/* =========================================================
   connect.gusti25.id — Digital Gateway / Signal Index
   Dark theme matches the confirmed theme-color of gusti25.id
   ========================================================= */

:root {
  /* ---- Dark (default — matches gusti25.id root) ---- */
  --bg: #080c14;
  --bg-glow: #0d1a2b;
  --surface: rgba(15, 24, 38, 0.55);
  --surface-solid: #0f1826;
  --border: rgba(148, 197, 255, 0.14);
  --border-strong: rgba(148, 197, 255, 0.32);
  --ink: #e7eef7;
  --ink-muted: #7c8ca6;
  --shadow: rgba(0, 0, 0, 0.55);

  --accent: #3fe0d0;
  --accent-soft: rgba(63, 224, 208, 0.14);
  --accent-contrast: #06131f;
  --accent-2: #9d8cff;
  --accent-2-soft: rgba(157, 140, 255, 0.14);
  --accent-2-contrast: #0b0a1f;

  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #eef3fa;
  --bg-glow: #ffffff;
  --surface: rgba(255, 255, 255, 0.6);
  --surface-solid: #ffffff;
  --border: rgba(15, 35, 60, 0.12);
  --border-strong: rgba(15, 35, 60, 0.26);
  --ink: #101826;
  --ink-muted: #55647a;
  --shadow: rgba(20, 30, 50, 0.14);

  --accent: #0a7a75;
  --accent-soft: rgba(10, 122, 117, 0.12);
  --accent-contrast: #f4fffe;
  --accent-2: #6c5ce7;
  --accent-2-soft: rgba(108, 92, 231, 0.12);
  --accent-2-contrast: #f7f5ff;

  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--bg);
  background-image: radial-gradient(ellipse 900px 500px at 50% -10%, var(--bg-glow) 0%, transparent 60%);
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease);
  padding: 2.5rem 1.25rem 4rem;
}

#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
a { color: inherit; }

/* ---------------- Header ---------------- */
.page-header { position: relative; margin-bottom: 1.75rem; }

.theme-toggle {
  position: absolute;
  top: -0.35rem;
  right: -0.35rem;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-solid);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 16px -4px var(--accent-soft); }
.theme-toggle:active { transform: scale(0.94); }
.theme-toggle .icon-sun { display: none; }
html[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
html[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

.header-panel {
  position: relative;
  background: var(--surface);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2.15rem 1.85rem 1.75rem;
  text-align: center;
  box-shadow: 0 30px 60px -32px var(--shadow);
  overflow: hidden;
}
.header-panel::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent-2), transparent);
  background-size: 200% 100%;
  animation: scan-sweep 6s linear infinite;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.cursor {
  display: inline-block;
  width: 0.5em;
  height: 0.95em;
  background: var(--accent);
  margin-left: 2px;
  vertical-align: -0.12em;
  animation: cursor-blink 1s step-end infinite;
}

.header-panel h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.85rem, 6vw, 2.6rem);
  letter-spacing: -0.01em;
  line-height: 1.1;
  background: linear-gradient(120deg, var(--ink) 45%, var(--accent) 115%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.role {
  margin: 0.6rem 0 0;
  font-size: 0.95rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.1rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
  box-shadow: 0 0 0 0 var(--accent-soft);
  animation: pulse-dot 2s ease-out infinite;
}

/* ---------------- Search ---------------- */
.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  margin-top: 1.75rem;
  padding: 0 0.85rem;
  background: var(--surface);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.search-wrap:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search-icon { flex: none; color: var(--ink-muted); }
#search-input {
  flex: 1;
  border: 0;
  background: transparent;
  outline: none;
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  padding: 0.85rem 0.7rem;
}
#search-input::placeholder { color: var(--ink-muted); opacity: 0.85; }

.search-clear {
  flex: none;
  width: 28px; height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}
.search-clear:hover { background: var(--accent); color: var(--accent-contrast); border-color: var(--accent); }

.search-status {
  margin: 0.6rem 0.25rem 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--ink-muted);
}

.empty-state {
  margin: 2rem 0.25rem 0;
  padding: 1.25rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--ink-muted);
  border: 1px dashed var(--border);
  border-radius: 12px;
}

/* ---------------- Sections ---------------- */
.link-section { margin-top: 2.1rem; }
.link-section[hidden] { display: none; }
.link-section[data-tone="cyan"] { --tab-color: var(--accent); --tab-soft: var(--accent-soft); --tab-contrast: var(--accent-contrast); }
.link-section[data-tone="violet"] { --tab-color: var(--accent-2); --tab-soft: var(--accent-2-soft); --tab-contrast: var(--accent-2-contrast); }

