/* RedWebScribe Modern UI Enhancements */

/*
  Design tokens (CSS variables)
  - Define a single source of truth for colors in light/dark themes
  - All custom styles should reference these variables only
*/
:root {
  /* Base */
  --color-bg: #fffafa; /* page background */
  --color-surface: #ffffff; /* cards, panes */
  --color-text: #0f172a; /* primary text */
  --color-text-muted: #64748b; /* secondary text */
  --color-border: #e5e7eb; /* subtle borders */

  /* Brand / Primary */
  --color-brand: #94332b; /* brand red */
  --color-primary: var(--color-brand);
  --color-primary-contrast: #ffffff;
  --color-focus: rgba(148, 51, 43, 0.35); /* focus ring using brand */

  /* Muted surfaces */
  --color-muted-bg: #f3f4f6; /* gray-100 */
  --color-muted-bg-hover: #e5e7eb; /* gray-200 */
  --color-muted-text: #1f2937; /* gray-800 */

  /* Inputs */
  --color-input-bg: #ffffff;
  --color-input-border: #e5e7eb;

  /* Elevation */
  --card-border-color: rgba(15, 23, 42, 0.06);
  --card-shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.06);

  /* Accents and statuses */
  --color-accent: #4494be;
  --color-accent-hover: #446ba9;
  --color-accent-weak: var(--color-muted-bg);
  --color-info-bg: var(--color-muted-bg);
  --color-info-border: var(--color-accent);
  --color-info-text: var(--color-accent);


  /* Semantic button tokens */
  --color-cta: var(--color-accent);
  --color-cta-hover: var(--color-accent-hover);
  --color-success: #168b41; /* green-600 */
  --color-success-hover: #15803d; /* green-700 */
  --color-warning: #f59e0b; /* amber-500/600 */
  --color-warning-hover: #d97706; /* amber-700 */
  --color-danger: #a93333; /* red-600 */
  --color-danger-hover: #b91c1c; /* red-700 */
  /* Overlays and brand hover */
  --overlay-bg: color-mix(in srgb, black 50%, transparent);
  --color-on-brand-hover: #ffe4e6;
}

.dark {
  --color-bg: #0b1220;
  --color-surface: #0f172a;
  --color-text: #e5e7eb;
  --color-text-muted: #94a3b8;
  --color-border: #252d3a;

  --color-brand: #94332b;
  --color-primary: var(--color-brand);
  --color-primary-contrast: var(--color-text);
  --color-focus: rgba(148, 51, 43, 0.35);

  --color-muted-bg: #374151; /* gray-700 */
  --color-muted-bg-hover: #4b5563; /* gray-600 */
  --color-muted-text: #ffffff;

  --color-input-bg: #0f172a;
  --color-input-border: #1f2937;

  --card-border-color: rgba(148, 163, 184, 0.12);
  --card-shadow: 0 1px 3px rgba(2, 6, 23, 0.6), 0 8px 24px rgba(2, 6, 23, 0.5);

  --color-accent: #4494be;
  --color-accent-hover: #446ba9;
  --color-accent-weak: var(--color-muted-bg);
  --color-info-bg: var(--color-muted-bg);
  --color-info-border: var(--color-accent);
  --color-info-text: var(--color-accent);

  /* Brand palette (dark theme references) */

  /* Semantic button tokens */
  --color-cta: var(--color-accent);
  --color-cta-hover: var(--color-accent-hover);
  --color-success: #168b41; /* green-500 */
  --color-success-hover: #15803d; /* green-600 */
  --color-warning: #fbbf24; /* amber-400 */
  --color-warning-hover: #f59e0b; /* amber-500 */
  --color-danger: #a93333; /* red-500 */
  --color-danger-hover: #dc2626; /* red-600 */
  --overlay-bg: color-mix(in srgb, black 55%, transparent);
  --color-on-brand-hover: #ffe4e6;
}

/* Typography & base */
html, body {
  height: 100%;
}

body {
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle fade-in for main content */
.fade-in {
  animation: fadeIn 260ms ease both;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Navigation glass effect */
.nav-glass {
  backdrop-filter: saturate(120%) blur(10px);
  -webkit-backdrop-filter: saturate(120%) blur(10px);
}

/* Brand nav background color */
.nav-brand {
  background-color: var(--color-brand);
}
.dark .nav-brand { background-color: var(--color-brand); }

.nav-link {
  position: relative;
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
  transition: color .2s ease;
  color: inherit;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0.5rem;
  right: 0.5rem;
  bottom: 0.2rem;
  height: 2px;
  background-color: rgba(255,255,255,0.6);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .18s ease;
}

