/* =============================================================================
   index.css — VenomScan global styles
   Dark navy + electric blue theme with subtle green/red accents
   ============================================================================= */

/* ── Google Fonts ─────────────────────────────────────────────────────────── */
@import url("https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500&display=swap");

/* ── Design tokens ────────────────────────────────────────────────────────── */
:root {
  /* Base palette */
  --bg-base:       #080d1a;
  --bg-surface:    #0d1628;
  --bg-card:       #111e35;
  --bg-card-2:     #162240;

  /* Blues */
  --blue-glow:     #3b82f6;
  --blue-bright:   #60a5fa;
  --blue-dim:      #1d4ed8;
  --blue-border:   rgba(59, 130, 246, 0.25);
  --blue-border-h: rgba(96, 165, 250, 0.5);

  /* Semantic */
  --danger:  #f87171;
  --safe:    #4ade80;
  --warn:    #fbbf24;

  /* Text */
  --text-primary:   #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted:     #475569;

  /* Typography */
  --font-display: "Syne", sans-serif;
  --font-body:    "DM Sans", sans-serif;

  /* Spacing */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue-bright); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── App shell ────────────────────────────────────────────────────────────── */
.app {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* ── Ambient background blobs ─────────────────────────────────────────────── */
.bg-blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.18;
}
.blob-1 {
  width: 500px; height: 500px;
  background: #1d4ed8;
  top: -150px; left: -100px;
}
.blob-2 {
  width: 400px; height: 400px;
  background: #0f766e;
  bottom: 100px; right: -120px;
}
.blob-3 {
  width: 300px; height: 300px;
  background: #7c3aed;
  top: 40%; left: 55%;
}

/* ── Header ───────────────────────────────────────────────────────────────── */
.app-header {
  position: relative;
  z-index: 1;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--blue-border);
  background: rgba(8, 13, 26, 0.7);
  backdrop-filter: blur(16px);
}
.header-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.logo-icon { font-size: 1.5rem; }
.logo-text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #60a5fa, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.header-tagline {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: auto;
}

/* ── Banners ──────────────────────────────────────────────────────────────── */
.banner {
  position: relative;
  z-index: 1;
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  text-align: center;
}
.banner-error {
  background: rgba(248, 113, 113, 0.12);
  border-top: 1px solid rgba(248, 113, 113, 0.3);
  border-bottom: 1px solid rgba(248, 113, 113, 0.3);
  color: #fca5a5;
}

/* ── Main ─────────────────────────────────────────────────────────────────── */
.app-main {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  padding: 2.5rem 1rem 4rem;
}

/* ── Cards ────────────────────────────────────────────────────────────────── */
.card {
  width: 100%;
  max-width: 680px;
  background: var(--bg-card);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius-xl);
  padding: 2rem 2.25rem;
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
}
.card-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: #e2e8f0;
  margin-bottom: 0.4rem;
}
.card-sub {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
  line-height: 1.5;
}

/* ── Uploader ─────────────────────────────────────────────────────────────── */
.uploader-wrapper { width: 100%; }

.drop-zone {
  width: 100%;
  border: 2px dashed var(--blue-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  background: rgba(59, 130, 246, 0.03);
  outline: none;
}
.drop-zone:hover, .drop-zone:focus {
  border-color: var(--blue-bright);
  background: rgba(59, 130, 246, 0.07);
}
.drop-zone.drag-over {
  border-color: var(--blue-bright);
  background: rgba(59, 130, 246, 0.1);
  box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.15);
}
.drop-zone.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.upload-icon {
  width: 56px;
  height: 56px;
  color: var(--blue-bright);
  opacity: 0.7;
  margin-bottom: 0.25rem;
}
.upload-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}
.upload-sub { font-size: 0.85rem; color: var(--text-secondary); }
.upload-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.25rem; }
.upload-error {
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--danger);
}

