/* ===================================================
   SOTAI — kdpi.css  (beautiful redesign)
   Inherits CSS vars from main.css.
   Extra vars specific to this page only.
   =================================================== */

/* ---- Page-level accent vars (light) ---- */
:root {
  --kdpi-accent-l: #eef4ff;
  --kdpi-accent-b: #c8ddf7;
  --kdpi-metric-bg: #f4f8fd;
  --kdpi-inp-b: #d8e4f0;
}

[data-theme="dark"] {
  --kdpi-accent-l: #1c2e58;
  --kdpi-accent-b: #2a4478;
  --kdpi-metric-bg: #1b2540;
  --kdpi-inp-b: #253550;
}

/* ===== PAGE LAYOUT ===== */
.kdpi-page {
  padding: 24px 20px 48px;
}

.kdpi-wrap {
  max-width: 1100px;
  margin: 0 auto;
}

/* ===== HEADER ===== */
.kdpi-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}

.kdpi-eyebrow {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 8px;
  transition: color .3s;
}

.kdpi-eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  transition: background .3s;
}

.kdpi-title {
  margin: 0 0 5px;
  font-size: 26px;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.4px;
  transition: color .3s;
}

.kdpi-subtitle {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 520px;
  transition: color .3s;
}

.kdpi-header__right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  flex-shrink: 0;
  margin-top: 4px;
}

/* ---- Chips ---- */
.kdpi-chip {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  transition: all .3s;
}

.kdpi-chip--soft {
  background: var(--kdpi-accent-l);
  border-color: var(--kdpi-accent-b);
  color: var(--accent);
}

/* ===== GRID ===== */
.kdpi-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 16px;
  align-items: start;
}

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

/* ===== CARD ===== */
.kdpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: background .3s, border-color .3s, box-shadow .3s;
}

.kdpi-card:hover {
  box-shadow: var(--shadow-hover);
}

/* Card header with accent left stripe */
.kdpi-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 14px;
  border-bottom: 1px solid var(--border);
  position: relative;
  transition: border-color .3s;
}

.kdpi-card__head::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
  transition: background .3s;
}

.kdpi-card__title {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-primary);
  transition: color .3s;
}

.kdpi-card__hint {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-toolbar);
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  transition: all .3s;
}

/* ===== FORM ===== */
.kdpi-form {
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 16px;
}

@media (max-width: 600px) {
  .kdpi-form { grid-template-columns: 1fr; }
}

/* Field label with small icon box */
.kdpi-field label {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 7px;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  transition: color .3s;
}

.kdpi-field label::before {
  content: '';
  width: 3px;
  height: 14px;
  border-radius: 2px;
  background: var(--accent);
  opacity: 0.5;
  flex-shrink: 0;
  transition: background .3s;
}

/* Inputs & selects */
.kdpi-input,
.kdpi-select {
  width: 100%;
  padding: 10px 14px;
  border-radius: 11px;
  border: 1.5px solid var(--kdpi-inp-b);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  outline: none;
  transition: border-color .2s, box-shadow .2s, background .3s, color .3s;
  appearance: auto;
}

.kdpi-input::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

.kdpi-input:hover,
.kdpi-select:hover {
  border-color: var(--text-muted);
}

.kdpi-input:focus,
.kdpi-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3.5px rgba(30, 79, 163, 0.12);
}

[data-theme="dark"] .kdpi-input:focus,
[data-theme="dark"] .kdpi-select:focus {
  box-shadow: 0 0 0 3.5px rgba(77, 136, 224, 0.18);
}

/* Full-width field */
.kdpi-field--full { grid-column: 1 / -1; }

/* Creatinine input group */
.kdpi-inputgroup {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.kdpi-inputgroup .kdpi-input  { flex: 1; width: auto; }
.kdpi-inputgroup .kdpi-select { flex: 0 0 120px; width: 120px; }

@media (max-width: 480px) {
  .kdpi-inputgroup { flex-direction: column; }
  .kdpi-inputgroup .kdpi-select { flex: none; width: 100%; }
}

.kdpi-help {
  margin-top: 6px;
  font-size: 11.5px;
  color: var(--text-muted);
  transition: color .3s;
}

/* Section dividers inside form */
.kdpi-section-label {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 2px 0 -2px;
}

.kdpi-section-label span {
  font-size: 10.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color .3s;
}

.kdpi-section-label::before,
.kdpi-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  transition: background .3s;
}

/* ---- Actions ---- */
.kdpi-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.kdpi-btn {
  border: none;
  border-radius: 11px;
  padding: 11px 28px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  transition: opacity .15s, transform .1s, background .3s, color .3s, border-color .3s;
  letter-spacing: 0.02em;
}

