/* ==========================================================================
   THE BLUEPRINT EVENT MANAGEMENT // ARCHITECTURAL DESIGN SYSTEM v5.0
   Khulna, Bangladesh
   ========================================================================== */

:root,
[data-theme="cyan"] {
  --bp-bg: #030712;
  --bp-bg-elevated: #08101f;
  --bp-surface: rgba(10, 20, 36, 0.84);
  --bp-surface-solid: #0a1424;
  --bp-panel: rgba(14, 28, 48, 0.92);
  --bp-accent: #00f0ff;
  --bp-accent-2: #7df9ff;
  --bp-accent-rgb: 0, 240, 255;
  --bp-secondary: #f59e0b;
  --bp-secondary-rgb: 245, 158, 11;
  --bp-success: #10b981;
  --bp-danger: #f43f5e;
  --bp-text: #f8fafc;
  --bp-text-soft: #cbd5e1;
  --bp-muted: #94a3b8;
  --bp-border: rgba(0, 240, 255, 0.22);
  --bp-border-strong: rgba(0, 240, 255, 0.58);
  --bp-grid-major: rgba(0, 240, 255, 0.065);
  --bp-grid-minor: rgba(0, 240, 255, 0.025);
  --bp-shadow: 0 18px 45px -15px rgba(0, 0, 0, 0.7), 0 0 24px rgba(0, 240, 255, 0.12);
  --bp-glow: 0 0 16px rgba(0, 240, 255, 0.45);
  --bp-btn-text: #030712;
}

[data-theme="gold"] {
  --bp-bg: #07060b;
  --bp-bg-elevated: #100e18;
  --bp-surface: rgba(18, 15, 28, 0.88);
  --bp-surface-solid: #120f1c;
  --bp-panel: rgba(26, 21, 38, 0.94);
  --bp-accent: #f59e0b;
  --bp-accent-2: #fde68a;
  --bp-accent-rgb: 245, 158, 11;
  --bp-secondary: #38bdf8;
  --bp-secondary-rgb: 56, 189, 248;
  --bp-success: #10b981;
  --bp-danger: #fb7185;
  --bp-text: #fafaf9;
  --bp-text-soft: #e7e5e4;
  --bp-muted: #a8a29e;
  --bp-border: rgba(245, 158, 11, 0.26);
  --bp-border-strong: rgba(245, 158, 11, 0.65);
  --bp-grid-major: rgba(245, 158, 11, 0.06);
  --bp-grid-minor: rgba(245, 158, 11, 0.025);
  --bp-shadow: 0 18px 45px -15px rgba(0, 0, 0, 0.78), 0 0 26px rgba(245, 158, 11, 0.14);
  --bp-glow: 0 0 16px rgba(245, 158, 11, 0.45);
  --bp-btn-text: #07060b;
}

[data-theme="crimson"] {
  --bp-bg: #09040b;
  --bp-bg-elevated: #140819;
  --bp-surface: rgba(22, 10, 28, 0.88);
  --bp-surface-solid: #160a1c;
  --bp-panel: rgba(34, 14, 42, 0.94);
  --bp-accent: #fb7185;
  --bp-accent-2: #fecdd3;
  --bp-accent-rgb: 251, 113, 133;
  --bp-secondary: #38bdf8;
  --bp-secondary-rgb: 56, 189, 248;
  --bp-success: #34d399;
  --bp-danger: #f43f5e;
  --bp-text: #fdf2f8;
  --bp-text-soft: #e2d4e8;
  --bp-muted: #b8a3c4;
  --bp-border: rgba(251, 113, 133, 0.26);
  --bp-border-strong: rgba(251, 113, 133, 0.65);
  --bp-grid-major: rgba(251, 113, 133, 0.06);
  --bp-grid-minor: rgba(251, 113, 133, 0.025);
  --bp-shadow: 0 18px 45px -15px rgba(0, 0, 0, 0.78), 0 0 26px rgba(251, 113, 133, 0.16);
  --bp-glow: 0 0 16px rgba(251, 113, 133, 0.5);
  --bp-btn-text: #09040b;
}

