/* ============================================================
   SPARK — SaaS Idea Generator · Global Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Mono:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;1,9..144,300;1,9..144,400&display=swap');

/* ── Tokens ── */
:root {
  --bg:         #06060e;
  --surface:    #0d0d1a;
  --card:       #0b0b17;
  --border:     #1a1a2e;
  --border-hi:  #2a2a45;
  --accent:     #5b4cff;
  --accent-lo:  rgba(91,76,255,0.12);
  --amber:      #f0a500;
  --amber-lo:   rgba(240,165,0,0.1);
  --green:      #22d98a;
  --green-lo:   rgba(34,217,138,0.1);
  --red:        #ff5c5c;
  --red-lo:     rgba(255,92,92,0.1);
  --text:       #dcdcf0;
  --text-2:     #9090b0;
  --text-3:     #50506a;
  --radius:     14px;
  --radius-sm:  8px;
  --shadow:     0 4px 32px rgba(0,0,0,0.5);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Mono', monospace;
  font-weight: 300;
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Background effects ── */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(91,76,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,76,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
  opacity: 0.18;
}

.bg-orb-1 {
  width: 700px; height: 700px;
  background: var(--accent);
  top: -300px; left: -200px;
}

.bg-orb-2 {
  width: 500px; height: 500px;
  background: #ff2d6b;
  bottom: -200px; right: -100px;
}

.bg-orb-3 {
  width: 400px; height: 400px;
  background: var(--amber);
  top: 40%; left: 50%;
  transform: translateX(-50%);
  opacity: 0.06;
}

/* ── Layout ── */
.app-wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Navigation ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(6,6,14,0.85);
  border-bottom: 1px solid var(--border);
  padding: 0 2.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-icon {
  width: 28px; height: 28px;
  background: var(--accent);
  border-radius: 7px;
  display: grid;
  place-items: center;
  font-size: 14px;
}

.brand-name {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  color: var(--text);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}

.nav-link {
  text-decoration: none;
  color: var(--text-2);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  transition: all 0.18s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-link.active { color: var(--accent); background: var(--accent-lo); }

.nav-badge {
  background: var(--accent);
  color: white;
  border-radius: 10px;
  padding: 1px 6px;
  font-size: 0.6rem;
  font-weight: 500;
}

.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.18s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 0.65rem 1.5rem;
  box-shadow: 0 0 0 0 rgba(91,76,255,0.4);
}
.btn-primary:hover {
  background: #6d5fff;
  box-shadow: 0 0 24px rgba(91,76,255,0.35);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
  padding: 0.55rem 1rem;
}
.btn-ghost:hover {
  border-color: var(--border-hi);
  color: var(--text);
  background: rgba(255,255,255,0.03);
}

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.65rem; }
.btn-lg { padding: 0.85rem 2rem; font-size: 0.8rem; }

.btn-icon {
  width: 32px; height: 32px;
  padding: 0;
  border-radius: 7px;
}

/* ── Cards ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  border-color: var(--border-hi);
}

/* ── Form controls ── */
.select-wrap { position: relative; }
.select-wrap::after {
  content: '▾';
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  font-size: 0.7rem;
  pointer-events: none;
}

select, input, textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s;
  appearance: none;
}

select { padding: 0.6rem 2rem 0.6rem 0.85rem; cursor: pointer; }
input { padding: 0.6rem 0.85rem; }
textarea { padding: 0.75rem; resize: vertical; line-height: 1.6; }

select:focus, input:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(91,76,255,0.15);
}

label {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.4rem;
}

/* ── Tags ── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.22rem 0.55rem;
  border-radius: 4px;
  white-space: nowrap;
  font-family: 'DM Mono', monospace;
}

.tag-purple  { background: var(--accent-lo); color: #a99aff; border: 1px solid rgba(91,76,255,0.2); }
.tag-amber   { background: var(--amber-lo);  color: var(--amber); border: 1px solid rgba(240,165,0,0.2); }
.tag-green   { background: var(--green-lo);  color: var(--green); border: 1px solid rgba(34,217,138,0.2); }
.tag-red     { background: var(--red-lo);    color: var(--red);   border: 1px solid rgba(255,92,92,0.2); }
.tag-gray    { background: rgba(255,255,255,0.04); color: var(--text-2); border: 1px solid var(--border); }

/* ── Typography ── */
h1, h2, h3 {
  font-family: 'Syne', sans-serif;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.mono { font-family: 'DM Mono', monospace; }
.serif { font-family: 'Fraunces', serif; }

.eyebrow {
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--amber);
}

/* ── Spinner ── */
.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.anim-fade-up { animation: fadeUp 0.45s ease both; }
.anim-fade-in { animation: fadeIn 0.3s ease both; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-hi); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ── Divider ── */
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

/* ── Utility ── */
.text-muted { color: var(--text-2); }
.text-dim   { color: var(--text-3); }
.text-accent { color: var(--accent); }
.text-amber { color: var(--amber); }
.text-green { color: var(--green); }
.text-red   { color: var(--red); }

.flex   { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

.w-full { width: 100%; }
.mt-auto { margin-top: auto; }

/* ── Toast ── */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.1rem;
  font-size: 0.75rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: var(--shadow);
  animation: toastIn 0.3s ease both;
  max-width: 280px;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.toast-icon { font-size: 1rem; flex-shrink: 0; }

/* ── Progress/Meter ── */
.meter-track {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.8s cubic-bezier(0.34,1.56,0.64,1);
}

.meter-accent { background: var(--accent); }
.meter-green  { background: var(--green); }
.meter-amber  { background: var(--amber); }
.meter-red    { background: var(--red); }

/* ── Empty state ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 5rem 2rem;
  gap: 0.75rem;
}

.empty-icon {
  font-size: 2.5rem;
  opacity: 0.3;
  margin-bottom: 0.5rem;
}

.empty-state h3 {
  font-size: 1rem;
  color: var(--text-2);
  font-weight: 600;
}

.empty-state p {
  font-size: 0.75rem;
  color: var(--text-3);
  max-width: 260px;
}

/* ── Page sections ── */
.page-header {
  padding: 3rem 2.5rem 2rem;
  border-bottom: 1px solid var(--border);
}

.page-content {
  padding: 2.5rem;
  flex: 1;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  nav { padding: 0 1.25rem; gap: 1rem; }
  .page-header, .page-content { padding: 1.5rem; }
  .nav-link span { display: none; }
}