/* UI/UX overrides aligned with docs/new-ui-ux.md */

/* Buttons */
.btn-primary {
  background: var(--cta-bg, var(--ip-accent));
  color: var(--cta-text, #ffffff);
  padding: var(--space-12, .75rem) var(--space-24, 1.5rem);
  border-radius: var(--radius-400, 8px);
  font-weight: var(--font-semibold, 600);
  min-height: 44px;
  border: 2px solid transparent;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: var(--cta-hover, var(--ip-accent-600));
  transform: translateY(-1px);
  box-shadow: var(--shadow-200, 0 4px 6px -1px rgb(0 0 0 / 0.1));
}

.btn-primary:focus-visible {
  outline: 3px solid var(--focus-ring, var(--ip-accent));
  outline-offset: 2px;
}

.btn-primary:disabled {
  background: var(--cta-disabled, var(--ip-border));
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--surface, var(--ip-bg));
  color: var(--text, var(--ip-text));
  border: 2px solid var(--border, var(--ip-border));
  min-height: 44px;
}

.btn-ghost {
  background: transparent;
  color: var(--link, var(--ip-accent));
  border: 2px solid transparent;
  min-height: 44px;
}

/* Form Inputs */
.input-field {
  width: 100%;
  padding: var(--space-12, .75rem) var(--space-16, 1rem);
  border: 2px solid var(--border, var(--ip-border));
  border-radius: var(--radius-400, 8px);
  background: var(--surface, var(--ip-bg));
  color: var(--text, var(--ip-text));
  font-size: var(--text-base, 1rem);
  min-height: 44px;
}

.input-field:focus {
  outline: none;
  border-color: var(--focus-ring, var(--ip-accent));
  box-shadow: 0 0 0 3px rgb(124 58 237 / 0.1);
}

.input-field.error { border-color: var(--color-danger-main, #ef4444); }

.textarea-field { min-height: 120px; resize: vertical; }

/* Cards */
.card-header {
  margin-bottom: var(--space-16, 1rem);
  padding-bottom: var(--space-16, 1rem);
  border-bottom: 1px solid var(--border, var(--ip-border));
}

/* Alerts */
.alert { display: flex; gap: .75rem; padding: 1rem; border-radius: 8px; border-left: 4px solid; flex-wrap: wrap; align-items: center; }
.alert-success { background: var(--success-bg, #86efac); color: var(--success-text, #15803d); border-left-color: var(--color-success-main, #22c55e); }
.alert-warn { background: var(--warning-50, #FFF8E6); color: var(--warning-600, #8A5A00); border-left-color: var(--warning-600, #8A5A00); }

/* Layout */
.container { width: 100%; margin: 0 auto; padding: 0 var(--space-16, 1rem); }
.grid { display: grid; gap: var(--space-16, 1rem); grid-template-columns: 1fr; }
@media (min-width: 768px) {
  .grid-md-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-md-3 { grid-template-columns: repeat(3, 1fr); }
}

/* Override Pico button defaults lightly */
button,
[type="button"],
[type="submit"] {
  border-radius: var(--radius-400, 8px);
  font-weight: var(--font-semibold, 600);
  transition: all 0.2s ease;
}

/* Ensure touch targets */
button,
[type="button"],
[type="submit"],
input,
select,
textarea,
a.btn {
  min-height: 44px;
  min-width: 44px;
}

/* Fix Pico container paddings */
.container { padding-left: var(--space-16, 1rem); padding-right: var(--space-16, 1rem); }

/* Score display enhancement */
.score-display { font-size: var(--text-4xl, 2.25rem); font-weight: 700; color: var(--color-primary-600, var(--ip-accent)); }
.score-value { font-size: 1.5em; }

/* Progress bar */
.progress-bar { height: 4px; background: var(--color-neutral-200, var(--ip-border)); position: relative; border-radius: 2px; }
.progress-bar::after { content: ''; position: absolute; left: 0; top: 0; height: 100%; width: var(--progress, 0); background: var(--color-primary-500, var(--ip-accent)); border-radius: inherit; transition: width 0.3s ease; }

/* Recording indicator pulse */
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.5} }
.recording-active { animation: pulse 1.5s infinite; }

/* Mobile-first utilities */
.hidden-mobile { display: none; }
@media (min-width: 768px) { .hidden-mobile { display: initial; } }

