/* ==========================================================================
   PROJECT 01 • OLIV.AI ENTERPRISE SAAS PRODUCT ARCHITECTURE
   Designer: Sohaib Ahmer
   Features: Linear/Stripe Grade Surface Lit & Translucent Border Glow Engine
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:ital,wght@0,400;0,500;0,600;1,400&display=swap');

:root {
  /* Default Obsidian Dark Mode */
  --bg-canvas: #070A12;
  --bg-surface: #0F1523;
  --bg-surface-hover: #172033;
  --bg-card: rgba(15, 21, 35, 0.75);
  --bg-subcard: rgba(255, 255, 255, 0.02);
  --bg-subcard-hover: rgba(255, 255, 255, 0.05);
  --bg-quote: rgba(0, 0, 0, 0.35);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(94, 92, 230, 0.35);
  --border-focus: #5E5CE6;
  
  --accent-brand: #5E5CE6;
  --accent-brand-subtle: rgba(94, 92, 230, 0.15);
  --accent-brand-glow: rgba(94, 92, 230, 0.25);
  --accent-cyan: #0A84FF;
  
  --semantic-emerald: #30D158;
  --semantic-amber: #FFD60A;
  --semantic-rose: #FF453A;

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-tertiary: #64748B;
  --text-muted: #475569;

  --font-heading: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  
  --shadow-subtle: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 12px 32px rgba(94, 92, 230, 0.22);
  --shadow-modal: 0 30px 80px rgba(0, 0, 0, 0.9);
  --overlay-bg: rgba(0, 0, 0, 0.76);
}

/* PRISTINE CRISP HIGH-CONTRAST LIGHT MODE */
:root[data-theme="light"] {
  --bg-canvas: #F6F8FA;
  --bg-surface: #FFFFFF;
  --bg-surface-hover: #F1F4F9;
  --bg-card: #FFFFFF;
  --bg-subcard: #F8FAFC;
  --bg-subcard-hover: #F1F5F9;
  --bg-quote: #F1F5F9;

  --border-subtle: #E2E8F0;
  --border-medium: rgba(94, 92, 230, 0.4);
  --border-focus: #5E5CE6;

  --accent-brand: #4F46E5;
  --accent-brand-subtle: rgba(79, 70, 229, 0.1);
  --accent-brand-glow: rgba(79, 70, 229, 0.18);
  --accent-cyan: #0284C7;

  --semantic-emerald: #16A34A;
  --semantic-amber: #D97706;
  --semantic-rose: #DC2626;

  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-tertiary: #64748B;
  --text-muted: #94A3B8;

  --shadow-subtle: 0 10px 25px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 12px 32px rgba(79, 70, 229, 0.16);
  --shadow-modal: 0 30px 80px rgba(15, 23, 42, 0.3);
  --overlay-bg: rgba(15, 23, 42, 0.6);
}

/* BASE RESET */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* BACKGROUND LIGHTING & DYNAMIC CANVAS */
#dynamic-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

.ambient-bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  transition: transform 0.2s ease-out;
}

.orb-1 {
  top: -10%;
  left: 15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(94, 92, 230, 0.3) 0%, rgba(0,0,0,0) 70%);
}

.orb-2 {
  bottom: 10%;
  right: 15%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(10, 132, 255, 0.2) 0%, rgba(0,0,0,0) 70%);
}

/* MINIMALIST GLASS HEADER */
.minimal-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 36px;
  background: rgba(15, 21, 35, 0.75);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color 0.3s ease;
}

:root[data-theme="light"] .minimal-header {
  background: rgba(255, 255, 255, 0.85);
}

.brand-minimal {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-brand), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 14px;
  color: #FFFFFF;
  box-shadow: 0 0 16px var(--accent-brand-subtle);
}

.brand-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.brand-sub {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  padding-left: 8px;
  border-left: 1px solid var(--border-subtle);
}

/* SEGMENTED TAB NAVIGATION */
.tab-segmented-bar {
  display: flex;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 4px;
  border-radius: 30px;
  gap: 4px;
}

.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 12.5px;
  padding: 6px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-surface-hover);
  border-color: var(--border-medium);
  box-shadow: 0 4px 16px var(--accent-brand-glow);
}

