/* KlinikTalk OVI.AI — v5-style light default (kliniktalk_v5architecture), optional dark theme */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-tap-highlight-color: transparent;
}

/* Light = default (matches concepts/kliniktalk_v5architecture.html) */
html[data-theme="light"] {
  --kt-primary: #00b8a9;
  --kt-primary-hover: #009e91;
  --kt-primary-dark: #007f73;
  --kt-emerald: #059669;
  --kt-page-bg: #f1f5f9;
  --kt-page-grad-end: #e2e8f0;
  --kt-surface: #ffffff;
  --kt-surface-2: #f8fafc;
  --kt-surface-inset: #f1f5f9;
  --kt-border: #e2e8f0;
  --kt-border-strong: #cbd5e1;
  --kt-text: #1e293b;
  --kt-text-muted: #64748b;
  --kt-text-soft: #475569;
  --kt-nav-grad: linear-gradient(135deg, #00b8a9 0%, #007f73 100%);
  --kt-nav-link: rgba(255, 255, 255, 0.92);
  --kt-nav-link-hover: #ffffff;
  --kt-shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
  --kt-shadow-hover: 0 12px 24px -8px rgba(0, 184, 169, 0.18);
  --kt-chat-bg: #f8fafc;
  --kt-msg-user-bg: rgba(59, 130, 246, 0.1);
  --kt-msg-user-border: rgba(59, 130, 246, 0.22);
  --kt-msg-asst-bg: rgba(0, 184, 169, 0.1);
  --kt-msg-asst-border: rgba(0, 184, 169, 0.25);
  --kt-input-bg: #ffffff;
  --kt-input-border: #cbd5e1;
  --kt-input-text: #1e293b;
  --kt-prompt-bg: #ffffff;
  --kt-toast-bg: #1e293b;
  --kt-toast-text: #f8fafc;
  --kt-toast-border: rgba(255, 255, 255, 0.12);
  --kt-mark-bg: rgba(255, 255, 255, 0.95);
  --kt-mark-text: #007f73;
  color-scheme: light;
}

html[data-theme="dark"] {
  --kt-page-bg: #060d1a;
  --kt-page-grad-end: #060d1a;
  --kt-surface: #0d1829;
  --kt-surface-2: #111f35;
  --kt-surface-inset: #060d14;
  --kt-border: rgba(255, 255, 255, 0.08);
  --kt-border-strong: rgba(255, 255, 255, 0.12);
  --kt-text: #eef2ff;
  --kt-text-muted: #94a3b8;
  --kt-text-soft: #64748b;
  --kt-nav-grad: linear-gradient(135deg, #045a52 0%, #022c26 100%);
  --kt-nav-link: #8ba3c7;
  --kt-nav-link-hover: #5eead4;
  --kt-shadow-card: none;
  --kt-shadow-hover: none;
  --kt-chat-bg: #060d14;
  --kt-msg-user-bg: rgba(79, 142, 247, 0.12);
  --kt-msg-user-border: rgba(79, 142, 247, 0.2);
  --kt-msg-asst-bg: rgba(0, 201, 167, 0.08);
  --kt-msg-asst-border: rgba(0, 201, 167, 0.18);
  --kt-input-bg: #111f35;
  --kt-input-border: rgba(255, 255, 255, 0.1);
  --kt-input-text: #eef2ff;
  --kt-prompt-bg: #111f35;
  --kt-toast-bg: #1e293b;
  --kt-toast-text: #f1f5f9;
  --kt-toast-border: rgba(255, 255, 255, 0.12);
  --kt-mark-bg: linear-gradient(135deg, #00c9a7, #4f8ef7);
  --kt-mark-text: #ffffff;
  color-scheme: dark;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--kt-page-bg);
  color: var(--kt-text);
  min-height: 100dvh;
  line-height: 1.55;
  font-size: 17px;
}

a {
  color: var(--kt-primary-dark);
  text-decoration: none;
  font-weight: 600;
}
a:hover {
  text-decoration: underline;
  color: var(--kt-primary);
}

html[data-theme="dark"] a {
  color: #7dd3fc;
}
html[data-theme="dark"] a:hover {
  color: #a5f3fc;
}

.ktai-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;
}

.ktai-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  min-height: 60px;
  padding: 12px 22px;
  background: var(--kt-nav-grad);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

html[data-theme="dark"] .ktai-nav {
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.ktai-mark {
  background: var(--kt-mark-bg);
  color: var(--kt-mark-text);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 8px;
}

