/* ============================================
   NULLHYD DESIGN SYSTEM
   Matches nullhyd.org branding exactly
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

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

:root {
  /* Brand Colors */
  --blue: #0063d7;
  --red: #e21027;
  --green: #00b664;
  --yellow: #fcff20;

  /* Surfaces */
  --bg: #0a0a0a;
  --card: #111111;
  --card-hover: #161616;
  --border: #1e1e1e;

  /* Text */
  --text: #ffffff;
  --text-dim: #aaaaaa;
  --text-muted: #666666;

  /* Glow variants */
  --blue-glow: rgba(0, 99, 215, 0.25);
  --red-glow: rgba(226, 16, 39, 0.2);
  --green-glow: rgba(0, 182, 100, 0.2);

  /* Typography */
  --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Spacing */
  --section-pad: clamp(4rem, 8vw, 7rem);
  --content-max: 1200px;

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ============================================
   UTILITY
   ============================================ */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1rem;
}

.section-label::before {
  content: '';
  width: 1.5rem;
  height: 2px;
  background: var(--blue);
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-dim);
  max-width: 580px;
  line-height: 1.7;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: all 0.4s var(--ease);
}

.nav.scrolled {
  padding: 0.75rem 0;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.nav-logo .hash { color: var(--blue); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.3s var(--ease);
  letter-spacing: 0.01em;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: width 0.3s var(--ease);
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  font-size: 0.82rem !important;
  font-weight: 600 !important;
  color: var(--text) !important;
  background: var(--blue);
  padding: 0.5rem 1.2rem;
  border-radius: 6px;
  transition: all 0.3s var(--ease) !important;
  box-shadow: 0 0 20px var(--blue-glow);
}

.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: #0070f0;
  box-shadow: 0 0 30px var(--blue-glow);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.35s var(--ease);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--ease);
  }
  .nav-links.open { opacity: 1; pointer-events: auto; }
  .nav-links a { font-size: 1.4rem; font-weight: 600; color: var(--text); }
  .nav-cta { font-size: 1.1rem !important; padding: 0.75rem 2rem; }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  text-decoration: none;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 0 24px var(--blue-glow);
}

.btn-primary:hover {
  background: #0070f0;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--blue-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.03);
  transform: translateY(-2px);
}

.btn-danger {
  background: rgba(226, 16, 39, 0.12);
  color: var(--red);
  border: 1px solid rgba(226, 16, 39, 0.2);
}

.btn-danger:hover {
  background: rgba(226, 16, 39, 0.2);
  transform: translateY(-2px);
}

.btn-success {
  background: rgba(0, 182, 100, 0.12);
  color: var(--green);
  border: 1px solid rgba(0, 182, 100, 0.2);
}

.btn-success:hover {
  background: rgba(0, 182, 100, 0.22);
  transform: translateY(-2px);
}

.btn-sm {
  font-size: 0.8rem;
  padding: 0.5rem 1rem;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--blue-glow) 0%, transparent 65%);
  filter: blur(80px);
  z-index: 0;
  animation: orbFloat 12s ease-in-out infinite alternate;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -15%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--red-glow) 0%, transparent 65%);
  filter: blur(80px);
  z-index: 0;
  animation: orbFloat 10s ease-in-out infinite alternate-reverse;
}

@keyframes orbFloat {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(30px, -20px) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  padding-top: 7rem;
  max-width: var(--content-max);
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue);
  background: rgba(0, 99, 215, 0.1);
  border: 1px solid rgba(0, 99, 215, 0.2);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
  animation: fadeUp 0.8s var(--ease-out) both;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.75); }
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s var(--ease-out) 0.1s both;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--blue), #00a2ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-dim);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.8s var(--ease-out) 0.2s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  animation: fadeUp 0.8s var(--ease-out) 0.3s both;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
  animation: fadeUp 0.8s var(--ease-out) 0.4s both;
  flex-wrap: wrap;
}

.hero-stat-val {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}

.color-blue { color: var(--blue); }
.color-green { color: var(--green); }
.color-yellow { color: var(--yellow); }
.color-red { color: var(--red); }

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
  letter-spacing: 0.03em;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   EVENT CARDS
   ============================================ */
.events-section {
  padding: var(--section-pad) 0;
  position: relative;
}

.events-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (max-width: 480px) {
  .events-grid { grid-template-columns: 1fr; }
}

.event-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem;
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.event-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--blue), #00a2ff);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.event-card:hover {
  border-color: rgba(0, 99, 215, 0.25);
  background: var(--card-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}