.tab-btn.active {
  background: var(--accent-brand);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: 0 4px 14px var(--accent-brand-subtle);
}

.header-exit-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm, 6px);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.header-exit-btn:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-medium);
  color: var(--text-primary);
  box-shadow: 0 4px 16px var(--accent-brand-glow);
}

/* UNIFORM BUTTON SYSTEM WITH SURFACE LIT & BORDER GLOW */
.btn-minimal-primary {
  background: linear-gradient(135deg, var(--accent-brand), #4740D8);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 12.5px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
  cursor: pointer;
  box-shadow: 0 4px 16px var(--accent-brand-subtle);
  transition: all 0.2s ease;
}

.btn-minimal-primary:hover {
  opacity: 0.95;
  box-shadow: 0 6px 24px var(--accent-brand-glow);
  border-color: var(--accent-brand);
}

.btn-minimal-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 12.5px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-minimal-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-medium);
  box-shadow: 0 4px 20px var(--accent-brand-glow);
}

/* MAIN CONTAINER FRAME */
.page-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px 80px;
  position: relative;
  z-index: 1;
}

/* SECTION PANES & TRANSITIONS */
.section-pane {
  display: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.section-pane.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* HERO SECTION */
.hero-minimal {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  backdrop-filter: blur(16px);
  transition: all 0.25s ease;
}

.hero-minimal:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-hover);
}

.hero-minimal::before, .case-story-card::before, .footer-glass-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--accent-brand), transparent 40%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.hero-minimal:hover::before, .case-story-card:hover::before, .footer-glass-card:hover::before {
  opacity: 1;
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  margin-bottom: 12px;
  line-height: 1.15;
}

.hero-description {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 720px;
  line-height: 1.6;
}

/* MINIMAL KPI STAT RIBBON */
.kpi-minimal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}

.kpi-minimal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-subtle);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  transition: all 0.25s ease;
}

.kpi-minimal-card:hover {
  border-color: var(--border-medium);
  background: var(--bg-surface-hover);
  box-shadow: 0 8px 24px var(--accent-brand-glow);
}

.kpi-label {
  font-size: 11.5px;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.kpi-val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 26px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.kpi-sub {
  font-size: 11.5px;
  color: var(--text-secondary);
}

/* TOOLBAR FILTERS */
.toolbar-minimal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.search-box-minimal {
  position: relative;
  width: 320px;
}

.search-box-minimal input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px 8px 34px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.search-box-minimal input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 12px var(--accent-brand-subtle);
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 12px;
}

/* MASTER TABLE DESIGN */
.table-container-minimal {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  backdrop-filter: blur(12px);
  margin-bottom: 28px;
}

.minimal-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.minimal-table th {
  background: var(--bg-subcard);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  font-weight: 500;
}

.minimal-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-secondary);
  transition: background-color 0.15s ease;
}

.minimal-table tbody tr {
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.minimal-table tbody tr:hover td {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.minimal-table tbody tr:last-child td {
  border-bottom: none;
}

/* STAGE BADGES */
.status-dot-cell {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-family: var(--font-mono);
}

.dot-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.dot-proposal { background: var(--accent-brand); box-shadow: 0 0 8px var(--accent-brand); }
.dot-negotiation { background: var(--accent-cyan); box-shadow: 0 0 8px var(--accent-cyan); }
.dot-discovery { background: var(--semantic-amber); box-shadow: 0 0 8px var(--semantic-amber); }
.dot-closed { background: var(--semantic-emerald); box-shadow: 0 0 8px var(--semantic-emerald); }

/* EXECUTIVE CASE STUDY BANNER */
.case-story-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-top: 36px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  backdrop-filter: blur(16px);
  transition: all 0.25s ease;
}

.case-story-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-hover);
}

.story-grid-balanced {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
}

.deal-style-subcard {
  background: var(--bg-subcard);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
}

.deal-style-subcard:hover {
  background: var(--bg-subcard-hover);
  border-color: var(--border-medium);
  box-shadow: 0 6px 20px var(--accent-brand-glow);
}