.ktai-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 17px;
  color: #fff;
}

.ktai-nav-right {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.ktai-nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 15px;
  font-weight: 600;
}

.ktai-nav-links a {
  color: var(--kt-nav-link);
}
.ktai-nav-links a:hover {
  color: var(--kt-nav-link-hover);
  text-decoration: none;
}

html[data-theme="dark"] .ktai-nav-links a {
  color: var(--kt-nav-link);
}
html[data-theme="dark"] .ktai-nav-links a:hover {
  color: var(--kt-nav-link-hover);
}

.ktai-nav-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ktai-theme-select {
  appearance: auto;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  border-radius: 10px;
  padding: 8px 12px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

html[data-theme="dark"] .ktai-theme-select {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

.ktai-theme-select option {
  color: #1e293b;
  background: #fff;
}

.ktai-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 56px;
}

.ktai-hero {
  margin-bottom: 26px;
}

.ktai-hero h1 {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--kt-text);
}

.ktai-hero p {
  color: var(--kt-text-muted);
  font-size: 18px;
  max-width: 760px;
  line-height: 1.6;
}

.ktai-flow {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(118px, 1fr));
  gap: 10px;
  margin-bottom: 26px;
}

@media (min-width: 900px) {
  .ktai-flow {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }
}

.ktai-flow-step {
  background: var(--kt-surface);
  border: 1px solid var(--kt-border);
  border-radius: 12px;
  padding: 12px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--kt-text-muted);
  text-align: center;
  box-shadow: var(--kt-shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ktai-flow-step:hover {
  transform: translateY(-2px);
  box-shadow: var(--kt-shadow-hover);
}

html[data-theme="dark"] .ktai-flow-step:hover {
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.ktai-flow-step .ktai-flow-n {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--kt-primary);
  margin-bottom: 6px;
}

.ktai-flow-step strong {
  display: block;
  color: var(--kt-text);
  font-size: 14px;
  margin-bottom: 5px;
  font-weight: 600;
}

.ktai-flow-sub {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--kt-text-soft);
  line-height: 1.4;
}

.ktai-flow-step.active {
  border-color: rgba(0, 184, 169, 0.45);
  color: var(--kt-primary-dark);
}

html[data-theme="dark"] .ktai-flow-step.active {
  color: #a5f3e0;
  border-color: rgba(0, 201, 167, 0.4);
}

.ktai-grid {
  display: grid;
  grid-template-columns: 1fr minmax(300px, 380px);
  gap: 22px;
}

@media (max-width: 900px) {
  .ktai-grid {
    grid-template-columns: 1fr;
  }
}

.ktai-panel {
  background: var(--kt-surface);
  border: 1px solid var(--kt-border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: var(--kt-shadow-card);
}

.ktai-panel h2 {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--kt-text);
  letter-spacing: -0.02em;
}

.ktai-lang-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.ktai-lang-row label {
  font-size: 15px;
  color: var(--kt-text-muted);
  font-weight: 600;
}

.ktai-lang-row select {
  background: var(--kt-input-bg);
  border: 1px solid var(--kt-input-border);
  color: var(--kt-input-text);
  border-radius: 10px;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 16px;
  min-height: 44px;
}

.ktai-triage {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  min-height: 40px;
}

.ktai-triage-label {
  font-size: 15px;
  color: var(--kt-text-muted);
  font-weight: 600;
}

.ktai-triage-reason {
  font-size: 15px;
  color: var(--kt-text-muted);
  flex: 1;
  min-width: 160px;
  line-height: 1.45;
}

.ktai-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid transparent;
}

.ktai-badge.low {
  background: rgba(16, 185, 129, 0.15);
  color: #047857;
  border-color: rgba(16, 185, 129, 0.35);
}
.ktai-badge.medium {
  background: rgba(234, 179, 8, 0.18);
  color: #a16207;
  border-color: rgba(234, 179, 8, 0.4);
}
.ktai-badge.high {
  background: rgba(249, 115, 22, 0.15);
  color: #c2410c;
  border-color: rgba(249, 115, 22, 0.35);
}
.ktai-badge.emergency {
  background: rgba(239, 68, 68, 0.15);
  color: #b91c1c;
  border-color: rgba(239, 68, 68, 0.35);
}
.ktai-badge.unknown {
  background: rgba(100, 116, 139, 0.12);
  color: var(--kt-text-muted);
  border-color: var(--kt-border-strong);
}

html[data-theme="dark"] .ktai-badge.low {
  color: #4ade80;
}
html[data-theme="dark"] .ktai-badge.medium {
  color: #facc15;
}
html[data-theme="dark"] .ktai-badge.high {
  color: #fb923c;
}
html[data-theme="dark"] .ktai-badge.emergency {
  color: #f87171;
}

