/**
 * OperaGrid Premium UI — warm, airy, customer-first polish.
 * Loaded after styles.css; enhances tokens and key surfaces.
 */

:root,
[data-theme="dark"] {
  --radius: 16px;
  --radius-sm: 12px;
  --radius-lg: 22px;
  --space-xs: 0.35rem;
  --space-sm: 0.65rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.25rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.18);
  --shadow-lift: 0 20px 50px rgba(0, 0, 0, 0.28);
  --shadow-glow: 0 0 0 1px rgba(56, 189, 248, 0.12), 0 12px 40px rgba(56, 189, 248, 0.08);
  --warm: #fbbf24;
  --warm-soft: rgba(251, 191, 36, 0.12);
  --success-soft: rgba(34, 197, 94, 0.14);
  --bg-mesh:
    radial-gradient(ellipse 90% 60% at 8% -10%, rgba(56, 189, 248, 0.14), transparent 55%),
    radial-gradient(ellipse 70% 50% at 95% 5%, rgba(129, 140, 248, 0.12), transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 100%, rgba(251, 191, 36, 0.04), transparent 45%);
}

[data-theme="light"] {
  --shadow-soft: 0 4px 24px rgba(15, 23, 42, 0.06);
  --shadow-lift: 0 24px 48px rgba(15, 23, 42, 0.1);
  --shadow-glow: 0 0 0 1px rgba(2, 132, 199, 0.1), 0 12px 36px rgba(2, 132, 199, 0.08);
  --bg-mesh:
    radial-gradient(ellipse 90% 60% at 5% -5%, rgba(2, 132, 199, 0.1), transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(79, 70, 229, 0.08), transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 100%, rgba(251, 191, 36, 0.06), transparent 45%);
}

body {
  background: var(--bg-mesh), var(--bg-accent);
  background-color: var(--bg);
  font-size: 0.975rem;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

/* ——— Auth: welcoming split ——— */
.auth-brand {
  background:
    linear-gradient(155deg, rgba(56, 189, 248, 0.08) 0%, transparent 45%),
    linear-gradient(220deg, rgba(129, 140, 248, 0.1) 0%, transparent 40%),
    linear-gradient(145deg, #152038 0%, #0c1222 55%, #080d18 100%);
  position: relative;
  overflow: hidden;
}
[data-theme="light"] .auth-brand {
  background:
    linear-gradient(155deg, rgba(2, 132, 199, 0.06) 0%, transparent 45%),
    linear-gradient(220deg, rgba(79, 70, 229, 0.05) 0%, transparent 40%),
    linear-gradient(145deg, #eef4fc 0%, #f8fafc 100%);
}
.auth-brand::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15), transparent 70%);
  top: -80px;
  right: -60px;
  pointer-events: none;
}
.auth-brand h1 {
  font-size: clamp(1.75rem, 3vw, 2.15rem);
  letter-spacing: -0.03em;
  font-weight: 700;
}
.auth-forms {
  padding: clamp(2rem, 5vw, 3.5rem);
}
.auth-choice-card {
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out), border-color 0.2s;
}
.auth-choice-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}
.lang-option {
  border-radius: var(--radius-sm);
  transition: all 0.2s var(--ease-out);
}
.lang-option.selected {
  box-shadow: var(--shadow-soft);
}

/* ——— App shell ——— */
#screen-app {
  grid-template-columns: 272px 1fr;
}
.sidebar {
  padding: var(--space-lg) var(--space-md);
  border-right: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  box-shadow: 8px 0 32px rgba(0, 0, 0, 0.06);
}
.sidebar-head {
  padding: var(--space-sm);
  margin-bottom: var(--space-lg);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface2) 60%, transparent);
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.main {
  padding: var(--space-xl) clamp(1.5rem, 4vw, 2.75rem) 4rem;
  max-width: 1280px;
}
.page-head {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 65%, transparent);
}
.page-head h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  letter-spacing: -0.025em;
  font-weight: 700;
}
.eyebrow {
  letter-spacing: 0.1em;
  font-size: 0.7rem;
}

