/* Sovereign Patient — Streetwear Medical dark UI */
/* Design tokens from brand guidelines */

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

:root {
  --black: #0a0a0a;
  --off-black: #111111;
  --dark-gray: #1a1a1a;
  --mid-gray: #2a2a2a;
  --light-gray: #888;
  --white: #f0f0f0;
  --bone: #e8e4df;
  --accent: #c9ff36;
  --accent-dim: #a8d62e;
  --red: #ff3b3b;
  --red-dim: rgba(255, 59, 59, 0.15);
}

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Noise texture overlay */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
}

/* NAV */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--white);
}

.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-links a {
  color: var(--light-gray);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--accent); }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--black);
}

.btn-primary:hover {
  background: var(--accent-dim);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--mid-gray);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.08);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
}

.btn-ghost {
  background: transparent;
  color: var(--light-gray);
  padding: 8px 16px;
}

.btn-ghost:hover { color: var(--white); }

/* CARDS */
.card {
  background: var(--off-black);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 24px;
}

.card-glow {
  box-shadow: 0 0 0 1px rgba(201, 255, 54, 0.08),
              0 4px 24px rgba(0,0,0,0.4);
}

/* LANDING PAGE */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 24px 80px;
}

.hero-tag {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 24px;
  padding: 6px 16px;
  border: 1px solid rgba(201, 255, 54, 0.2);
  border-radius: 100px;
}

.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 720px;
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero p {
  font-size: 1.15rem;
  color: var(--light-gray);
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

/* FEATURES SECTION */
.features {
  padding: 80px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.features h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
  letter-spacing: -0.02em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 32px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(201, 255, 54, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.feature-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--light-gray);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* FOOTER */
.footer {
  padding: 40px 24px;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.04);
  color: var(--light-gray);
  font-size: 0.8rem;
}

/* === DASHBOARD === */
.dashboard-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 100px 24px 60px;
}

.dashboard-header {
  margin-bottom: 32px;
}

.dashboard-header h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.dashboard-header p {
  color: var(--light-gray);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* Date pill */
.date-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--mid-gray);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--bone);
  margin-bottom: 24px;
}

.date-pill .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

/* Symptom sliders */
.symptom-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.slider-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.slider-label span:first-child {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.slider-value {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  min-width: 28px;
  text-align: right;
}

/* Custom range slider */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--mid-gray);
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 3px solid var(--black);
  box-shadow: 0 0 8px rgba(201, 255, 54, 0.3);
}

input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 3px solid var(--black);
  box-shadow: 0 0 8px rgba(201, 255, 54, 0.3);
}

/* Flare status pills */
.flare-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.flare-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.flare-pill {
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.08);
  background: var(--dark-gray);
  color: var(--light-gray);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.2s;
}

.flare-pill:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--white);
}

.flare-pill.active {
  background: var(--accent);
  color: var(--black);
  border-color: var(--accent);
}

.flare-pill.active-mild {
  background: rgba(201, 255, 54, 0.2);
  color: var(--accent);
  border-color: var(--accent);
}

.flare-pill.active-moderate {
  background: rgba(255, 165, 0, 0.2);
  color: #ffa500;
  border-color: #ffa500;
}

.flare-pill.active-severe {
  background: var(--red-dim);
  color: var(--red);
  border-color: var(--red);
}

/* Notes */
.notes-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--dark-gray);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  color: var(--white);
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  resize: vertical;
  min-height: 60px;
}

.notes-input::placeholder { color: rgba(255,255,255,0.2); }
.notes-input:focus {
  outline: none;
  border-color: rgba(201, 255, 54, 0.3);
}

/* Submit feedback */
.save-feedback {
  display: none;
  padding: 12px;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
  font-size: 0.85rem;
  margin-top: 8px;
}

.save-feedback.show { display: block; }
.save-feedback.success {
  background: rgba(201, 255, 54, 0.1);
  color: var(--accent);
  border: 1px solid rgba(201, 255, 54, 0.2);
}
.save-feedback.error {
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid rgba(255, 59, 59, 0.3);
}

/* Chart section */
.chart-section {
  margin-top: 48px;
}

.chart-section h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.chart-container {
  position: relative;
  width: 100%;
  height: 280px;
  padding: 16px 0;
}

.chart-canvas {
  width: 100%;
  height: 100%;
}

.chart-legend {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--light-gray);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--light-gray);
}

.empty-state .icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 0.9rem;
  max-width: 360px;
  margin: 0 auto;
}

/* Flare badge in chart */
.flare-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.flare-badge {
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 100px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.flare-badge.none { background: var(--mid-gray); color: var(--light-gray); }
.flare-badge.mild { background: rgba(201, 255, 54, 0.15); color: var(--accent); }
.flare-badge.moderate { background: rgba(255, 165, 0, 0.15); color: #ffa500; }
.flare-badge.severe { background: var(--red-dim); color: var(--red); }

/* RESPONSIVE */
@media (max-width: 640px) {
  nav { padding: 14px 16px; }
  .logo { font-size: 0.95rem; }
  .nav-links { gap: 14px; }
  .nav-links a { font-size: 0.75rem; }

  .hero { padding: 100px 20px 60px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }

  .dashboard-wrap { padding: 80px 16px 40px; }
  .card { padding: 18px; }

  .flare-options { gap: 6px; }
  .flare-pill { padding: 6px 14px; font-size: 0.75rem; }

  .chart-container { height: 220px; }
  .chart-legend { gap: 12px; }
}