.section-title { margin: 0 0 0.85rem; display: flex; align-items: center; gap: 0.65rem; }
.tab-label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: var(--ink-muted);
}
.tab-label .slash { color: var(--tab-color); }
.section-rule { flex: 1; height: 1px; background: linear-gradient(90deg, var(--border), transparent); }

.cards { display: flex; flex-direction: column; gap: 0.65rem; }

/* ---------------- Link cards ---------------- */
.link-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.95rem 1.05rem;
  background: var(--surface);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--border);
  border-left: 2px solid var(--tab-color, var(--accent));
  border-radius: 6px 12px 12px 6px;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.link-card:hover {
  transform: translateY(-2px);
  border-color: var(--tab-color, var(--accent));
  box-shadow: 0 20px 40px -26px var(--shadow), 0 0 0 1px var(--tab-soft, var(--accent-soft)), 0 0 28px -10px var(--tab-soft, var(--accent-soft));
}
.link-card.is-primary {
  border-color: var(--tab-color, var(--accent));
  box-shadow: 0 0 0 1px var(--tab-soft, var(--accent-soft)), 0 0 34px -12px var(--tab-soft, var(--accent-soft));
}
.link-card[hidden] { display: none; }

.stretched-link { position: absolute; inset: 0; z-index: 1; border-radius: inherit; }
.stretched-link:focus-visible { outline: 2px solid var(--tab-color, var(--accent)); outline-offset: 2px; }

.card-icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 9px;
  color: var(--tab-color, var(--accent));
  background: var(--tab-soft, var(--accent-soft));
  transition: box-shadow 0.2s var(--ease);
}
.link-card:hover .card-icon { box-shadow: 0 0 16px -2px var(--tab-soft, var(--accent-soft)); }

.card-text { display: flex; flex-direction: column; min-width: 0; margin-right: auto; }
.card-title { font-weight: 600; font-size: 0.98rem; letter-spacing: -0.01em; }
.card-sub { font-size: 0.8rem; color: var(--ink-muted); margin-top: 0.15rem; }

.card-badge { flex: none; display: flex; align-items: center; gap: 0.4rem; }
.badge-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  color: var(--tab-contrast, var(--accent-contrast));
  background: var(--tab-color, var(--accent));
}
.badge-value {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  background: var(--tab-soft, var(--accent-soft));
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.5rem;
  white-space: nowrap;
}

.copy-btn {
  position: relative;
  z-index: 2;
  flex: none;
  width: 30px; height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  transition: background 0.15s var(--ease), color 0.15s var(--ease), border-color 0.15s var(--ease);
}
.copy-btn:hover, .copy-btn:focus-visible {
  background: var(--tab-color, var(--accent));
  color: var(--tab-contrast, var(--accent-contrast));
  border-color: var(--tab-color, var(--accent));
  outline: none;
}
.copy-btn .icon-check { display: none; }
.copy-btn.is-copied .icon-copy { display: none; }
.copy-btn.is-copied .icon-check { display: block; }
.copy-btn.is-copied { background: var(--tab-color, var(--accent)); border-color: var(--tab-color, var(--accent)); color: var(--tab-contrast, var(--accent-contrast)); }

/* ---------------- Footer ---------------- */
footer { text-align: center; margin-top: 3rem; font-size: 0.78rem; color: var(--ink-muted); }
footer p { margin: 0.25rem 0; }
footer .foot-mono { font-family: var(--font-mono); font-size: 0.72rem; }

/* ---------------- Toast ---------------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translate(-50%, 12px);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.05rem;
  background: var(--ink);
  color: var(--bg);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 999px;
  box-shadow: 0 18px 40px -16px var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  z-index: 10;
  max-width: calc(100vw - 2.5rem);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.toast svg { flex: none; color: var(--accent); }

/* ---------------- Keyframes ---------------- */
@keyframes scan-sweep {
  0% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}
@keyframes cursor-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 var(--accent-soft); }
  70% { box-shadow: 0 0 0 7px rgba(0, 0, 0, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 0, 0, 0); }
}

/* ---------------- Focus & motion ---------------- */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .link-card:hover { transform: none; }
  .cursor { opacity: 1; }
}

@media (max-width: 420px) {
  .theme-toggle { top: -0.15rem; right: -0.15rem; width: 38px; height: 38px; }
  .header-panel { padding: 2rem 1.25rem 1.5rem; }
  .link-card { padding: 0.85rem; gap: 0.65rem; }
  .card-icon { width: 34px; height: 34px; }
}