/* Minimal utility classes (mobile-first) */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: var(--space-12, .75rem); }
.gap-3 { gap: var(--space-16, 1rem); }
.gap-4 { gap: var(--space-20, 1.25rem); }
.gap-6 { gap: var(--space-24, 1.5rem); }
.mb-4 { margin-bottom: var(--space-16, 1rem); }
.mb-6 { margin-bottom: var(--space-24, 1.5rem); }
.mb-8 { margin-bottom: 2rem; }
.my-3 { margin-top: .75rem; margin-bottom: .75rem; }
.mb-2 { margin-bottom: .5rem; }
.mb-1 { margin-bottom: .25rem; }
.mt-4 { margin-top: var(--space-16, 1rem); }
.mt-4 { margin-top: var(--space-16, 1rem); }
.mt-6 { margin-top: var(--space-24, 1.5rem); }
.mt-8 { margin-top: 2rem; }
.p-4 { padding: var(--space-16, 1rem); }
.p-6 { padding: var(--space-24, 1.5rem); }
.px-4 { padding-left: var(--space-16, 1rem); padding-right: var(--space-16, 1rem); }
.py-4 { padding-top: var(--space-16, 1rem); padding-bottom: var(--space-16, 1rem); }
.pt-6 { padding-top: var(--space-24, 1.5rem); }
.p-3 { padding: var(--space-12, .75rem); }
.pl-4 { padding-left: var(--space-16, 1rem); }
.block { display: block; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.w-full { width: 100%; }
.mr-2 { margin-right: .5rem; }
.flex-1 { flex: 1 1 0%; }
.justify-start { justify-content: flex-start; }
.text-muted { color: var(--text-600); }
.text-accent { color: var(--ip-accent); }
.text-white { color: #fff; }
.italic { font-style: italic; }
.border-t { border-top: 1px solid var(--border-300); }
.border-b { border-bottom: 1px solid var(--ip-border); }
.whitespace-nowrap { white-space: nowrap; }

/* Font sizes & weight */
.text-sm { font-size: .875rem; }
.text-xs { font-size: .75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.font-normal { font-weight: 400; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* Spacing fine-tuning */
.m-0 { margin: 0; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: .25rem; }

/* Surface variants */
.surface-alt { background: var(--ip-bg-alt); border-radius: var(--radius-sm, 6px); }

/* Session components */
.session-header { display:flex; align-items:center; gap: 12px; }
.question-box { background: var(--ip-bg-alt); padding: var(--space-4, 1rem); border-radius: var(--radius-sm, 6px); }
.session-footer-fixed { position: fixed; bottom: 0; left: 0; right: 0; background: var(--ip-bg); border-top: 1px solid var(--ip-border); padding: var(--space-4, 1rem); z-index: 100; }
.has-sticky-footer { padding-bottom: 100px; }
.minw-120 { min-width: 120px; }

/* Accent left border helper */
.accent-left-primary { border-left: 4px solid var(--ip-accent); }

/* Upgrade banner */
.upgrade-banner { background: var(--ip-warn); color: #fff; border-radius: 8px; padding: var(--space-6, 1.5rem); text-align: center; }

/* Dashboard grids */
.grid-lg-1-2 { display: grid; grid-template-columns: 1fr; gap: var(--space-24, 1.5rem); }
@media (min-width: 900px) {
  .grid-lg-1-2 { grid-template-columns: 1fr 2fr; }
}
.text-warn { color: var(--warning-600); }
.text-danger { color: var(--brand-danger, #dc2626); }
/* Inverted button variants for light-on-dark bands */
.btn-invert { background: #fff !important; color: var(--brand-primary) !important; border-color: #fff !important; }
.btn-invert-warn { background: #fff !important; color: var(--ip-warn) !important; border-color: #fff !important; }

/* Background helpers */
.bg-alt { background: var(--ip-bg-alt); }

/* Media/Chart helpers */
.media-figure { aspect-ratio: 16/9; overflow: hidden; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); margin-bottom: var(--space-6); background: var(--surface-1); display: flex; align-items: center; justify-content: center; font-size: 3rem; }
.chart-track { height: 250px; display: flex; align-items: end; justify-content: space-around; border-bottom: 2px solid var(--border-300); overflow-x: auto; }
.chart-col { display: flex; flex-direction: column; align-items: center; min-width: 40px; }
.chart-bar { width: 24px; background: var(--brand-primary, var(--ip-accent)); margin-bottom: var(--space-2, .5rem); border-radius: var(--radius-sm, 6px); }