/* ——— Buttons: soft glow CTAs ——— */
.btn {
  border-radius: var(--radius-sm);
  transition: transform 0.2s var(--ease-out), box-shadow 0.25s var(--ease-out), background 0.2s, border-color 0.2s;
}
.btn.primary {
  background: var(--brand-gradient);
  color: #fff;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--accent) 35%, transparent);
}
[data-theme="light"] .btn.primary {
  color: #fff;
}
.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px color-mix(in srgb, var(--accent) 40%, transparent);
}
.btn.secondary {
  box-shadow: var(--shadow-soft);
}
.btn.secondary:hover,
.btn.ghost:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  color: var(--text);
  transform: translateY(-1px);
}
.step-btn {
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.85rem;
  transition: all 0.22s var(--ease-out);
}
.step-btn.active {
  background: color-mix(in srgb, var(--accent) 14%, var(--surface2));
  box-shadow: var(--shadow-soft);
}
.step-btn:hover:not(.active) {
  transform: translateX(2px);
}

/* ——— Inputs: calm focus ——— */
input, select, textarea {
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.9rem;
  border-color: color-mix(in srgb, var(--border) 90%, transparent);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

/* ——— Cards & panels ——— */
.panel, .panel-wide, .hero-card, .info-card {
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.panel, .panel-wide {
  padding: var(--space-lg);
  background: color-mix(in srgb, var(--surface) 95%, var(--bg));
}
.hero-card {
  padding: var(--space-xl);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--surface) 90%, var(--accent) 3%), var(--surface2));
}
.info-card {
  padding: var(--space-lg);
  background: var(--surface);
}
.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

/* ——— Hub: showcase & welcome ——— */
.hub-welcome {
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 8%, var(--surface)), var(--surface));
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}
.hub-welcome::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, var(--warm-soft), transparent 70%);
  pointer-events: none;
}
.hub-welcome h3 {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
}
.trust-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: var(--success-soft);
  color: color-mix(in srgb, var(--accent2) 80%, var(--text));
}
.trust-chip::before {
  content: "✓";
  font-weight: 700;
}
.hub-showcase-card {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}
.hub-showcase-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
}
.hub-showcase-visual {
  padding: 2rem 1.5rem;
  font-size: 2.75rem;
}
.hub-showcase-body {
  padding: 1.25rem 1.35rem 1.5rem;
}
.hub-showcase-lead {
  line-height: 1.55;
}
.hub-stat {
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  transition: border-color 0.2s;
}
.hub-stat:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}
.hub-stat strong {
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.hub-section-title {
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  font-weight: 700;
}
.hub-showcase-sub {
  line-height: 1.55;
  max-width: 42rem;
}

/* ——— Context bars & banners ——— */
.kpi-context-bar, .hub-banner {
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
}
.hub-banner {
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-soft);
}

/* ——— Status & pills ——— */
.status-pill {
  border-radius: 999px;
  font-weight: 500;
  backdrop-filter: blur(4px);
}
.module-pill {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

/* ——— Journey & tips ——— */
.journey-track {
  gap: 0.5rem;
}
.journey-step {
  transition: transform 0.2s var(--ease-out);
}
.journey-step.done {
  transform: scale(1.02);
}
.tip-num {
  width: 32px;
  height: 32px;
  font-size: 0.85rem;
  box-shadow: var(--shadow-soft);
}

/* ——— Designer & forms ——— */
.insp-form-canvas, .kpi-card-canvas {
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.insp-form-canvas:focus-within,
.kpi-card-canvas:focus-within {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  box-shadow: var(--shadow-glow);
}
.palette-chip {
  border-radius: var(--radius-sm);
  transition: transform 0.15s var(--ease-out), box-shadow 0.15s;
}
.palette-chip:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

/* ——— Operate banner ——— */
.operate-banner {
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--success-soft), color-mix(in srgb, var(--accent) 6%, var(--surface)));
  border: 1px solid color-mix(in srgb, var(--accent2) 35%, var(--border));
  box-shadow: var(--shadow-soft);
}

/* ——— Subtle entrance ——— */
.view:not(.hidden) {
  animation: viewIn 0.35s var(--ease-out) both;
}
@keyframes viewIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .view:not(.hidden) { animation: none; }
  .btn, .hub-showcase-card, .info-card, .auth-choice-card, .step-btn { transition: none; }
}

/* ——— Scrollbar (webkit) ——— */
.main::-webkit-scrollbar { width: 8px; }
.main::-webkit-scrollbar-track { background: transparent; }
.main::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--muted) 40%, transparent);
  border-radius: 999px;
}
.main::-webkit-scrollbar-thumb:hover {
  background: color-mix(in srgb, var(--muted) 60%, transparent);
}