.nav-link:hover::after { transform: scaleX(1); }

/* Dark: ensure nav link text isn't greyed */
.dark .nav-link { color: #f8fafc; }
.dark .nav-link:hover { color: var(--color-on-brand-hover); }
.nav-link:hover { color: var(--color-on-brand-hover); }

/* Modern buttons - additive to existing Tailwind classes */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: 0.65rem;
  padding: 0.6rem 1rem;
  font-weight: 600;
  line-height: 1.2;
  box-shadow: 0 1px 1px rgba(15,23,42,0.04), 0 1px 2px rgba(15,23,42,0.06);
  transition: transform .15s ease, box-shadow .22s ease, background-color .22s ease, color .22s ease, border-color .22s ease, opacity .22s ease;
  text-decoration: none;
}

/* Remove visited color override so utility classes like text-white are respected */
/* (Visited state should not change button text color) */

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(15,23,42,0.08), 0 2px 8px rgba(15,23,42,0.06);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 3px 10px rgba(15,23,42,0.1);
}

.btn:focus-visible {
  outline: 2px solid transparent;
  box-shadow: 0 0 0 3px var(--color-focus), 0 8px 20px rgba(15,23,42,0.08);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.875rem;
  border-radius: 0.55rem;
}

/* Extra compact buttons for tight spaces */
.btn-xs {
  padding: 0.25rem 0.55rem;
  font-size: 0.8125rem;
  border-radius: 0.5rem;
}

.btn svg {
  width: 1rem;
  height: 1rem;
}

/* Pagination button contrast helpers */
.pagination-btn {
  background-color: var(--color-muted-bg);
  color: var(--color-muted-text);
  border: 1px solid var(--color-border);
}
.pagination-btn:hover {
  background-color: var(--color-muted-bg-hover);
}
.dark .pagination-btn {
  background-color: var(--color-muted-bg);
  color: var(--color-muted-text);
  border-color: var(--color-input-border);
}
.dark .pagination-btn:hover {
  background-color: var(--color-muted-bg-hover);
}

/* Inputs and form elements */
input[type="text"],
input[type="email"],
input[type="date"],
input[type="number"],
input[type="password"],
textarea,
select {
  border-radius: 0.6rem;
  border: 1px solid var(--color-input-border);
  padding: 0.5rem 0.75rem;
  transition: border-color .18s ease, box-shadow .2s ease;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-focus);
  outline: none;
}

/* Cards and modals */
.modern-card {
  border: 1px solid var(--card-border-color);
  border-radius: 0.9rem;
  box-shadow: var(--card-shadow);
}

/* Token utilities and components */
.bg-page { background-color: var(--color-bg) !important; }
.bg-surface { background-color: var(--color-surface) !important; }
.text-body { color: var(--color-text) !important; }
.text-muted { color: var(--color-text-muted) !important; }
.border-subtle { border-color: var(--color-border) !important; }
.text-cta { color: var(--color-cta) !important; }
.hover\:text-cta-hover:hover { color: var(--color-cta-hover) !important; }

.text-success { color: var(--color-success) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-info { color: var(--color-cta) !important; }
.text-warning { color: var(--color-warning) !important; }

.overlay { background-color: var(--overlay-bg) !important; }

.bg-success { background-color: var(--color-success) !important; }
.bg-danger { background-color: var(--color-danger) !important; }
.bg-warning { background-color: var(--color-warning) !important; }
.bg-info { background-color: var(--color-cta) !important; }

.badge { display: inline-flex; align-items: center; padding: 0.25rem 0.5rem; border-radius: 9999px; font-size: 0.875rem; font-weight: 600; }
.badge-info { background-color: var(--color-info-bg); color: var(--color-info-text); border: 1px solid var(--color-info-border); }
.badge-success { background-color: color-mix(in srgb, var(--color-success) 12%, transparent); color: var(--color-success-hover); border: 1px solid color-mix(in srgb, var(--color-success) 35%, transparent); }
.badge-warning { background-color: color-mix(in srgb, var(--color-warning) 18%, transparent); color: #111827; border: 1px solid color-mix(in srgb, var(--color-warning) 38%, transparent); }
.badge-danger { background-color: color-mix(in srgb, var(--color-danger) 12%, transparent); color: var(--color-danger-hover); border: 1px solid color-mix(in srgb, var(--color-danger) 35%, transparent); }
.badge-neutral { background-color: var(--color-muted-bg); color: var(--color-text-muted); border: 1px solid var(--color-border); }

