/* =========================================================
   ADNOC Feed Blend Digital Twin — Single-Page Dashboard View
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #0E1418;
  --panel: #151D23;
  --panel-alt: #1B252C;
  --border: #253138;
  --steel: #4FA6D8;
  --warn: #E0A63C;
  --good: #4CC38A;
  --bad: #E0603C;
  --text-hi: #EAF1F5;
  --text-lo: #8CA0AB;
  --radius: 6px;
}

* { box-sizing: border-box; }

html, body {
  height: 100vh;
  margin: 0;
  overflow: hidden; /* Lock page to single screen viewport */
}

body {
  background: var(--bg);
  background-image:
    linear-gradient(180deg, rgba(79,166,216,0.04), transparent 240px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.012) 0px, rgba(255,255,255,0.012) 1px, transparent 1px, transparent 34px);
  color: var(--text-hi);
  font-family: 'Space Grotesk', sans-serif;
  display: flex;
  flex-direction: column;
}

/* ---------------- HIGHLIGHT STYLING FOR USER INPUTS ---------------- */
input.has-value, textarea.has-value {
  background-color: rgba(79, 166, 216, 0.12) !important;
  border-color: var(--steel) !important;
  color: #ffffff !important;
  box-shadow: 0 0 4px rgba(79, 166, 216, 0.4);
}

/* ---------------- TOPBAR ---------------- */
.topbar {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(14,20,24,0.92);
  height: 48px;
  flex-shrink: 0;
}
.brand { display: flex; align-items: center; gap: 8px; }
.brand-mark {
  font-size: 16px;
  color: var(--steel);
  border: 1px solid var(--border);
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  background: var(--panel-alt);
}
.brand-title { font-weight: 600; font-size: 14px; }
.brand-sub { font-size: 10px; color: var(--text-lo); }
.feed-switch { display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.feed-btn {
  background: var(--panel);
  color: var(--text-lo);
  border: none;
  padding: 4px 12px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  cursor: pointer;
}
.feed-btn + .feed-btn { border-left: 1px solid var(--border); }
.feed-btn.active { background: var(--steel); color: #04141C; font-weight: 600; }

/* ---------------- MODE TABS (Manual / Simulator) ---------------- */
.mode-tabs {
  display: flex;
  gap: 2px;
  padding: 0 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(14,20,24,0.92);
  flex-shrink: 0;
}
.mode-tab-btn {
  background: transparent;
  color: var(--text-lo);
  border: none;
  border-bottom: 2px solid transparent;
  padding: 8px 16px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
  letter-spacing: 0.3px;
}
.mode-tab-btn:hover { color: var(--text-hi); }
.mode-tab-btn.active { color: var(--steel); border-bottom-color: var(--steel); }

/* ---------------- HIDDEN (mode-dependent visibility) ---------------- */
.hidden { display: none !important; }

/* ---------------- LAYOUT ---------------- */
.layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 12px;
  padding: 10px 14px;
  flex: 1;
  min-height: 0; 
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  min-height: 0; 
  overflow: hidden;
}

.panel-head {
  margin-bottom: 8px;
  flex-shrink: 0;
}
.panel-head-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.panel-head h2 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-lo);
  margin: 0;
  font-weight: 600;
}

/* ---------------- BUTTONS ---------------- */
.btn {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 11px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 4px 8px;
  cursor: pointer;
  background: var(--panel-alt);
  color: var(--text-hi);
}
.btn:hover { border-color: var(--steel); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--text-lo); }
.btn.accent { background: var(--steel); color: #04141C; border-color: var(--steel); }
.btn.primary { background: var(--good); color: #04241A; border-color: var(--good); }
.btn.big { padding: 6px 16px; font-size: 12px; }
.gen-actions { display: flex; gap: 4px; align-items: center; }
.gen-buttons-group { display: inline-flex; gap: 4px; align-items: center; }
.action-sep { width: 1px; height: 14px; background: var(--border); margin: 0 2px; }
.btn.ghost.danger { color: var(--bad); }
.btn.small { padding: 2px 6px; font-size: 10px; }

