muted: #6B7280;
  --shadow: 0 6px 24px rgba(236, 72, 153, 0.08);
  --radius: 16px;
}

[data-theme="dark"] {
  --bg: #111418;
  --card: #1B2027;
  --border: #332a31;
  --text: #F3F4F6;
  --muted: #9CA3AF;
  --pink-soft: rgba(236, 72, 153, 0.12);
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .font-heading { font-family: "Poppins", system-ui, sans-serif; }
.stat { font-family: "Space Grotesk", system-ui, sans-serif; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--pink), #F9A8D4);
  color: #fff; font-weight: 700; font-family: "Poppins", sans-serif;
  display: grid; place-items: center; font-size: 18px;
}
.brand-text { font-family: "Poppins", sans-serif; font-weight: 700; letter-spacing: 0.5px; }
.nav-links { display: flex; gap: 6px; margin-left: auto; }
.nav-links a {
  padding: 8px 14px; border-radius: 999px; text-decoration: none;
  color: var(--muted); font-size: 14px; font-weight: 500;
  transition: background .15s, color .15s;
}
.nav-links a:hover { background: var(--pink-soft); color: var(--pink); }
.nav-links a.active { background: var(--pink); color: #fff; }
.nav-right { display: flex; }
.icon-btn {
  border: 1px solid var(--border); background: var(--card); color: var(--text);
  width: 36px; height: 36px; border-radius: 10px; cursor: pointer; font-size: 16px;
}
.icon-btn:hover { border-color: var(--pink); color: var(--pink); }

/* ---------- Layout ---------- */
.main { max-width: 1100px; margin: 0 auto; padding: 40px 24px 64px; }
.footer { text-align: center; padding: 24px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--border); }

.page-title { margin: 0 0 4px; font-size: 26px; }
.page-sub { color: var(--muted); margin: 0 0 28px; font-size: 15px; }

/* ---------- Cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 12px; font-size: 16px; }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 860px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Buttons ---------- */
.btn {
  font-family: "Inter", sans-serif; font-weight: 600; font-size: 14px;
  border: none; border-radius: 12px; padding: 12px 20px; cursor: pointer;
  transition: transform .1s, box-shadow .15s, background .15s;
}
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn-primary { background: var(--pink); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--pink-strong); box-shadow: 0 8px 20px rgba(236,72,153,.35); }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--pink); color: var(--pink); }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-block { width: 100%; }

/* ---------- Forms ---------- */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--muted); }
.input, textarea.input, select.input {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border);
  border-radius: 12px; background: var(--bg); color: var(--text);
  font-family: "Inter", sans-serif; font-size: 14px; outline: none;
}
.input:focus { border-color: var(--pink); box-shadow: 0 0 0 3px var(--pink-soft); }
textarea.input { resize: vertical; min-height: 120px; line-height: 1.5; }

.dropzone {
  position: relative;
  border: 2px dashed var(--border); border-radius: 14px; padding: 28px 20px;
  text-align: center; cursor: pointer; transition: all .15s; background: var(--bg);
  display: block;
}
.dropzone:hover, .dropzone.drag { border-color: var(--pink); background: var(--pink-soft); }
.dropzone .dz-title { font-weight: 600; margin-bottom: 4px; }
.dropzone .dz-hint { font-size: 13px; color: var(--muted); }
.dropzone .dz-file { margin-top: 8px; font-size: 13px; color: var(--pink); font-weight: 600; }
.dz-remove {
  margin-left: 8px; padding: 2px 8px; border: none; border-radius: 999px;
  background: rgba(239,68,68,.12); color: var(--danger); font-weight: 700;
  font-size: 13px; line-height: 1.4; cursor: pointer; vertical-align: middle;
}
.dz-remove:hover { background: rgba(239,68,68,.22); }
.dropzone input[type="file"] {
  position: absolute; width: 1px; height: 1px; opacity: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