/* ── Preview ──────────────────────────────────────────────────────────────── */
.preview-wrapper {
  position: relative;
  margin-top: 1.25rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--blue-border);
}
.preview-img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  display: block;
}
.preview-clear {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  background: rgba(8, 13, 26, 0.75);
  border: 1px solid var(--blue-border);
  color: var(--text-secondary);
  font-size: 0.78rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: background 0.15s;
}
.preview-clear:hover { background: rgba(30, 40, 70, 0.9); color: var(--text-primary); }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn-primary {
  display: block;
  width: 100%;
  margin-top: 1.25rem;
  padding: 0.85rem 1.5rem;
  background: linear-gradient(135deg, var(--blue-dim), var(--blue-glow));
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}
.btn-primary:hover:not(:disabled) {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(59, 130, 246, 0.5);
}
.btn-primary:active:not(:disabled) { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--blue-border);
  color: var(--text-secondary);
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.85rem;
  transition: border-color 0.15s, color 0.15s;
}
.btn-ghost:hover { border-color: var(--blue-bright); color: var(--text-primary); }

/* ── Result wrapper ───────────────────────────────────────────────────────── */
.result-wrapper {
  width: 100%;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  animation: fadeUp 0.4s ease;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.try-again { align-self: center; }

/* ── ResultCard ───────────────────────────────────────────────────────────── */
.result-card {
  background: var(--bg-card);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius-xl);
  padding: 1.75rem 2rem;
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
}
.result-card.venomous { border-color: rgba(248, 113, 113, 0.3); }
.result-card.safe     { border-color: rgba(74, 222, 128, 0.3); }

/* Verdict header */
.verdict-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.verdict-icon {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.icon-danger { background: rgba(248, 113, 113, 0.15); color: var(--danger); }
.icon-safe   { background: rgba(74, 222, 128, 0.15);  color: var(--safe); }

.verdict-text { flex: 1; }
.verdict-label {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.1;
}
.species-name {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
  font-style: italic;
}

/* Danger pill */
.danger-pill {
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.danger-low    { background: rgba(74, 222, 128, 0.15); color: var(--safe); }
.danger-medium { background: rgba(251, 191, 36, 0.15); color: var(--warn); }
.danger-high   { background: rgba(248, 113, 113, 0.15); color: var(--danger); }
.danger-extreme { background: rgba(248, 113, 113, 0.25); color: #fca5a5; border: 1px solid rgba(248,113,113,0.4); }

/* ── Confidence meter ─────────────────────────────────────────────────────── */
.confidence-meter { margin-bottom: 1.5rem; }
.confidence-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.4rem;
  font-size: 0.82rem;
}
.confidence-label { color: var(--text-secondary); }
.confidence-pct   { font-weight: 700; font-family: var(--font-display); }

.confidence-track {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  overflow: hidden;
}
.confidence-bar {
  height: 100%;
  border-radius: 999px;
  width: 0%;   /* animated via JS */
}
.confidence-warning {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--warn);
}

/* ── Info grid ────────────────────────────────────────────────────────────── */
.info-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.info-block {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
}
.info-block.first-aid {
  border-color: rgba(248, 113, 113, 0.25);
  background: rgba(248, 113, 113, 0.06);
}
.info-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.info-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.2rem;
}
.info-body { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.5; }

/* ── IUCN Badge ───────────────────────────────────────────────────────────── */
.iucn-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  font-size: 0.75rem;
}
.iucn-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background-color: var(--badge-color);
  flex-shrink: 0;
}
.iucn-code {
  font-weight: 700;
  color: var(--badge-color);
  font-family: var(--font-display);
}
.iucn-label { color: var(--text-muted); }

/* ── Disclaimer ───────────────────────────────────────────────────────────── */
.disclaimer {
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 0.85rem;
  line-height: 1.5;
}

/* ── Footer ───────────────────────────────────────────────────────────────── */
.app-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1.25rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--blue-border);
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .card { padding: 1.5rem 1.25rem; border-radius: var(--radius-lg); }
  .result-card { padding: 1.25rem 1.1rem; }
  .card-title { font-size: 1.3rem; }
  .header-inner { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
  .header-tagline { margin-left: 0; }
  .verdict-header { gap: 0.75rem; }
}