/* ---------------- RATIO ROW ---------------- */
.ratio-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 6px;
  margin-bottom: 4px;
  flex-shrink: 0;
}
.ratio-field {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 8px;
}
.ratio-field label {
  display: block;
  font-size: 9px;
  color: var(--text-lo);
  text-transform: uppercase;
}
.ratio-field input {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--steel);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  outline: none;
  border-radius: 2px;
}
.ratio-total {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  margin-bottom: 6px;
  color: var(--text-lo);
  flex-shrink: 0;
}
.ratio-total.ok { color: var(--good); }
.ratio-total.bad { color: var(--bad); }

/* ---------------- STREAMS CONTAINER ---------------- */
.streams {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}
.stream-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
}
.stream-head {
  background: var(--panel-alt);
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--border);
}
.stream-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--steel); }
.stream-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 1px;
  background: var(--border);
}
.prop-field {
  background: var(--panel);
  padding: 3px 6px;
}
.prop-field label {
  display: block;
  font-size: 8px;
  color: var(--text-lo);
  text-transform: uppercase;
}
.prop-field input {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-hi);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  outline: none;
  border-radius: 2px;
}

/* ---------------- PREDICT ROW ---------------- */
.predict-row {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.status-text { font-size: 11px; color: var(--text-lo); font-family: 'IBM Plex Mono', monospace; }
.status-text.error { color: var(--bad); }
.status-text.ok { color: var(--good); }

/* ---------------- RESULTS PANEL ---------------- */
.results-panel {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.results-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 4px;
  margin-top: 4px;
}
.results-head:first-child { margin-top: 0; }
.results-head h2 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.8px;
  color: var(--text-lo); margin: 0; font-weight: 600;
}
.session-id { font-size: 9px; color: var(--text-lo); font-family: 'IBM Plex Mono', monospace; }
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(105px, 1fr));
  gap: 6px;
  margin-bottom: 6px;
}
.result-card {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 6px;
}
.result-card label {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: var(--text-lo);
  text-transform: uppercase;
  margin-bottom: 2px;
}
.result-card input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px dashed var(--border);
  color: var(--warn);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  outline: none;
  border-radius: 2px;
}

.predicted-value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-hi);
}

.text-inputs-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 6px;
}
.field-group label {
  display: block;
  font-size: 9px;
  color: var(--text-lo);
  text-transform: uppercase;
  margin-bottom: 2px;
}
.field-group textarea {
  width: 100%;
  height: 38px;
  resize: none;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-hi);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  padding: 4px 6px;
  outline: none;
}

.submit-row { display: flex; align-items: center; gap: 8px; margin-top: 4px; }

/* ---------------- IMPUTED BLOCK ---------------- */
.imputed-block {
  border: 1px solid rgba(224,166,60,0.35);
  background: rgba(224,166,60,0.05);
  border-radius: 6px;
  padding: 6px;
  margin-top: 10px;
}
.imputed-head {
  font-size: 10px;
  color: var(--warn);
  font-weight: 600;
  margin-bottom: 4px;
}

/* ---------------- ERROR (Actual vs Predicted) BLOCK ---------------- */
.error-head h2 { color: var(--warn); }
.error-sub {
  font-weight: 400;
  font-size: 9px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-lo);
  margin-left: 4px;
}
.error-card { border-color: rgba(224,166,60,0.25); }
.error-value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-lo);
}
.error-value.ok { color: var(--good); }
.error-value.bad { color: var(--bad); }

/* ---------------- TOAST ---------------- */
.toast {
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--panel-alt);
  border: 1px solid var(--border);
  color: var(--text-hi);
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 11px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 50;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { border-color: var(--bad); color: var(--bad); }
.toast.ok { border-color: var(--good); color: var(--good); }