.or-divider { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; font-weight: 600; margin: 22px 0; }
.or-divider::before, .or-divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* ---------- Metric table ---------- */
.table-wrap { overflow-x: auto; }
table.metrics { width: 100%; border-collapse: collapse; font-size: 14px; }
table.metrics th {
  text-align: left; padding: 10px 12px; font-size: 12px; text-transform: uppercase;
  letter-spacing: .04em; color: var(--muted); border-bottom: 2px solid var(--border);
}
table.metrics td { padding: 12px; border-bottom: 1px solid var(--border); }
table.metrics tr:last-child td { border-bottom: none; }
.stat { font-family: "Space Grotesk", sans-serif; font-weight: 600; }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
}
.badge.improved { background: rgba(34,197,94,.12); color: var(--success); }
.badge.regressed { background: rgba(239,68,68,.12); color: var(--danger); }
.badge.unchanged { background: var(--border); color: var(--muted); }
.badge.good { background: rgba(34,197,94,.12); color: var(--success); }
.badge.ok { background: rgba(245,158,11,.15); color: var(--warning); }
.badge.poor { background: rgba(239,68,68,.12); color: var(--danger); }
.badge.info { background: var(--border); color: var(--muted); }
.badge.positive { background: rgba(34,197,94,.12); color: var(--success); }
.badge.negative { background: rgba(239,68,68,.12); color: var(--danger); }
.badge.neutral { background: var(--border); color: var(--muted); }
.badge.High { background: rgba(239,68,68,.12); color: var(--danger); }
.badge.Medium { background: rgba(245,158,11,.15); color: var(--warning); }
.badge.Low { background: rgba(34,197,94,.12); color: var(--success); }

/* ---------- Health score ---------- */
.health-card { text-align: center; padding: 32px 24px; }
.health-ring {
  width: 150px; height: 150px; margin: 0 auto 16px; border-radius: 50%;
  display: grid; place-items: center; position: relative;
}
.health-ring .ring-inner {
  width: 118px; height: 118px; border-radius: 50%; background: var(--card);
  display: grid; place-items: center; flex-direction: column;
}
.health-ring .score { font-size: 40px; font-weight: 700; line-height: 1; }
.health-ring .max { font-size: 14px; color: var(--muted); }
.health-delta { font-weight: 600; }
.health-delta.up { color: var(--success); }
.health-delta.down { color: var(--danger); }

/* ---------- Findings ---------- */
.finding { padding: 14px 0; border-bottom: 1px solid var(--border); }
.finding:last-child { border-bottom: none; }
.finding .f-title { font-weight: 600; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.finding ul { margin: 6px 0; padding-left: 20px; }
.finding .cause { margin-top: 6px; font-size: 14px; color: var(--muted); }
.confidence {
  display: inline-block; margin-left: auto; font-size: 12px; font-weight: 600;
  color: var(--pink); background: var(--pink-soft); padding: 3px 9px; border-radius: 999px;
}

/* ---------- Recommendations ---------- */
.rec-list { list-style: none; padding: 0; margin: 0; }
.rec-list li {
  display: flex; gap: 12px; align-items: flex-start; padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.rec-list li:last-child { border-bottom: none; }
.rec-check {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  background: var(--pink-soft); color: var(--pink);
  display: grid; place-items: center; font-size: 13px; font-weight: 700; margin-top: 2px;
}

/* ---------- Empty state ---------- */
.empty { text-align: center; padding: 48px 20px; color: var(--muted); }
.empty .big { font-size: 40px; margin-bottom: 8px; }

/* ---------- History rows ---------- */
.history-item {
  display: flex; align-items: center; gap: 16px; padding: 16px;
  border: 1px solid var(--border); border-radius: 14px; margin-bottom: 12px;
  background: var(--bg); text-decoration: none; color: var(--text);
  transition: border-color .15s, transform .1s;
}
.history-item:hover { border-color: var(--pink); transform: translateY(-1px); }
.history-item .hi-title { font-weight: 600; }
.history-item .hi-meta { font-size: 13px; color: var(--muted); }
.history-item .hi-score { margin-left: auto; font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 20px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 12px 22px; border-radius: 12px;
  font-size: 14px; font-weight: 500; box-shadow: 0 10px 30px rgba(0,0,0,.2); z-index: 100;
}
.toast.error { background: var(--danger); color: #fff; }

/* ---------- Misc ---------- */
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.spacer { flex: 1; }
.muted { color: var(--muted); }
.mt { margin-top: 20px; }
.mt-sm { margin-top: 12px; }
.hidden { display: none !important; }