.event-card:hover::before { opacity: 1; }

.event-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.event-date-badge {
  background: rgba(0, 99, 215, 0.12);
  border: 1px solid rgba(0, 99, 215, 0.2);
  border-radius: 10px;
  padding: 0.6rem 0.9rem;
  text-align: center;
  flex-shrink: 0;
  min-width: 56px;
}

.event-date-day {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
}

.event-date-month {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blue);
  opacity: 0.8;
}

.event-status-chip {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
}

.event-type-chip {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
  background: rgba(139, 92, 246, 0.1);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.event-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  background: rgba(139, 92, 246, 0.1);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.25);
  margin-bottom: 0.75rem;
  width: fit-content;
}

.chip-upcoming {
  background: rgba(0, 182, 100, 0.1);
  color: var(--green);
  border: 1px solid rgba(0, 182, 100, 0.2);
}

.chip-rsvped {
  background: rgba(0, 99, 215, 0.1);
  color: var(--blue);
  border: 1px solid rgba(0, 99, 215, 0.2);
}

.chip-confirmed {
  background: rgba(0, 182, 100, 0.1);
  color: var(--green);
  border: 1px solid rgba(0, 182, 100, 0.2);
}

.chip-waitlisted {
  background: rgba(252, 255, 32, 0.08);
  color: var(--yellow);
  border: 1px solid rgba(252, 255, 32, 0.2);
}

.chip-past {
  background: rgba(255,255,255,0.04);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.event-card h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.event-card h2 a { color: inherit; }
.event-card h2 a:hover { color: var(--blue); }

.event-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
  flex: 1;
}

.event-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.83rem;
  color: var(--text-dim);
}

.event-meta-item svg {
  width: 14px;
  height: 14px;
  opacity: 0.6;
  flex-shrink: 0;
}

/* Capacity bar */
.capacity-bar-wrap {
  margin-bottom: 1.25rem;
}

.capacity-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.capacity-bar {
  height: 4px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
}

.capacity-bar-fill {
  height: 100%;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--blue), #00a2ff);
  transition: width 1s var(--ease-out);
}

.capacity-bar-fill.full { background: linear-gradient(90deg, var(--red), #ff6b7a); }
.capacity-bar-fill.almost { background: linear-gradient(90deg, var(--yellow), #e8d820); }

.event-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

/* Past event card variant */
.event-card.past {
  opacity: 0.55;
  filter: grayscale(0.5);
}

.event-card.past:hover { opacity: 0.75; filter: grayscale(0.2); }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 5rem 2rem;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-dim);
  margin-bottom: 2rem;
}

/* ============================================
   EVENT DETAIL
   ============================================ */
.event-detail {
  padding-top: 7rem;
  padding-bottom: var(--section-pad);
  min-height: 100vh;
}

.event-detail-header {
  position: relative;
  padding: 4rem 0 3rem;
  overflow: hidden;
}

.event-detail-header::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--blue-glow) 0%, transparent 65%);
  filter: blur(80px);
  z-index: 0;
  pointer-events: none;
}

.event-detail-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  transition: color 0.3s;
}

.event-detail-breadcrumb:hover { color: var(--text-dim); }

.event-detail-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.event-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  position: relative;
  z-index: 1;
}

.event-detail-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.event-detail-meta-item svg {
  width: 16px;
  height: 16px;
  color: var(--blue);
  flex-shrink: 0;
}

.event-detail-body {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 2.5rem;
  margin-top: 3rem;
}

@media (max-width: 900px) {
  .event-detail-body { grid-template-columns: 1fr; }
}

/* Description */
.event-description {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
}

.event-description h2 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.event-description-content {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.8;
}

.event-description-content p { margin-bottom: 1rem; }

/* Sidebar */
.event-sidebar { display: flex; flex-direction: column; gap: 1.25rem; }

.sidebar-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
}

.sidebar-card-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

/* RSVP Panel */
.rsvp-panel {}

.rsvp-capacity {
  margin-bottom: 1.25rem;
}

.rsvp-capacity-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.rsvp-capacity-count {
  font-weight: 700;
  color: var(--text);
}

.rsvp-bar {
  height: 6px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
}

.rsvp-bar-fill {
  height: 100%;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--blue), #00a2ff);
  transition: width 1s var(--ease-out);
}

.rsvp-bar-fill.almost { background: linear-gradient(90deg, var(--yellow), #e8d820); }
.rsvp-bar-fill.full { background: linear-gradient(90deg, var(--red), #ff6b7a); }

.rsvp-status-display {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 10px;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.rsvp-status-display.confirmed {
  background: rgba(0, 182, 100, 0.08);
  border: 1px solid rgba(0, 182, 100, 0.2);
  color: var(--green);
}

