/**
 * PKC River Conditions v3.0 - Stylesheet
 * Light theme with CSS custom properties
 * Matches Sea Kayak Conditions design system
 */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* == LIGHT THEME == */

.prc-root {
  --prc-bg:            #F4F6F9;
  --prc-navy:          #FFFFFF;
  --prc-navy-light:    #FFFFFF;
  --prc-navy-mid:      #E8ECF1;
  --prc-navy-border:   #D0D7E2;
  --prc-teal:          #17806F;
  --prc-teal-light:    #14967E;
  --prc-teal-glow:     rgba(20,150,126,0.14);
  --prc-gold:          #B8912F;
  --prc-red:           #B83434;
  --prc-amber:         #C97D28;
  --prc-green:         #238555;
  --prc-purple:        #6B2E78;
  --prc-blue:          #2E6B8A;
  --prc-foam:          #1A2233;
  --prc-text-sec:      #4A5568;
  --prc-text-muted:    #8494A7;
  --prc-card-bg:       #FFFFFF;
  --prc-card-border:   #D0D7E2;
  --prc-input-bg:      #F4F6F9;
  --prc-scrollbar-bg:  #F4F6F9;
  --prc-scrollbar-thumb:#C4CCD8;
  --prc-safe-bg:       rgba(35,133,85,0.08);
  --prc-caution-bg:    rgba(201,125,40,0.08);
  --prc-danger-bg:     rgba(184,52,52,0.08);
  --prc-tooltip-bg:    #FFFFFF;
  --prc-shadow:        0 2px 8px rgba(0,0,0,0.08);
  --prc-overlay:       rgba(244,246,249,0.85);
}


/* == RESET & BASE == */

.prc-root {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 13px;
  color: var(--prc-foam);
  background: var(--prc-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.prc-root *, .prc-root *::before, .prc-root *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.prc-root input,
.prc-root select,
.prc-root textarea,
.prc-root button {
  font-family: inherit;
  outline: none;
}
.prc-root input:focus,
.prc-root select:focus,
.prc-root textarea:focus {
  border-color: var(--prc-teal) !important;
}
.prc-root button { cursor: pointer; }
.prc-root button:hover { opacity: 0.88; }


/* == SCROLLBAR == */

.prc-root ::-webkit-scrollbar { width: 6px; }
.prc-root ::-webkit-scrollbar-track { background: var(--prc-scrollbar-bg); }
.prc-root ::-webkit-scrollbar-thumb { background: var(--prc-scrollbar-thumb); border-radius: 3px; }


/* == LAYOUT == */

.prc-shell {
  display: flex;
  min-height: 92vh;
  position: relative;
}

.prc-sidebar {
  width: 360px;
  flex-shrink: 0;
  border-right: 1px solid var(--prc-navy-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--prc-navy);
}

.prc-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}


/* == HEADER BAR == */

.prc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--prc-navy-border);
  background: var(--prc-navy);
  gap: 12px;
}
.prc-header-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--prc-foam);
  letter-spacing: 0.02em;
}
.prc-header-sub {
  font-size: 10px;
  color: var(--prc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.prc-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}


/* == SIDEBAR SECTIONS == */

.prc-sidebar-section {
  padding: 14px 16px;
  border-bottom: 1px solid var(--prc-navy-border);
}
.prc-section-heading {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
}
.prc-section-icon {
  font-size: 14px;
  flex-shrink: 0;
}
.prc-section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--prc-foam);
}


/* == PROFILE SELECTS == */

.prc-profile-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: 10px;
}
.prc-profile-label {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--prc-text-muted);
  margin-bottom: 3px;
}
.prc-profile-select {
  width: 100%;
  padding: 10px 10px;
  min-height: 38px;
  background: var(--prc-navy-light);
  border: 1px solid var(--prc-navy-border);
  border-radius: 4px;
  color: var(--prc-foam);
  font-size: 12px;
  line-height: 1.4;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%238494A7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}
.prc-thresholds-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 8px 0;
  border-top: 1px solid rgba(42,58,82,0.25);
}
.prc-threshold-item {
  text-align: center;
}
.prc-threshold-label {
  font-size: 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--prc-text-muted);
}
.prc-threshold-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--prc-teal-light);
}


/* == SEARCH & FILTER == */

.prc-search-input {
  width: 100%;
  padding: 8px 12px;
  background: var(--prc-navy-light);
  border: 1px solid var(--prc-navy-border);
  border-radius: 6px;
  color: var(--prc-foam);
  font-size: 11px;
  margin-bottom: 8px;
}
.prc-search-input::placeholder { color: var(--prc-text-muted); }

.prc-county-filters {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  align-items: center;
}
.prc-county-filters-label {
  font-size: 11px;
  color: var(--prc-text-muted);
  margin-right: 4px;
  line-height: 24px;
}
.prc-county-btn {
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid var(--prc-navy-border);
  background: transparent;
  color: var(--prc-text-muted);
  transition: all 0.15s;
}
.prc-county-btn.active {
  background: var(--prc-teal-glow);
  border-color: var(--prc-teal);
  color: var(--prc-teal-light);
}


