/* ============================================================
   Vaape.ai — MAIN DESIGN SYSTEM v2.0
   Theme: Midnight Black × Electric Lime
   ⚡ Dark Mode Only — Premium Startup Fintech
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ─── CSS VARIABLES ─────────────────────────────────────────── */
:root {
  /* Core colors */
  --black:          #080808;
  --black-2:        #0D0D0D;
  --black-3:        #111111;
  --black-4:        #161616;
  --black-5:        #1C1C1C;
  --black-6:        #242424;

  /* Borders */
  --border:         #222222;
  --border-hover:   #333333;
  --border-bright:  #444444;

  /* Text */
  --text-primary:   #FFFFFF;
  --text-secondary: #A0A0A0;
  --text-muted:     #5A5A5A;
  --text-dim:       #3A3A3A;

  /* Accent — Electric Lime */
  --lime:           #CAFF00;
  --lime-dim:       #A8D400;
  --lime-glow:      rgba(202,255,0,0.15);
  --lime-border:    rgba(202,255,0,0.3);

  /* Legacy aliases — ensures older components using var(--purple) display in Lime theme */
  --purple:         #CAFF00;
  --purple-light:   #D8FF33;
  --purple-dim:     rgba(202,255,0,0.15);
  --teal:           #2DD4BF;
  --teal-dim:       rgba(45,212,191,0.15);
  --orange:         #F59E0B;

  /* Semantic */
  --success:        #22C55E;
  --error:          #EF4444;
  --warning:        #F59E0B;
  --info:           #3B82F6;

  /* Gold for money vibe */
  --gold:           #FFB800;
  --gold-dim:       rgba(255,184,0,0.15);

  /* BG alias */
  --bg-primary:     var(--black);
  --bg-secondary:   var(--black-2);
  --bg-card:        var(--black-3);
  --bg-card-hover:  var(--black-4);
  --bg-elevated:    var(--black-5);

  /* Typography */
  --font-sans:   'Inter', -apple-system, sans-serif;
  --font-display:'Space Grotesk', 'Inter', sans-serif;

  /* Spacing */
  --space-xs:   4px;
  --space-sm:   8px;
  --space-md:   16px;
  --space-lg:   24px;
  --space-xl:   32px;
  --space-2xl:  48px;
  --space-3xl:  64px;

  /* Radius — sharper for startup feel */
  --radius-sm:    4px;
  --radius-md:    8px;
  --radius-lg:    12px;
  --radius-xl:    16px;
  --radius-2xl:   24px;
  --radius-full:  9999px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.5);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.6);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.8);
  --shadow-lime: 0 0 24px rgba(202,255,0,0.2), 0 0 48px rgba(202,255,0,0.08);
  --shadow-gold: 0 0 24px rgba(255,184,0,0.2);

  /* Transitions */
  --transition:      all 0.15s ease;
  --transition-slow: all 0.3s ease;
}

/* ─── RESET ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}
body {
  background-color: var(--black);
  color: var(--text-primary);
  font-family: var(--font-sans);
  overscroll-behavior: none;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--lime); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--lime-dim); }
img { display: block; max-width: 100%; }
button { font-family: inherit; }
input, textarea, select {
  font-family: inherit;
  color: var(--text-primary);
}

/* ─── TYPOGRAPHY ────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.text-xs     { font-size: 0.75rem; }
.text-sm     { font-size: 0.85rem; }
.text-muted  { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-lime   { color: var(--lime); }
.text-gold   { color: var(--gold); }
.text-success{ color: var(--success); }
.text-error  { color: var(--error); }
.text-center { text-align: center; }
.font-bold   { font-weight: 700; }
.font-black  { font-weight: 900; }

/* ─── UTILITY ───────────────────────────────────────────────── */
.container    { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-xl); }
.container-sm { max-width: 800px;  margin: 0 auto; padding: 0 var(--space-xl); }
.container-xs { max-width: 540px;  margin: 0 auto; padding: 0 var(--space-xl); }
.section      { padding: var(--space-3xl) 0; }
.mb-xl        { margin-bottom: var(--space-xl); }
.mb-lg        { margin-bottom: var(--space-lg); }
.mb-md        { margin-bottom: var(--space-md); }

/* Grid */
.grid-2    { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.grid-3    { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.grid-4    { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--space-lg); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4, .grid-auto { grid-template-columns: 1fr; }
}