[data-theme="light"] {
  --bp-bg: #eef5fc;
  --bp-bg-elevated: #ffffff;
  --bp-surface: rgba(255, 255, 255, 0.92);
  --bp-surface-solid: #ffffff;
  --bp-panel: rgba(241, 247, 254, 0.96);
  --bp-accent: #0284c7;
  --bp-accent-2: #0369a1;
  --bp-accent-rgb: 2, 132, 199;
  --bp-secondary: #d97706;
  --bp-secondary-rgb: 217, 119, 6;
  --bp-success: #059669;
  --bp-danger: #e11d48;
  --bp-text: #0f172a;
  --bp-text-soft: #334155;
  --bp-muted: #64748b;
  --bp-border: rgba(2, 132, 199, 0.22);
  --bp-border-strong: rgba(2, 132, 199, 0.6);
  --bp-grid-major: rgba(2, 132, 199, 0.08);
  --bp-grid-minor: rgba(2, 132, 199, 0.035);
  --bp-shadow: 0 14px 36px -12px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(2, 132, 199, 0.08);
  --bp-glow: 0 4px 16px rgba(2, 132, 199, 0.28);
  --bp-btn-text: #ffffff;
}

/* Base Body & Architectural Grid */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bp-bg);
  color: var(--bp-text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  transition: background-color 0.35s ease, color 0.35s ease;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(var(--bp-accent-rgb), 0.1), transparent 42%),
    radial-gradient(circle at 82% 28%, rgba(var(--bp-secondary-rgb), 0.06), transparent 36%),
    linear-gradient(to right, var(--bp-grid-major) 1px, transparent 1px),
    linear-gradient(to bottom, var(--bp-grid-major) 1px, transparent 1px),
    linear-gradient(to right, var(--bp-grid-minor) 1px, transparent 1px),
    linear-gradient(to bottom, var(--bp-grid-minor) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  background-attachment: fixed;
}

[data-theme="light"] .text-white {
  color: var(--bp-text) !important;
}
[data-theme="light"] .text-slate-200,
[data-theme="light"] .text-slate-300 {
  color: var(--bp-text-soft) !important;
}
[data-theme="light"] .text-slate-400 {
  color: var(--bp-muted) !important;
}
[data-theme="light"] .bg-obsidian,
[data-theme="light"] .bg-obsidian\/90,
[data-theme="light"] .bg-obsidian\/95,
[data-theme="light"] .bg-obsidian\/80,
[data-theme="light"] .bg-obsidian\/70,
[data-theme="light"] .bg-obsidian\/60 {
  background-color: rgba(255, 255, 255, 0.94) !important;
}
[data-theme="light"] .bg-midnight,
[data-theme="light"] .bg-midnight\/90,
[data-theme="light"] .bg-midnight\/80,
[data-theme="light"] .bg-midnight\/40,
[data-theme="light"] .bg-midnight\/30 {
  background-color: rgba(235, 243, 252, 0.88) !important;
}
[data-theme="light"] .from-obsidian,
[data-theme="light"] .via-panel {
  --tw-gradient-from: #eef5fc !important;
  --tw-gradient-to: #ffffff !important;
}

/* Custom Typography Utility Classes bound to Theme Variables */
.font-display { font-family: 'Space Grotesk', 'Orbitron', sans-serif; }
.font-tech { font-family: 'Orbitron', sans-serif; }
.font-mono-cad { font-family: 'JetBrains Mono', monospace; }

.bp-accent-text { color: var(--bp-accent); }
.bp-accent2-text { color: var(--bp-accent-2); }
.bp-secondary-text { color: var(--bp-secondary); }
.bp-muted-text { color: var(--bp-muted); }
.bp-soft-text { color: var(--bp-text-soft); }

.bp-text-glow {
  text-shadow: 0 0 18px rgba(var(--bp-accent-rgb), 0.45);
}
[data-theme="light"] .bp-text-glow {
  text-shadow: none;
}