.alert { border-radius: 0.75rem; padding: 1rem; border: 1px solid transparent; }
.alert-info { background-color: var(--color-info-bg); border-color: var(--color-info-border); color: var(--color-info-text); }
.alert-success { background-color: color-mix(in srgb, var(--color-success) 12%, transparent); border-color: color-mix(in srgb, var(--color-success) 35%, transparent); color: var(--color-success-hover); }
.alert-warning { background-color: color-mix(in srgb, var(--color-warning) 18%, transparent); border-color: color-mix(in srgb, var(--color-warning) 38%, transparent); color: #111827; }
.alert-danger { background-color: color-mix(in srgb, var(--color-danger) 12%, transparent); border-color: color-mix(in srgb, var(--color-danger) 35%, transparent); color: var(--color-danger-hover); }

.btn-cta {
  background-color: var(--color-cta);
  color: var(--color-primary-contrast);
}
.btn-cta:hover { background-color: var(--color-cta-hover); }

.btn-secondary {
  background-color: var(--color-muted-bg);
  color: var(--color-muted-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background-color: var(--color-muted-bg-hover); }

.btn-success {
  background-color: var(--color-success);
  color: var(--color-primary-contrast);
}
.btn-success:hover { background-color: var(--color-success-hover); }

.btn-warning {
  background-color: var(--color-warning);
  color: #111827; /* high contrast on amber */
}
.btn-warning:hover { background-color: var(--color-warning-hover); }

.btn-danger {
  background-color: var(--color-danger);
  color: var(--color-primary-contrast);
}
.btn-danger:hover { background-color: var(--color-danger-hover); }



/* Vertical tabs (rotated labels) */
.vertical-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem; /* ~w-8 */
  height: 5.5rem; /* tighter */
  border-left: 2px solid var(--color-border);
  outline: 1px solid var(--color-border);
  border-radius: 0 0.5rem 0.5rem 0;
  background-color: transparent;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.vertical-tab:hover { background-color: var(--color-muted-bg); }
.vertical-tab .vertical-label {
  display: inline-block;
  transform: rotate(-90deg);
  white-space: nowrap;
  font-size: 0.75rem; /* text-sm-ish */
  font-weight: 600;
  color: var(--color-text-muted);
}
.vertical-tab-active {
  background-color: var(--color-info-bg);
  border-left-color: var(--color-accent);
  outline-color: var(--color-accent);
}
.vertical-tab-active .vertical-label { color: var(--color-accent); }

.dark .vertical-tab:hover { background-color: #0f172a; }
.dark .vertical-tab .vertical-label { color: #94a3b8; }
.dark .vertical-tab-active { background-color: rgba(59,130,246,0.12); border-left-color: #3b82f6; }
.dark .vertical-tab-active .vertical-label { color: #60a5fa; }

#modal .relative {
  border: 1px solid rgba(15,23,42,0.08);
  border-radius: 0.9rem;
}

/* Toast container subtle spacing */
#toast-container > div {
  border-radius: 0.75rem;
}

/* Dark mode base uses variables above */
.dark body,
body.dark {
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* Dark navbar */
.dark .nav-glass { background-color: rgba(2,6,23,0.6); }

/* Ensure brand red wins in dark mode even with nav-glass present */
.dark .nav-brand.nav-glass { background-color: var(--color-brand); }

/* Cards in dark mode */
.dark .modern-card { border-color: var(--card-border-color); background-color: var(--color-surface); box-shadow: var(--card-shadow); }

/* Ensure bullets render in read-only note panels */
.note-content ul { list-style: disc; padding-left: 1.25rem; }
.note-content ol { list-style: decimal; padding-left: 1.25rem; }
.note-content ul ul { list-style: circle; }
.note-content li { margin: 0.25rem 0; }

/* Inputs */
.dark input[type="text"],
.dark input[type="email"],
.dark input[type="date"],
.dark input[type="number"],
.dark input[type="password"],
.dark textarea,
.dark select { background-color: var(--color-input-bg); color: var(--color-text); border-color: var(--color-input-border); }

/* Dark link styles */
.dark a { color: var(--color-primary); }
.dark a.btn { color: #ffffff; }
.dark a.btn:hover { color: #ffffff; }
.dark a.btn:visited { color: #ffffff; }

/* Dark mode: datetime-local input */
.dark input[type="datetime-local"] {
  color-scheme: dark;
  background-color: var(--color-input-bg);
  color: var(--color-text);
  border-color: var(--color-input-border);
}
.dark input[type="datetime-local"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-focus);
  outline: none;
}

/* Settings modal cancel button contrast fix */
.dark #edit-diagnosis-modal button.bg-gray-300 { background-color: var(--color-muted-bg); color: var(--color-muted-text); }
.dark #edit-diagnosis-modal button.hover\:bg-gray-400:hover { background-color: var(--color-muted-bg-hover); color: var(--color-muted-text); }