/* ─── BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.87rem;
  font-weight: 600;
  font-family: var(--font-display);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
  letter-spacing: 0.01em;
  text-decoration: none;
}
.btn-sm  { padding: 7px 14px; font-size: 0.8rem; }
.btn-lg  { padding: 14px 28px; font-size: 0.95rem; }
.btn-xl  { padding: 16px 32px; font-size: 1rem; }
.btn-full{ width: 100%; }
.btn-icon{ padding: 9px; width: 38px; height: 38px; border-radius: var(--radius-md); }

/* Primary = Lime */
.btn-primary {
  background: var(--lime);
  color: #000000;
  border-color: var(--lime);
  font-weight: 700;
}
.btn-primary:hover {
  background: #D8FF26;
  color: #000;
  box-shadow: var(--shadow-lime);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

/* Ghost / Outline */
.btn-ghost, .btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-ghost:hover, .btn-outline:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: var(--black-4);
}

/* White outline */
.btn-white {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-bright);
}
.btn-white:hover {
  background: var(--black-5);
  border-color: var(--text-secondary);
}

/* Danger */
.btn-danger {
  background: rgba(239,68,68,0.1);
  color: #f87171;
  border-color: rgba(239,68,68,0.3);
}
.btn-danger:hover { background: rgba(239,68,68,0.2); }

/* ─── BADGES ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-lime   { background: var(--lime-glow); border: 1px solid var(--lime-border); color: var(--lime); }
.badge-gold   { background: var(--gold-dim);  border: 1px solid rgba(255,184,0,0.3); color: var(--gold); }
.badge-white  { background: rgba(255,255,255,0.08); border: 1px solid var(--border); color: var(--text-secondary); }
.badge-red    { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #f87171; }
.badge-green  { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #4ade80; }

/* Keep legacy aliases */
.badge-teal   { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #4ade80; }
.badge-purple { background: var(--lime-glow); border: 1px solid var(--lime-border); color: var(--lime); }
.badge-orange { background: var(--gold-dim);  border: 1px solid rgba(255,184,0,0.3); color: var(--gold); }

/* ─── CARD ──────────────────────────────────────────────────── */
.card {
  background: var(--black-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: var(--transition);
}
.card:hover { border-color: var(--border-hover); }
.card-flat  { background: var(--black-4); border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-md); }
.card-elevated { background: var(--black-5); border: 1px solid var(--border-hover); border-radius: var(--radius-xl); padding: var(--space-xl); }

/* ─── FORMS ─────────────────────────────────────────────────── */
.form-group   { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-input {
  width: 100%;
  background: var(--black-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  transition: var(--transition);
  outline: none;
}
.form-input:focus {
  border-color: var(--lime);
  background: var(--black-3);
  box-shadow: 0 0 0 3px rgba(202,255,0,0.08);
}
.form-input::placeholder { color: var(--text-muted); }
.form-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; display: block; }

.form-select {
  width: 100%;
  padding: 11px 36px 11px 14px;
  background: var(--black-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  transition: var(--transition);
  cursor: pointer;
  appearance: none;
  outline: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235A5A5A' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
.form-select:focus { border-color: var(--lime); }

/* ─── MODAL ─────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--black-3);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  width: 100%; max-width: 520px;
  position: relative;
  max-height: 90vh; overflow-y: auto;
}
.modal-title { font-size: 1.2rem; font-weight: 700; margin-bottom: var(--space-lg); }
.modal-close {
  position: absolute; top: var(--space-md); right: var(--space-md);
  background: var(--black-5); border: 1px solid var(--border);
  color: var(--text-muted); width: 32px; height: 32px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 0.9rem; transition: var(--transition);
}
.modal-close:hover { color: var(--text-primary); border-color: var(--border-hover); }

/* ─── AVATAR ────────────────────────────────────────────────── */
.avatar {
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--border);
}
.avatar-xs  { width: 28px; height: 28px; }
.avatar-sm  { width: 36px; height: 36px; }
.avatar-md  { width: 48px; height: 48px; }
.avatar-lg  { width: 64px; height: 64px; }
.avatar-xl  { width: 96px; height: 96px; }

/* ─── PROGRESS ──────────────────────────────────────────────── */
.progress {
  height: 6px;
  background: var(--black-5);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: var(--lime);
  border-radius: var(--radius-full);
  transition: width 0.6s ease;
  box-shadow: 0 0 8px rgba(202,255,0,0.4);
}