.bp-svg-glow {
  filter: drop-shadow(0 0 10px rgba(var(--bp-accent-rgb), 0.55));
}
[data-theme="light"] .bp-svg-glow {
  filter: drop-shadow(0 4px 10px rgba(2, 132, 199, 0.22));
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bp-bg); }
::-webkit-scrollbar-thumb {
  background: rgba(var(--bp-accent-rgb), 0.35);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--bp-accent); }

/* Focus Visible Accessibility */
:focus-visible {
  outline: 2px solid var(--bp-accent);
  outline-offset: 2px;
}

/* Architectural Card Variants */
.bp-card {
  position: relative;
  background: var(--bp-surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--bp-border);
  box-shadow: var(--bp-shadow);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.28s ease,
              box-shadow 0.28s ease;
}

.bp-card:hover {
  border-color: var(--bp-border-strong);
}

.bp-card-tilt {
  transform-style: preserve-3d;
  will-change: transform;
}

.bp-spotlight {
  position: relative;
  overflow: hidden;
}
.bp-spotlight::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    420px circle at var(--mx, 50%) var(--my, 50%),
    rgba(var(--bp-accent-rgb), 0.11),
    transparent 65%
  );
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: 1;
}
.bp-spotlight:hover::before {
  opacity: 1;
}

/* Corner Brackets (Clean Technical Registration Ticks) */
.bp-ticks::after {
  content: '';
  position: absolute;
  inset: -1px;
  pointer-events: none;
  border-radius: inherit;
  background:
    linear-gradient(var(--bp-accent), var(--bp-accent)) top left / 12px 2px no-repeat,
    linear-gradient(var(--bp-accent), var(--bp-accent)) top left / 2px 12px no-repeat,
    linear-gradient(var(--bp-accent), var(--bp-accent)) top right / 12px 2px no-repeat,
    linear-gradient(var(--bp-accent), var(--bp-accent)) top right / 2px 12px no-repeat,
    linear-gradient(var(--bp-accent), var(--bp-accent)) bottom left / 12px 2px no-repeat,
    linear-gradient(var(--bp-accent), var(--bp-accent)) bottom left / 2px 12px no-repeat,
    linear-gradient(var(--bp-accent), var(--bp-accent)) bottom right / 12px 2px no-repeat,
    linear-gradient(var(--bp-accent), var(--bp-accent)) bottom right / 2px 12px no-repeat;
  opacity: 0.72;
  transition: opacity 0.25s ease;
}
.bp-ticks:hover::after { opacity: 1; }

/* Primary & Secondary Interactive Buttons */
.bp-btn-primary {
  background: var(--bp-accent);
  color: var(--bp-btn-text);
  box-shadow: var(--bp-glow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}
.bp-btn-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 0 28px rgba(var(--bp-accent-rgb), 0.65);
  transform: translateY(-1px);
}
.bp-btn-primary:active {
  transform: translateY(0);
}

.bp-btn-outline {
  background: rgba(var(--bp-accent-rgb), 0.08);
  border: 1px solid var(--bp-border-strong);
  color: var(--bp-accent);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.bp-btn-outline:hover {
  background: rgba(var(--bp-accent-rgb), 0.18);
  border-color: var(--bp-accent);
  transform: translateY(-1px);
}

/* Custom Range Inputs */
input[type="range"].bp-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 7px;
  border-radius: 999px;
  background: rgba(var(--bp-accent-rgb), 0.16);
  border: 1px solid var(--bp-border);
  cursor: pointer;
}
input[type="range"].bp-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--bp-accent);
  border: 2px solid #ffffff;
  box-shadow: var(--bp-glow);
  cursor: grab;
  transition: transform 0.15s ease;
}
input[type="range"].bp-range::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.12);
}

/* Tabs & Pills */
.bp-tab-btn.is-active {
  background: var(--bp-accent);
  color: var(--bp-btn-text);
  border-color: var(--bp-accent);
  box-shadow: var(--bp-glow);
}

/* Scroll Reveal Animations */
.reveal-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-fx="minimal"] .reveal-up {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}
[data-fx="minimal"] .bp-card:hover,
[data-fx="minimal"] .bp-card-tilt {
  transform: none !important;
}
[data-fx="minimal"] #cadBgCanvas {
  display: none !important;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal-up { opacity: 1; transform: none; transition: none; }
  .animate-pulse, .animate-ping, .animate-spin { animation: none !important; }
}