.ktai-chat-log {
  background: var(--kt-chat-bg);
  border: 1px solid var(--kt-border);
  border-radius: 14px;
  min-height: 240px;
  max-height: 440px;
  overflow-y: auto;
  padding: 16px;
  margin-bottom: 14px;
  font-size: 16px;
}

.ktai-msg {
  margin-bottom: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  max-width: 95%;
}

.ktai-msg.user {
  margin-left: auto;
  background: var(--kt-msg-user-bg);
  border: 1px solid var(--kt-msg-user-border);
}

.ktai-msg.assistant {
  margin-right: auto;
  background: var(--kt-msg-asst-bg);
  border: 1px solid var(--kt-msg-asst-border);
}

.ktai-msg-role {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--kt-text-soft);
  margin-bottom: 6px;
}

.ktai-compose {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ktai-compose textarea {
  width: 100%;
  min-height: 100px;
  resize: vertical;
  background: var(--kt-input-bg);
  border: 1px solid var(--kt-input-border);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--kt-input-text);
  font-family: inherit;
  font-size: 17px;
  line-height: 1.5;
}

.ktai-compose textarea:focus {
  outline: 2px solid rgba(0, 184, 169, 0.35);
  outline-offset: 2px;
}

html[data-theme="dark"] .ktai-compose textarea:focus {
  outline-color: rgba(0, 201, 167, 0.45);
}

.ktai-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ktai-btn {
  border: none;
  border-radius: 12px;
  padding: 12px 22px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.12s;
  min-height: 46px;
}

.ktai-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.ktai-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.ktai-btn-primary {
  background: var(--kt-primary);
  color: #ffffff;
}

.ktai-btn-primary:hover:not(:disabled) {
  background: var(--kt-primary-hover);
}

html[data-theme="dark"] .ktai-btn-primary {
  color: #060d1a;
}

.ktai-btn-ghost {
  background: transparent;
  color: var(--kt-text-muted);
  border: 1px solid var(--kt-border-strong);
}

.ktai-roadmap {
  font-size: 15px;
  color: var(--kt-text-muted);
  margin-top: 14px;
  line-height: 1.6;
}

.ktai-lib-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--kt-text-muted);
  margin-bottom: 6px;
}

.ktai-library-tools {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 12px;
}

.ktai-library-tools input,
.ktai-library-tools select {
  width: 100%;
  background: var(--kt-input-bg);
  border: 1px solid var(--kt-input-border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--kt-input-text);
  font-family: inherit;
  font-size: 16px;
  min-height: 46px;
}

.ktai-prompt-list {
  max-height: 400px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ktai-prompt-item {
  text-align: left;
  background: var(--kt-prompt-bg);
  border: 1px solid var(--kt-border);
  border-radius: 12px;
  padding: 14px 16px;
  cursor: pointer;
  color: var(--kt-text);
  font-size: 16px;
  font-family: inherit;
  line-height: 1.45;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.ktai-prompt-item:hover {
  border-color: rgba(0, 184, 169, 0.45);
  box-shadow: var(--kt-shadow-hover);
}

.ktai-prompt-item small {
  display: block;
  margin-top: 6px;
  color: var(--kt-text-muted);
  font-size: 14px;
}

.ktai-prompt-empty {
  color: var(--kt-text-muted);
  font-size: 16px;
  padding: 12px 4px;
  line-height: 1.5;
}

.ktai-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--kt-toast-bg);
  border: 1px solid var(--kt-toast-border);
  color: var(--kt-toast-text);
  padding: 14px 22px;
  border-radius: 12px;
  font-size: 16px;
  display: none;
  z-index: 100;
  max-width: 90vw;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.ktai-toast.show {
  display: block;
}

.ktai-footnote {
  margin-top: 28px;
  font-size: 14px;
  color: var(--kt-text-muted);
  max-width: 760px;
  line-height: 1.55;
}