/* ==========================================================================
   HELIOS SOLAR - Bespoke Clean-Tech Design System
   ========================================================================== */

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

/* LIGHT THEME (DEFAULT) */
:root,
html[data-theme="light"],
body[data-theme="light"] {
  --bg-main: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1F5F9;
  --bg-surface: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.94);
  --bg-input: #FFFFFF;
  
  --border-light: #E2E8F0;
  --border-amber: rgba(245, 158, 11, 0.4);
  --border-emerald: rgba(16, 185, 129, 0.4);
  
  --solar-amber: #F59E0B;
  --solar-amber-dark: #D97706;
  --solar-gold: #D97706;
  --solar-emerald: #059669;
  --solar-blue: #2563EB;
  
  --text-main: #0F172A;
  --text-muted: #475569;
  --text-dim: #64748B;

  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 12px 30px -5px rgba(245, 158, 11, 0.18);
  --shadow-modal: 0 25px 60px -15px rgba(0, 0, 0, 0.2);
}

/* DARK THEME */
html[data-theme="dark"],
body[data-theme="dark"] {
  --bg-main: #090D16;
  --bg-card: #111827;
  --bg-card-hover: #1F2937;
  --bg-surface: #1E293B;
  --bg-glass: rgba(17, 24, 39, 0.94);
  --bg-input: #0F172A;
  
  --border-light: rgba(255, 255, 255, 0.08);
  --border-amber: rgba(245, 158, 11, 0.3);
  --border-emerald: rgba(16, 185, 129, 0.3);
  
  --solar-amber: #FBBF24;
  --solar-amber-dark: #F59E0B;
  --solar-gold: #FBBF24;
  --solar-emerald: #10B981;
  --solar-blue: #3B82F6;
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 0 30px rgba(245, 158, 11, 0.25);
  --shadow-modal: 0 25px 60px -15px rgba(0, 0, 0, 0.7);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
  background-color: var(--bg-main) !important;
  color: var(--text-main) !important;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  transition: background-color 0.25s ease, color 0.25s ease;
  -webkit-tap-highlight-color: transparent;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.hide-scroll::-webkit-scrollbar {
  display: none;
}
.hide-scroll {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.3);
  border-radius: 99px;
}

.glass-panel {
  background: var(--bg-glass) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--border-light) !important;
}

.glass-card {
  background: var(--bg-card) !important;
  border: 1px solid var(--border-light) !important;
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  background: var(--bg-card-hover) !important;
  border-color: var(--border-amber) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.solar-text-gradient {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn-solar {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  color: #000 !important;
  font-weight: 700;
  border: none;
  cursor: pointer;
  border-radius: 14px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.25);
}

.btn-solar:hover {
  background: linear-gradient(135deg, #FBBF24 0%, #F59E0B 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
}

.btn-amber-gradient {
  background: linear-gradient(135deg, #F59E0B 0%, #B45309 100%);
  color: #FFF !important;
  font-weight: 800;
  border-radius: 16px;
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
}

.btn-outline-solar {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid var(--border-amber);
  color: var(--solar-gold) !important;
  font-weight: 600;
  border-radius: 14px;
  transition: all 0.2s ease;
}

.btn-outline-solar:hover {
  background: rgba(245, 158, 11, 0.18);
  border-color: var(--solar-amber);
}

.badge-solar {
  background: rgba(245, 158, 11, 0.12);
  color: var(--solar-gold) !important;
  border: 1px solid var(--border-amber);
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 700;
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.12);
  color: var(--solar-emerald) !important;
  border: 1px solid var(--border-emerald);
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 700;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 99px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.cat-rail-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.cat-rail-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  transition: all 0.2s;
}

.cat-rail-arrow:hover {
  background: var(--solar-amber);
  color: #000;
}

.cat-rail-arrow.left { left: 2px; }
.cat-rail-arrow.right { right: 2px; }

.cat-chip {
  padding: 9px 16px;
  border-radius: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 7px;
}

.cat-chip:hover {
  background: var(--bg-card-hover);
  color: var(--text-main);
}

.cat-chip.active {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(217, 119, 6, 0.15) 100%);
  border-color: var(--solar-amber);
  color: var(--solar-gold) !important;
  box-shadow: 0 2px 10px rgba(245, 158, 11, 0.15);
}

/* Modal Bespoke Styles */
.bespoke-modal-box {
  background: var(--bg-card) !important;
  border-radius: 28px;
  box-shadow: var(--shadow-modal);
  border: 1px solid var(--border-light);
}

.modal-gallery-thumb {
  width: 58px;
  height: 58px;
  border-radius: 12px;
  border: 2px solid transparent;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-gallery-thumb.active {
  border-color: #F59E0B;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.25);
}

.bespoke-constraint-card {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.06) 0%, rgba(16, 185, 129, 0.06) 100%);
  border: 1px solid var(--border-amber);
  border-radius: 20px;
  padding: 14px 18px;
}

input[type="text"],
input[type="number"],
select,
textarea {
  background: var(--bg-input) !important;
  color: var(--text-main) !important;
  border: 1px solid var(--border-light) !important;
  transition: all 0.2s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--solar-amber) !important;
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2) !important;
  outline: none;
}

select option {
  background: var(--bg-card);
  color: var(--text-main);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.2s ease-out forwards;
}