/* =========================================================
   Ignio Software — shared retrowave/synthwave theme
   Background & chrome are 80s neon; form controls stay
   clean/modern (bootstrap-esque) for actual usability.
   ========================================================= */

:root {
  --bg-deep: #150826;
  --bg-mid: #1f0f3d;
  --neon-pink: #ff2d95;
  --neon-cyan: #00fff5;
  --neon-purple: #b967ff;
  --neon-yellow: #ffe45e;
  --grid-line: rgba(0, 255, 245, 0.18);
  --text-main: #f2eefc;
  --text-muted: #b8a9d9;
  --card-bg: rgba(31, 15, 61, 0.72);
  --card-border: rgba(185, 103, 255, 0.35);
  --input-bg: #ffffff;
  --input-text: #1a1a2e;
  --input-border: #d6d1e8;
  --focus-ring: rgba(0, 255, 245, 0.45);
  --radius: 10px;
  --font-display: 'Press Start 2P', system-ui, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-deep);
  background-image:
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 45%, #2a0f4d 100%),
    repeating-linear-gradient(90deg, var(--grid-line) 0, var(--grid-line) 1px, transparent 1px, transparent 60px),
    repeating-linear-gradient(0deg, var(--grid-line) 0, var(--grid-line) 1px, transparent 1px, transparent 60px);
  background-blend-mode: normal;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

/* Neon "sun" glow behind hero sections */
.sun-glow {
  position: relative;
  overflow: hidden;
}

.sun-glow::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--neon-yellow) 0%, var(--neon-pink) 45%, transparent 70%);
  filter: blur(10px);
  opacity: 0.35;
  z-index: 0;
  pointer-events: none;
}

.sun-glow > * {
  position: relative;
  z-index: 1;
}

a {
  color: var(--neon-cyan);
  text-decoration: none;
}

a:hover {
  color: var(--neon-pink);
  text-decoration: underline;
}

/* ---------- Header / Nav ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--card-border);
  background: rgba(21, 8, 38, 0.85);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--neon-cyan);
  text-shadow: 0 0 6px var(--neon-cyan), 0 0 14px rgba(0, 255, 245, 0.5);
  letter-spacing: 1px;
}

.brand:hover {
  color: var(--neon-pink);
  text-decoration: none;
  text-shadow: 0 0 6px var(--neon-pink), 0 0 14px rgba(255, 45, 149, 0.5);
}

.brand span {
  color: var(--neon-pink);
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.site-nav a {
  color: var(--text-main);
}

.site-nav a:hover {
  color: var(--neon-pink);
}

/* ---------- Layout helpers ---------- */

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

main {
  flex: 1;
}

.hero {
  text-align: center;
  padding: 4rem 1.5rem 3rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.6;
  margin: 0 0 1rem;
  color: var(--text-main);
  text-shadow: 0 0 8px rgba(185, 103, 255, 0.6);
}

.hero h1 .accent {
  color: var(--neon-pink);
}

.hero p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ---------- Tool cards (landing grid) ---------- */

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  padding: 1rem 0 4rem;
}

.tool-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.tool-card:hover {
  transform: translateY(-3px);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 255, 245, 0.15);
}

.tool-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.tool-card h3 a {
  color: var(--text-main);
}

.tool-card h3 a:hover {
  color: var(--neon-cyan);
  text-decoration: none;
}

.tool-card p {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.tool-tag {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 45, 149, 0.15);
  color: var(--neon-pink);
  border: 1px solid rgba(255, 45, 149, 0.35);
}

.tool-card.coming-soon {
  opacity: 0.55;
}

.tool-card.coming-soon .tool-tag {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  border-color: rgba(255, 255, 255, 0.15);
}

/* ---------- Tool page shell ---------- */

.tool-page {
  padding: 2.5rem 1.5rem 4rem;
}

.tool-page-header {
  text-align: center;
  margin-bottom: 2rem;
}

.tool-page-header h1 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 0.75rem;
  text-shadow: 0 0 8px rgba(0, 255, 245, 0.5);
}

.tool-page-header p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* ---------- Cards / panels (modern, functional) ---------- */

.panel {
  background: #ffffff;
  color: var(--input-text);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  max-width: 640px;
  margin: 0 auto 2rem;
}

.panel h2 {
  margin-top: 0;
  font-size: 1.1rem;
  color: #1a1a2e;
}

/* ---------- Form controls (bootstrap-esque) ---------- */

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

.form-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.form-row .form-group {
  flex: 1 1 200px;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: #4a3f66;
}

input[type="text"],
input[type="number"],
select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--input-text);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

/* ---------- Result summary highlight (for "big number" results) ---------- */

.results td.value.big {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--neon-purple);
}

.help-text {
  font-size: 0.78rem;
  color: #7a6f96;
  margin-top: 0.3rem;
}

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.65rem 1.4rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  transition: filter 0.15s ease, transform 0.1s ease;
}

.btn:hover {
  filter: brightness(1.1);
}

.btn:active {
  transform: translateY(1px);
}

.btn-secondary {
  background: #eee7fb;
  color: #4a3f66;
}

.error-message {
  display: none;
  background: #ffe9ee;
  color: #b3123f;
  border: 1px solid #f7b8c9;
  border-radius: 6px;
  padding: 0.65rem 0.9rem;
  font-size: 0.88rem;
  margin-top: 1rem;
}

.error-message.visible {
  display: block;
}

/* ---------- Results table ---------- */

.results {
  margin-top: 1.5rem;
  border-top: 1px solid #eee5fa;
  padding-top: 1.25rem;
}

.results table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.results td {
  padding: 0.5rem 0.25rem;
  border-bottom: 1px solid #f1ecfa;
}

.results td.label {
  color: #7a6f96;
  width: 45%;
}

.results td.value {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-weight: 600;
  color: #1a1a2e;
}

.results.hidden {
  display: none;
}

/* ---------- Footer ---------- */

.site-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--card-border);
}

.site-footer a {
  color: var(--text-muted);
}

.site-footer a:hover {
  color: var(--neon-cyan);
}

/* ---------- Responsive ---------- */

@media (max-width: 600px) {
  .site-header {
    padding: 1rem 1.25rem;
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero h1 {
    font-size: 1.2rem;
  }

  .panel {
    padding: 1.25rem;
  }
}