.loading {
  display: inline-block; width: 16px; height: 16px; border: 2px solid var(--pink-soft);
  border-top-color: var(--pink); border-radius: 50%; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.code {
  background: var(--bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; font-family: ui-monospace, Menlo, monospace; font-size: 13px;
  white-space: pre-wrap; max-height: 400px; overflow: auto; color: var(--text);
}

.settings-hint { font-size: 13px; color: var(--muted); margin-top: 6px; }

/* ---------- Mode switch ---------- */
.mode-switch {
  display: flex; gap: 8px; background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 6px; margin-bottom: 20px; width: fit-content;
}
.mode-btn {
  border: none; background: transparent; color: var(--muted); font-weight: 600;
  font-size: 14px; padding: 10px 18px; border-radius: 10px; cursor: pointer;
  font-family: "Inter", sans-serif;
}
.mode-btn:hover { color: var(--pink); }
.mode-btn.active { background: var(--pink); color: #fff; }

/* ---------- Input method toggle (upload vs enter metrics) ---------- */
.input-method {
  display: flex; gap: 8px; background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 5px; margin-bottom: 18px;
}
.im-btn {
  flex: 1; border: none; background: transparent; color: var(--muted);
  font-weight: 600; font-size: 13px; padding: 8px 12px; border-radius: 9px;
  cursor: pointer; font-family: "Inter", sans-serif;
}
.im-btn:hover { color: var(--pink); }
.im-btn.active { background: var(--pink); color: #fff; }
.im-panel { margin-bottom: 4px; }


/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; border-radius: 24px;
  background: linear-gradient(135deg, #FFF7FB 0%, #FCE7F3 50%, #FBCFE8 100%);
  border: 1px solid var(--border); padding: 56px 48px; margin-bottom: 40px;
}
[data-theme="dark"] .hero {
  background: linear-gradient(135deg, #1B2027 0%, #26222a 55%, #332130 100%);
}
.hero-grid {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center;
  position: relative; z-index: 2;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }
.hero h1 { font-size: 40px; line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.5px; }
.hero .hero-accent { color: var(--pink); }
.hero .hero-sub { font-size: 17px; color: var(--muted); margin: 0 0 28px; max-width: 520px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 28px; margin-top: 32px; flex-wrap: wrap; }
.hero-stat .stat { font-size: 24px; font-weight: 700; }
.hero-stat .muted { font-size: 13px; }
.hero-art { display: flex; justify-content: center; }
.hero-card-stack { display: grid; gap: 12px; width: 100%; max-width: 360px; }
.hero-mini {
  background: var(--bg); border: 1px solid var(--border); border-radius: 14px;
  padding: 14px 16px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 12px;
}
.hero-mini .hm-icon {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  font-size: 20px; background: var(--pink-soft); flex-shrink: 0;
}
.hero-mini .hm-label { font-size: 13px; color: var(--muted); }
.hero-mini .hm-value { font-weight: 700; font-size: 15px; }

/* ---------- Feature cards ---------- */
.feature-icon {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  font-size: 24px; background: var(--pink-soft); margin-bottom: 14px;
}
.feature-card h3 { margin: 0 0 8px; }
.feature-card p { color: var(--muted); font-size: 14px; margin: 0; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }
.step { text-align: center; padding: 28px 20px; }
.step-num {
  width: 40px; height: 40px; border-radius: 50%; background: var(--pink); color: #fff;
  display: grid; place-items: center; font-weight: 700; margin: 0 auto 14px;
  font-family: "Space Grotesk", sans-serif;
}
.step h3 { margin: 0 0 8px; font-size: 16px; }
.step p { color: var(--muted); font-size: 14px; margin: 0; }

/* ---------- Section heading ---------- */
.section-head { text-align: center; margin-bottom: 28px; }
.section-head h2 { margin: 0 0 8px; font-size: 28px; }
.section-head p { color: var(--muted); margin: 0; }

/* ---------- Avatar ---------- */
.avatar-lg {
  width: 96px; height: 96px; border-radius: 50%; object-fit: cover;
  border: 3px solid var(--pink-soft); display: block;
  background: var(--pink-soft);
}
.avatar-sm {
  width: 34px; height: 34px; border-radius: 50%; object-fit: cover;
  border: 2px solid var(--pink-soft); background: var(--pink-soft);
}