/* ─── TOAST ─────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  display: flex; flex-direction: column;
  gap: var(--space-sm);
  z-index: 9999;
}
.toast {
  display: flex; align-items: flex-start; gap: var(--space-sm);
  background: var(--black-4);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  min-width: 280px; max-width: 360px;
  box-shadow: var(--shadow-lg);
  animation: slideRight 0.25s ease;
}
.toast.success { border-left: 3px solid var(--lime); }
.toast.error   { border-left: 3px solid var(--error); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.info    { border-left: 3px solid var(--info); }
.toast-icon    { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.toast-text    { flex: 1; }
.toast-title   { font-weight: 700; font-size: 0.87rem; }
.toast-msg     { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }
@keyframes slideRight { from { opacity:0; transform: translateX(20px); } to { opacity:1; transform: none; } }

/* ─── STAT CARDS ─────────────────────────────────────────────── */
.stat-card {
  background: var(--black-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: var(--transition-slow);
}
.stat-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--lime), transparent);
  opacity: 0;
  transition: var(--transition);
}
.stat-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.stat-card:hover::after { opacity: 1; }
.stat-value  { font-size: 2rem; font-weight: 800; font-family: var(--font-display); letter-spacing: -0.03em; }
.stat-label  { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 6px; font-weight: 600; }
.stat-icon   { font-size: 1.4rem; margin-bottom: var(--space-md); }

/* ─── EMPTY STATE ────────────────────────────────────────────── */
.empty-state { text-align: center; padding: var(--space-3xl) var(--space-xl); }
.empty-state-icon  { font-size: 3rem; margin-bottom: var(--space-md); opacity: 0.4; }
.empty-state-title { font-size: 1.1rem; font-weight: 700; margin-bottom: var(--space-sm); }
.empty-state-desc  { font-size: 0.87rem; color: var(--text-muted); max-width: 320px; margin: 0 auto; }

/* ─── SECTION LABELS ─────────────────────────────────────────── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lime);
  background: var(--lime-glow);
  border: 1px solid var(--lime-border);
  border-radius: var(--radius-full);
  padding: 5px 14px;
  margin-bottom: var(--space-lg);
}
.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}
.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.7;
}

/* ─── FLASH ──────────────────────────────────────────────────── */
.flash-msg {
  display: flex; align-items: center; gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  font-size: 0.87rem; font-weight: 500; border-radius: var(--radius-md);
}
.flash-msg.error   { background: rgba(239,68,68,0.08);  border: 1px solid rgba(239,68,68,0.2);  color: #fca5a5; border-left: 3px solid var(--error); }
.flash-msg.success { background: rgba(202,255,0,0.06);  border: 1px solid var(--lime-border); color: var(--lime); border-left: 3px solid var(--lime); }
.flash-msg.warning { background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.2); color: #fbbf24; border-left: 3px solid var(--warning); }

/* ─── FORUM ACTION BUTTON ────────────────────────────────────── */
.forum-action-btn {
  display: inline-flex; align-items: center; gap: 5px;
  background: none; border: none;
  color: var(--text-muted); font-size: 0.82rem;
  cursor: pointer; padding: 5px 10px;
  border-radius: var(--radius-sm); transition: var(--transition);
}
.forum-action-btn:hover { color: var(--text-primary); background: var(--black-5); }
.forum-action-btn.liked { color: var(--lime); }

/* ─── NAV BADGE ──────────────────────────────────────────────── */
.nav-badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 18px; height: 18px;
  background: var(--lime); color: #000;
  font-size: 0.65rem; font-weight: 800;
  border-radius: var(--radius-full);
  padding: 0 5px;
}

/* ─── SPINNER ────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid rgba(0,0,0,0.2);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}
.spinner.spinner-lg { width: 48px; height: 48px; border-width: 3px; border-color: var(--border); border-top-color: var(--lime); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── SCROLL (Hidden globally, keeping functional scroll) ─────── */
* {
  scrollbar-width: none !important; /* Firefox */
  -ms-overflow-style: none !important; /* IE and Edge */
}
*::-webkit-scrollbar {
  display: none !important; /* Chrome, Safari, Opera */
}

/* ─── SELECTION ──────────────────────────────────────────────── */
::selection { background: rgba(202,255,0,0.2); color: var(--text-primary); }