/* MODAL DRAWER CENTERED CARD */
.inspector-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: var(--overlay-bg);
  backdrop-filter: blur(12px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.inspector-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.inspector-center-card {
  width: 860px;
  max-width: 92vw;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-modal);
  position: relative;
}

.modal-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.modal-left-col, .modal-right-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* CIRCULAR SVG RING GAUGE */
.gauge-container {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gauge-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.gauge-circle-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.08);
  stroke-width: 7;
}

.gauge-circle-fill {
  fill: none;
  stroke: var(--semantic-emerald);
  stroke-width: 7;
  stroke-dasharray: 251.327;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 0.4s ease, stroke 0.4s ease;
  stroke-linecap: round;
}

.gauge-val-text {
  position: absolute;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 17px;
  color: var(--text-primary);
  text-shadow: none !important;
}

/* SLIDERS & FORM CONTROLS */
.custom-range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 3px;
  background: var(--bg-canvas);
  outline: none;
}

.custom-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-brand);
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-brand-subtle);
  border: 2px solid #FFFFFF;
}

/* AI SOURCE ATTRIBUTION CITATION CALLOUT */
.ai-citation-box {
  background: var(--bg-subcard);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 12px 14px;
  margin-top: 10px;
  transition: all 0.25s ease;
}

.ai-citation-box:hover {
  border-color: var(--border-medium);
  box-shadow: 0 4px 16px var(--accent-brand-glow);
}

/* ISOLATED FOOTER CARD */
.footer-glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 36px;
  margin-top: 48px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  backdrop-filter: blur(16px);
  transition: all 0.25s ease;
}

.footer-glass-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-hover);
}

/* SANDBOX & DESIGN SYSTEM SPEC */
.ds-swatch-card {
  background: var(--bg-subcard);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ds-swatch-card:hover {
  background: var(--bg-subcard-hover);
  border-color: var(--border-medium);
  box-shadow: 0 4px 16px var(--accent-brand-glow);
}

.sandbox-pill-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 12.5px;
  padding: 6px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sandbox-pill-btn:hover {
  color: var(--text-primary);
  background: var(--bg-surface-hover);
  border-color: var(--border-medium);
  box-shadow: 0 4px 16px var(--accent-brand-glow);
}

.sandbox-pill-btn.active {
  background: var(--accent-brand);
  color: #FFFFFF;
  font-weight: 600;
}

/* TELEMETRY TEXT FLASH ANIMATION */
.telemetry-update-flash {
  animation: telemetryFlash 0.35s ease-out;
}

@keyframes telemetryFlash {
  0% { opacity: 0.3; color: var(--semantic-emerald); }
  50% { opacity: 1; color: var(--accent-cyan); }
  100% { opacity: 1; }
}

@media (max-width: 900px) {
  .minimal-header {
    position: sticky !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    max-width: 100vw !important;
    padding: 10px 14px !important;
    box-sizing: border-box !important;
    margin: 0 !important;
    flex-wrap: wrap;
    gap: 8px;
  }
  .brand-sub { display: none; }
  .tab-segmented-bar {
    order: 3;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 3px;
    justify-content: flex-start;
  }
  .tab-btn {
    white-space: nowrap;
    padding: 5px 12px;
    font-size: 11px;
  }
  #theme-label { display: none; }
  .header-exit-btn span:first-child { display: none; }
  .page-container {
    width: 100% !important;
    max-width: 100vw !important;
    padding: 20px 16px 40px !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }
  .hero-headline { font-size: 26px; line-height: 1.25; }
  .hero-sub { font-size: 14px; }
  .kpi-minimal-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .toolbar-minimal { flex-direction: column; align-items: stretch; gap: 10px; }
  .search-box-minimal { width: 100%; }
  .table-container-minimal { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .minimal-table { min-width: 540px; }
  .story-grid-balanced, .modal-split-grid { grid-template-columns: 1fr; }
  .inspector-center-card { width: 100%; max-width: 100%; padding: 18px 14px; margin: 8px; }
  .footer-glass-card { padding: 18px 14px; margin-top: 32px; }
}

@media (max-width: 480px) {
  .kpi-minimal-grid { grid-template-columns: 1fr; }
  .hero-headline { font-size: 22px; }
}