.rsvp-status-display.waitlisted {
  background: rgba(252, 255, 32, 0.06);
  border: 1px solid rgba(252, 255, 32, 0.15);
  color: var(--yellow);
}

.rsvp-status-display.rsvped {
  background: rgba(0, 99, 215, 0.08);
  border: 1px solid rgba(0, 99, 215, 0.2);
  color: var(--blue);
}

.rsvp-actions { display: flex; flex-direction: column; gap: 0.75rem; }

.rsvp-actions .btn { justify-content: center; width: 100%; }

.rsvp-wave-info {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.75rem;
  line-height: 1.5;
}

/* Venue Card */
.venue-detail-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.venue-detail-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
  font-style: italic;
}

.venue-detail-address {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.6;
  white-space: pre-wrap;
  margin-bottom: 1rem;
}

.map-container {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 0.75rem;
}

.map-container iframe {
  width: 100%;
  height: 200px;
  border: 0;
  display: block;
}

.contact-info {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.contact-info a { color: var(--blue); }

/* ============================================
   FORMS (Login / Register)
   ============================================ */
.form-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7rem 1.25rem 3rem;
  position: relative;
  box-sizing: border-box;
}

.form-page::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--blue-glow) 0%, transparent 65%);
  filter: blur(80px);
  z-index: 0;
  pointer-events: none;
}

.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2.5rem;
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 1;
}

.form-logo {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
  color: var(--text);
}

.form-logo .hash { color: var(--blue); }

.form-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.form-subtitle {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.1rem;
}

/* Auto-style bare labels inside form groups (used by Django-rendered admin forms) */
.form-group > label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}

.form-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text);
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}

.form-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
}

.form-input::placeholder { color: var(--text-muted); }

/* form-control is an alias for form-input used by Django form widgets */
.form-control {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text);
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
  box-sizing: border-box;
}

.form-control:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
}

.form-control::placeholder { color: var(--text-muted); }

/* Styled select dropdowns — works for both .form-control and .form-input */
select.form-control,
select.form-input {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

select.form-control option,
select.form-input option {
  background: var(--card);
  color: var(--text);
}

/* Native date/datetime pickers — the built-in calendar icon renders dark-on-dark
   on this theme (and Safari ignores filter on the indicator), so draw our own
   icon and keep the real indicator clickable but invisible on top of it. */
input[type="date"].form-control,
input[type="datetime-local"].form-control {
  color-scheme: dark;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2'%3E%3C/rect%3E%3Cline x1='16' y1='2' x2='16' y2='6'%3E%3C/line%3E%3Cline x1='8' y1='2' x2='8' y2='6'%3E%3C/line%3E%3Cline x1='3' y1='10' x2='21' y2='10'%3E%3C/line%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 1.1rem;
  padding-right: 2.75rem;
}

input[type="date"].form-control::-webkit-calendar-picker-indicator,
input[type="datetime-local"].form-control::-webkit-calendar-picker-indicator {
  opacity: 0;
  cursor: pointer;
}

/* Compact select variant used in tables/inline forms */
select.form-control[style*="font-size: 0.78rem"],
select.form-control[style*="width: auto"] {
  padding: 0.3rem 2rem 0.3rem 0.5rem;
}

.form-error {
  font-size: 0.77rem;
  color: var(--red);
  margin-top: 0.35rem;
}

.form-submit {
  width: 100%;
  justify-content: center;
  margin-top: 1.5rem;
}

.form-footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.83rem;
  color: var(--text-muted);
}

.form-footer a { color: var(--blue); }
.form-footer a:hover { text-decoration: underline; }

/* ============================================
   PROFILE PAGE
   ============================================ */
.profile-page {
  padding-top: 7rem;
  padding-bottom: var(--section-pad);
  min-height: 100vh;
}

.profile-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), #00a2ff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
  border: 3px solid rgba(0, 99, 215, 0.3);
}

.profile-info h1 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.25rem;
}

.profile-email {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.profile-badges { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.tier-badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
}

.tier-core {
  background: rgba(0, 99, 215, 0.12);
  color: var(--blue);
  border: 1px solid rgba(0, 99, 215, 0.25);
}

.tier-regular {
  background: rgba(0, 182, 100, 0.1);
  color: var(--green);
  border: 1px solid rgba(0, 182, 100, 0.2);
}

.tier-newcomer {
  background: rgba(255,255,255,0.05);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 3rem;
}

.profile-stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}

.profile-stat-val {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.25rem;
}

.profile-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* RSVP history table */
.rsvp-table-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.rsvp-table-title {
  padding: 1.25rem 1.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.rsvp-table {
  width: 100%;
  border-collapse: collapse;
}