/* Scanline Effect (Subtle) */
@keyframes bpScan {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(1100%); }
}
.bp-scanline {
  position: absolute;
  inset: 0 0 auto 0;
  height: 12%;
  background: linear-gradient(to bottom, transparent, rgba(var(--bp-accent-rgb), 0.05), transparent);
  animation: bpScan 9s linear infinite;
  pointer-events: none;
}

/* Preloader */
#bpPreloader {
  transition: opacity 0.45s ease, visibility 0.45s ease;
}
#bpPreloader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Modal Backdrop & Dialog */
.bp-modal-backdrop {
  background: rgba(2, 6, 16, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
[data-theme="light"] .bp-modal-backdrop {
  background: rgba(15, 23, 42, 0.55);
}

/* Accordion */
.bp-accordion-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}
.bp-accordion-item.is-open .bp-accordion-body {
  grid-template-rows: 1fr;
}
.bp-accordion-inner {
  overflow: hidden;
}

/* Side Scroll Rail */
.bp-rail-dot.is-active {
  background: var(--bp-accent);
  box-shadow: var(--bp-glow);
  transform: scale(1.25);
}

/* Before / After Comparison Slider */
.bp-compare-container {
  position: relative;
  overflow: hidden;
  user-select: none;
  touch-action: pan-y;
}
.bp-compare-after {
  position: absolute;
  inset: 0;
  clip-path: inset(0 0 0 50%);
}
.bp-compare-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--bp-accent);
  box-shadow: var(--bp-glow);
  cursor: ew-resize;
  z-index: 20;
}

/* Print View Optimization */
@media print {
  header, aside, #bpPreloader, #floatingConcierge, #mobileBottomBar,
  #cadBgCanvas, .no-print, button {
    display: none !important;
  }
  body {
    background: #ffffff !important;
    color: #000000 !important;
    background-image: none !important;
  }
  .bp-card {
    box-shadow: none !important;
    border: 1px solid #cbd5e1 !important;
    background: #ffffff !important;
    break-inside: avoid;
  }
}

/* Admin & Executive Portal Helpers (Theme-Aware across Cyan/Gold/Crimson/Light) */
.bp-panel-inset {
  background: rgba(0, 0, 0, 0.34);
  border: 1px solid var(--bp-border);
}
[data-theme="light"] .bp-panel-inset {
  background: rgba(15, 23, 42, 0.045);
  border-color: rgba(2, 132, 199, 0.22);
}

.bp-input {
  background: rgba(0, 0, 0, 0.42);
  border: 1px solid var(--bp-border);
  color: var(--bp-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.bp-input:focus {
  outline: none;
  border-color: var(--bp-accent);
  box-shadow: 0 0 0 2px rgba(var(--bp-accent-rgb), 0.18);
}
.bp-input option {
  background: #0a1424;
  color: #f8fafc;
}
[data-theme="light"] .bp-input {
  background: #ffffff;
  color: #0f172a;
  border-color: rgba(2, 132, 199, 0.3);
}
[data-theme="light"] .bp-input option {
  background: #ffffff;
  color: #0f172a;
}

.bp-badge-founder {
  background: rgba(245, 158, 11, 0.16);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.45);
}
[data-theme="light"] .bp-badge-founder {
  background: rgba(217, 119, 6, 0.12);
  color: #b45309;
  border-color: rgba(217, 119, 6, 0.4);
}

.bp-badge-exec {
  background: rgba(var(--bp-accent-rgb), 0.14);
  color: var(--bp-accent);
  border: 1px solid rgba(var(--bp-accent-rgb), 0.42);
}

.bp-badge-admin {
  background: rgba(16, 185, 129, 0.14);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.42);
}
[data-theme="light"] .bp-badge-admin {
  color: #047857;
}

.bp-portal-tab.is-active {
  background: var(--bp-accent);
  color: var(--bp-btn-text);
  border-color: var(--bp-accent);
  box-shadow: var(--bp-glow);
}