/* ============================================================
   KGS Landslide Monitoring — Splash Modal
   Matches dashboard dark earthy theme
   ============================================================ */

/* ─── Overlay ────────────────────────────────────────────────── */
#splash-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(8, 14, 11, 0.88);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: splash-fade-in 0.5s ease both;
}

#splash-overlay.splash-hiding {
  animation: splash-fade-out 0.4s ease both;
}

@keyframes splash-fade-in  { from { opacity: 0; } to { opacity: 1; } }
@keyframes splash-fade-out { from { opacity: 1; } to { opacity: 0; } }

/* ─── Modal ──────────────────────────────────────────────────── */
#splash-modal {
  background: #181f1c;
  border: 1px solid rgba(140, 195, 160, 0.22);
  border-radius: 10px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(94,196,127,0.08);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(140,195,160,0.2) transparent;
  animation: splash-rise 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: 0.05s;
}

@keyframes splash-rise {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)    scale(1);    }
}

/* ─── Header ─────────────────────────────────────────────────── */
#splash-header {
  padding: 32px 36px 24px;
  border-bottom: 1px solid rgba(140, 195, 160, 0.15);
  background: linear-gradient(160deg, #0d1f3c 0%, #131c18 60%);
  border-radius: 10px 10px 0 0;
  position: relative;
  overflow: hidden;
}

/* subtle topographic texture lines */
#splash-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -35deg,
    transparent,
    transparent 28px,
    rgba(94,196,127,0.035) 28px,
    rgba(94,196,127,0.035) 29px
  );
  pointer-events: none;
}

.splash-logo-row {
  margin-bottom: 20px;
}

.splash-logo {
  height: 38px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.splash-tag {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #5ec47f;
  margin-bottom: 10px;
}

#splash-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: #f0f5f2;
  line-height: 1.2;
  margin-bottom: 10px;
  position: relative;
}

.splash-subtitle {
  font-size: 14px;
  color: #b6d1c2;
  line-height: 1.55;
  max-width: 480px;
  position: relative;
}

.splash-subtitle a {
  color: #b6d1c2;
  text-decoration: underline;
}
.splash-subtitle a:hover {
  color: #5ec47f;
  text-decoration: none;
}
/* ─── Body ───────────────────────────────────────────────────── */
#splash-body {
  padding: 24px 36px;
}

/* ─── Info Cards Grid ────────────────────────────────────────── */
.splash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

.splash-card {
  background: #1e2b26;
  border: 1px solid rgba(140, 195, 160, 0.15);
  border-radius: 7px;
  padding: 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  transition: border-color 0.2s;
}

.splash-card:hover {
  border-color: rgba(140, 195, 160, 0.32);
}

.splash-card-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  color: var(--accent-green);
  margin-top: 1px;
}

.splash-card-icon svg { width: 100%; height: 100%; }

.splash-card-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.splash-card-text strong {
  font-size: 12px;
  font-weight: 600;
  color: #e8f2ec;
  line-height: 1.3;
}

.splash-card-text span {
  font-size: 11.5px;
  color:var(--text-secondary)
  line-height: 1.5;
}

/* ─── How to Read section ────────────────────────────────────── */
.splash-how {
  background: #1e2b26;
  border: 1px solid rgba(140, 195, 160, 0.15);
  border-radius: 7px;
  padding: 14px 16px;
  margin-bottom: 16px;
}

.splash-how-title {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary)
  margin-bottom: 12px;
}

.splash-swatch-row {
  display: flex;
  gap: 3px;
  margin-bottom: 5px;
}

.swatch {
  flex: 1;
  height: 10px;
  border-radius: 3px;
}

.splash-swatch-labels {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  font-family: 'DM Mono', monospace;
  color: var(--text-secondary)
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.splash-how p {
  font-size: 12px;
  color: var(--text-secondary)
  line-height: 1.55;
}

/* ─── Footer note ────────────────────────────────────────────── */
.splash-footer-note {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.5;
  text-align: center;
}

.splash-footer-note a {
  color:  var(--text-primary);
  text-decoration: none;
}

.splash-footer-note a:hover {
  color:  var(--accent-green);
  text-decoration: underline;
}

/* ─── Actions ────────────────────────────────────────────────── */
#splash-actions {
  padding: 16px 36px 28px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

#splash-close {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  background: var(--accent-green);
  color: #0a1a10;
  border: none;
  border-radius: 6px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  letter-spacing: 0.01em;
}

#splash-close svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s;
}

#splash-close:hover {
  background: #6ed48f;
  transform: translateY(-1px);
}

#splash-close:hover svg { transform: translateX(3px); }

#splash-close:focus-visible {
  outline: 2px solid #5ec47f;
  outline-offset: 3px;
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 580px) {
  #splash-header  { padding: 24px 22px 20px; }
  #splash-body    { padding: 18px 22px; }
  #splash-actions { padding: 0 22px 22px; }
  #splash-title   { font-size: 22px; }
  .splash-grid    { grid-template-columns: 1fr; }
  #splash-close   { width: 100%; justify-content: center; }
}