.rsvp-table th {
  padding: 0.75rem 1.5rem;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.rsvp-table td {
  padding: 1rem 1.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.rsvp-table tr:last-child td { border-bottom: none; }

.rsvp-table tr:hover td { background: rgba(255,255,255,0.02); }

.rsvp-table td:first-child { color: var(--text); font-weight: 500; }

.rsvp-table a { color: var(--blue); }
.rsvp-table a:hover { text-decoration: underline; }

/* Schedule table */
.schedule-section h2 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.schedule-wrap {
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
}

.schedule-table thead {
  background: rgba(255,255,255,0.02);
}

.schedule-table th {
  padding: 0.85rem 1.25rem;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.schedule-table td {
  padding: 1rem 1.25rem;
  font-size: 0.88rem;
  color: var(--text-dim);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  vertical-align: top;
}

.schedule-table tbody tr:last-child td {
  border-bottom: none;
}

.schedule-table tbody tr {
  transition: background 0.2s;
}

.schedule-table tbody tr:hover {
  background: rgba(255,255,255,0.02);
}

.schedule-time {
  white-space: nowrap;
}

.time-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blue);
  background: rgba(0, 99, 215, 0.1);
  border: 1px solid rgba(0, 99, 215, 0.2);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  white-space: nowrap;
}

.schedule-title {
  color: var(--text) !important;
  font-weight: 600;
  line-height: 1.4;
}

.schedule-title a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
}

.schedule-title a:hover {
  color: var(--blue);
}

.schedule-speaker {
  color: var(--text-dim);
  font-weight: 500;
}

.schedule-speaker::before {
  content: "🎤 ";
  font-size: 0.78rem;
}

.schedule-desc {
  line-height: 1.5;
  font-size: 0.83rem;
}

.schedule-links {
  white-space: nowrap;
  text-align: right;
}

.slides-link,
.edit-link {
  display: inline-block;
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
  font-size: 1rem;
  transition: background 0.2s;
  text-decoration: none;
}

.slides-link:hover,
.edit-link:hover {
  background: rgba(255,255,255,0.06);
}

/* ============================================
   MESSAGES (Flash)
   ============================================ */
.messages-container {
  position: fixed;
  top: 5.5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-width: 360px;
  width: calc(100% - 3rem);
}

.message {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.1rem;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  backdrop-filter: blur(12px);
  animation: slideIn 0.4s var(--ease-out) both;
  border: 1px solid;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

.message-success {
  background: rgba(0, 182, 100, 0.12);
  border-color: rgba(0, 182, 100, 0.25);
  color: var(--green);
}

.message-error {
  background: rgba(226, 16, 39, 0.12);
  border-color: rgba(226, 16, 39, 0.25);
  color: var(--red);
}

.message-info {
  background: rgba(0, 99, 215, 0.12);
  border-color: rgba(0, 99, 215, 0.25);
  color: #5ca8ff;
}

.message-warning {
  background: rgba(252, 255, 32, 0.08);
  border-color: rgba(252, 255, 32, 0.2);
  color: var(--yellow);
}

.message-close {
  background: none;
  border: none;
  color: inherit;
  opacity: 0.6;
  cursor: pointer;
  margin-left: auto;
  font-size: 1rem;
  padding: 0;
  flex-shrink: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: start;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand p {
  font-size: 0.83rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  max-width: 300px;
  line-height: 1.6;
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.footer-logo .hash { color: var(--blue); }

.footer-links {
  display: flex;
  gap: 3rem;
}

.footer-col h5 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
  padding: 0.2rem 0;
  transition: color 0.3s;
}

.footer-col a:hover { color: var(--text); }

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}

@media (max-width: 600px) {
  .footer-inner { flex-direction: column; }
  .footer-links { flex-direction: column; gap: 1.5rem; }
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-dim);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all 0.35s var(--ease);
  z-index: 999;
  backdrop-filter: blur(12px);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  box-shadow: 0 0 20px var(--blue-glow);
}

/* ============================================
   SCROLL REVEAL
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.reveal-stagger.visible > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.07s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.14s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.21s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.28s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.35s; }

/* ============================================
   SECTION DIVIDERS
   ============================================ */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0;
}

/* ============================================
   PAST EVENTS SECTION
   ============================================ */
.past-events-section {
  padding: 3rem 0 var(--section-pad);
}

.past-events-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.past-events-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ============================================
   MISC
   ============================================ */
.page-with-nav {
  padding-top: 5rem;
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  background: rgba(255,255,255,0.04);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

@media (max-width: 480px) {
  .hero-stats { gap: 2rem; }
  .event-detail-body { grid-template-columns: 1fr; }
  .profile-header { flex-direction: column; align-items: flex-start; }
}