.kdpi-btn:active { transform: scale(0.98); }

.kdpi-btn--primary {
  background: var(--accent);
  color: #fff;
}

.kdpi-btn--primary:hover { opacity: 0.9; }

.kdpi-btn--primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.kdpi-btn:not(.kdpi-btn--primary) {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
}

.kdpi-btn:not(.kdpi-btn--primary):hover {
  border-color: var(--text-muted);
}

/* ===== RESULT PANEL ===== */
.kdpi-result { padding: 20px; }

/* Empty state */
.kdpi-empty {
  padding: 32px 20px;
  border-radius: 14px;
  border: 1.5px dashed var(--border);
  background: var(--bg-toolbar);
  text-align: center;
  transition: all .3s;
}

.kdpi-empty-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--kdpi-accent-l);
  border: 1px solid var(--kdpi-accent-b);
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s;
}

.kdpi-empty-icon svg {
  width: 20px;
  height: 20px;
  fill: var(--accent);
  transition: fill .3s;
}

.kdpi-empty-text {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  transition: color .3s;
}

.kdpi-empty-text b { color: var(--text-secondary); }

/* KDPI badge row */
.kdpi-top {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 16px;
}

.kdpi-badge {
  width: 88px;
  height: 88px;
  border-radius: 20px;
  background: var(--kdpi-accent-l);
  border: 1.5px solid var(--kdpi-accent-b);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .3s;
}

.kdpi-badge__num {
  font-size: 28px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.5px;
  transition: color .3s;
}

.kdpi-badge__num span {
  font-size: 14px;
  font-weight: 700;
}

.kdpi-badge__label {
  margin-top: 5px;
  font-size: 9.5px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.75;
  transition: color .3s;
}

.kdpi-top__meta { flex: 1; }

.kdpi-meta__title {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
  transition: color .3s;
}

.kdpi-meta__sub {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.45;
  transition: color .3s;
}

/* ---- KDPI risk bar ---- */
.kdpi-bar-wrap {
  margin-bottom: 16px;
}

.kdpi-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 6px;
  transition: color .3s;
}

.kdpi-bar-track {
  height: 8px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
  transition: background .3s;
}

.kdpi-bar-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #22c55e 0%, #f59e0b 50%, #ef4444 100%);
  transition: width .6s cubic-bezier(.4, 0, .2, 1);
}

.kdpi-bar-ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
}

.kdpi-bar-ticks span {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-tiny);
  transition: color .3s;
}

/* Survival metrics */
.kdpi-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

@media (max-width: 480px) {
  .kdpi-metrics { grid-template-columns: 1fr; }
}

.kdpi-metric {
  background: var(--kdpi-metric-bg);
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 13px 14px;
  transition: all .3s;
}

.kdpi-metric .k {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
  transition: color .3s;
}

.kdpi-metric .v {
  font-size: 22px;
  font-weight: 900;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  transition: color .3s;
}

/* Note / tip box */
.kdpi-note {
  padding: 11px 14px;
  border-radius: 11px;
  background: var(--bg-toolbar);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  display: flex;
  gap: 8px;
  align-items: flex-start;
  transition: all .3s;
}

.kdpi-note svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  fill: var(--accent);
  margin-top: 1px;
  transition: fill .3s;
}

/* Loading */
.kdpi-loading {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 18px;
  border-radius: 13px;
  border: 1px solid var(--border);
  background: var(--bg-toolbar);
  transition: all .3s;
}

.kdpi-spinner {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2.5px solid var(--border);
  border-top-color: var(--accent);
  animation: kdpiSpin 0.9s linear infinite;
  flex-shrink: 0;
  transition: border-color .3s;
}

@keyframes kdpiSpin { to { transform: rotate(360deg); } }

.kdpi-loading__title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  transition: color .3s;
}

.kdpi-loading__sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
  transition: color .3s;
}

/* Error alert */
.kdpi-alert {
  padding: 14px 16px;
  border-radius: 13px;
}

.kdpi-alert--error {
  background: rgba(239, 68, 68, 0.07);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

[data-theme="dark"] .kdpi-alert--error {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.28);
}

.kdpi-alert__title {
  font-size: 13px;
  font-weight: 800;
  color: #b91c1c;
  margin-bottom: 4px;
}

[data-theme="dark"] .kdpi-alert__title { color: #fca5a5; }

.kdpi-alert__text {
  font-size: 12px;
  color: #991b1b;
  line-height: 1.4;
}

[data-theme="dark"] .kdpi-alert__text { color: #fca5a5; opacity: .85; }