/* Avatar circle */
.avatar-circle { width: 40px; height: 40px; background: var(--brand-primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 600; }

/* Responsive header navigation */
.nav-primary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); position: relative; flex-wrap: nowrap; }
.nav-primary { border-bottom: 0 !important; }
.nav-checkbox { position: absolute; left: -9999px; top: -9999px; }
.nav-actions { display: none; gap: var(--space-3); align-items: center; }
.nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 0; border-radius: var(--radius-sm); background: transparent; cursor: pointer; color: var(--ip-text); }
.nav-toggle svg { display: block; }
.nav-menu { display: none; position: fixed; top: 56px; left: 0; right: 0; background: var(--ip-card); border: 1px solid var(--ip-border); box-shadow: var(--shadow-2); padding: var(--space-4); z-index: 1000; width: min(92vw, 640px); margin-inline: auto; border-radius: var(--radius-sm); }
.nav-checkbox:checked ~ .nav-menu { display: block !important; }
.nav-checkbox:checked ~ .nav-backdrop { display: block !important; }
.nav-menu .nav-link { display: block; padding: .5rem .75rem; border-radius: var(--radius-sm); }
.nav-menu .nav-link:hover { background: var(--ip-bg-alt); }
.nav-menu .mobile-cta { display: inline-flex; width: auto; margin-bottom: var(--space-4); }
.nav-center { display: none; gap: var(--space-4); align-items: center; }
.nav-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.25); z-index: 900; }

@media (min-width: 768px) {
  .nav-primary .nav-toggle { display: none !important; }
  .nav-actions { display: flex; }
  .nav-center { display: flex; }
  .nav-menu { display: none !important; }
  .nav-backdrop { display: none !important; }
}

/* Screen-reader-only helper */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* Wide-screen override: keep features in a single row */
@media (min-width: 900px) {
  .features.features--row { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
}

/* Social logos row */
.social-logos { display: block; margin-inline: auto; width: 100%; max-width: 420px; height: auto; opacity: .85; }
.logos-row { display: flex; justify-content: center; align-items: center; gap: 24px; flex-wrap: wrap; }
.brand-logo-wrap { width: 96px; height: 24px; display: inline-flex; align-items: center; justify-content: center; }
.social-logos-svg { width: 100%; max-width: 420px; height: auto; }
.brand-logo { opacity: .85; filter: grayscale(100%); height: 20px; width: auto; display: block; }
.brand-logo-svg { opacity: .85; display: block; height: 20px; width: auto; }
.brand-logo:hover { opacity: 1; filter: none; }
.brand-logo-svg:hover { opacity: 1; }

/* Header + main alignment */
.header-bar { padding: var(--space-4) 0; border-bottom: 1px solid var(--ip-border); }
.main-content { margin-top: var(--space-6); }
.site-footer { border-top: 0 !important; }

/* Ensure readable text over brand gradient bands across pages */
.brand-band,
.brand-band h1,
.brand-band h2,
.brand-band p,
.brand-band .lead,
.brand-band .link {
  color: #fff !important;
}

/* Flatter surface styling */
.section { border: 0 !important; }
.page-hero { border: 0 !important; }
.card { box-shadow: none !important; border: 1px solid var(--ip-border) !important; }

/* Responsive alert stacking for narrow screens */
@media (max-width: 520px) {
  .alert { flex-direction: column; align-items: flex-start; }
  .alert .btn { width: 100%; }
}
.logo-text { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Ubuntu, Arial, 'Noto Sans', sans-serif; font-size: 14px; font-weight: 600; fill: #64748b; }
.logos-row { color: var(--text-600); opacity: .95; gap: var(--space-4); align-items: center; }
.logos-fallback { display: none; gap: var(--space-6); color: #64748b; font-weight: 600; }

/* Hero media container/image */
.hero-media { display: flex; justify-content: center; }
.hero-media .hero-img { width: 100%; max-width: 560px; height: auto; border-radius: var(--radius-md, 10px); }