/* == MAP == */

.prc-map-wrap {
  position: relative;
  background: var(--prc-bg);
  border-radius: 8px;
  border: 1px solid var(--prc-navy-border);
  overflow: hidden;
  padding: 8px;
}
.prc-map-wrap svg { display: block; width: 100%; }
.prc-map-legend {
  position: absolute;
  bottom: 10px;
  left: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.prc-map-legend-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--prc-green);
}
.prc-map-legend-text {
  font-size: 8px;
  color: var(--prc-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
}


/* == STATION LIST == */

.prc-loc-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 8px 8px;
}
.prc-loc-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 2px;
  border-left: 3px solid transparent;
  transition: background 0.15s;
}
.prc-loc-item:hover {
  background: var(--prc-navy-light);
}
.prc-loc-item.selected {
  background: var(--prc-navy-light);
}
.prc-loc-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--prc-foam);
}
.prc-loc-river {
  font-size: 10px;
  color: var(--prc-text-muted);
  margin-left: 6px;
}
.prc-loc-meta {
  display: flex;
  gap: 8px;
  margin-top: 3px;
  font-size: 10px;
  color: var(--prc-text-muted);
}
.prc-loc-badge {
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 9px;
  font-weight: 700;
}
.prc-loc-chevron {
  color: var(--prc-text-muted);
  font-size: 14px;
}
.prc-river-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--prc-blue);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 12px 4px;
}


/* == TAB NAVIGATION == */

.prc-tab-bar {
  display: flex;
  justify-content: center;
  gap: 4px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--prc-navy-border);
  background: var(--prc-navy);
  flex-wrap: wrap;
}
.prc-tab-btn {
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid transparent;
  background: transparent;
  color: var(--prc-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
}
.prc-tab-btn:hover { color: var(--prc-text-sec); }
.prc-tab-btn.active {
  border-color: var(--prc-teal);
  background: var(--prc-teal-glow);
  color: var(--prc-teal-light);
}
.prc-tab-icon { font-size: 13px; }


/* == TAB CONTENT == */

.prc-tab-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}


/* == CARDS == */

.prc-card {
  background: var(--prc-card-bg);
  border: 1px solid var(--prc-card-border);
  border-radius: 8px;
  padding: 16px;
}


/* == LABELS == */

.prc-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--prc-text-muted);
}


/* == DATA PILL == */

.prc-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}
.prc-pill-unit {
  font-size: 10px;
  opacity: 0.7;
}


/* == BADGES == */

.prc-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.prc-badge-sm {
  padding: 2px 8px;
  font-size: 10px;
}


/* == FACTOR CARDS GRID == */

.prc-factors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.prc-factor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.prc-factor-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--prc-text-sec);
}
.prc-factor-icon { font-size: 14px; }
.prc-factor-value {
  font-size: 28px;
  font-weight: 300;
  color: var(--prc-foam);
}
.prc-factor-unit {
  font-size: 13px;
  color: var(--prc-text-muted);
  margin-left: 6px;
}


/* == HAZARDS == */

.prc-hazards-card {
  border-left: 3px solid var(--prc-amber);
}


/* == CHART AREA == */

.prc-chart-wrap {
  width: 100%;
  position: relative;
  overflow: hidden;
}
.prc-chart-wrap svg { display: block; width: 100%; }


/* == AI GUIDE == */

.prc-guide-textarea {
  width: 100%;
  min-height: 120px;
  background: var(--prc-input-bg);
  border: 1px solid var(--prc-navy-border);
  border-radius: 6px;
  padding: 12px;
  color: var(--prc-text-sec);
  font-size: 12px;
  line-height: 1.6;
  resize: vertical;
}
.prc-guide-textarea::placeholder { color: var(--prc-text-muted); }

.prc-guide-btn {
  width: 100%;
  padding: 12px 20px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--prc-teal), var(--prc-teal-light));
  border: none;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
}

.prc-suggestion-btn {
  padding: 10px 12px;
  background: var(--prc-input-bg);
  border: 1px solid var(--prc-navy-border);
  border-radius: 6px;
  color: var(--prc-text-sec);
  font-size: 11px;
  line-height: 1.5;
  text-align: left;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}
.prc-suggestion-dot { color: var(--prc-teal-light); flex-shrink: 0; }


/* == TRIP PLANNER == */

.prc-float-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.prc-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.prc-form-input {
  width: 100%;
  padding: 8px 12px;
  background: var(--prc-input-bg);
  border: 1px solid var(--prc-navy-border);
  border-radius: 6px;
  color: var(--prc-foam);
  font-size: 12px;
}
.prc-form-input::placeholder { color: var(--prc-text-muted); }

.prc-gear-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(42,58,82,0.25);
  cursor: pointer;
}
.prc-gear-box {
  width: 18px;
  height: 18px;
  border-radius: 3px;
  border: 2px solid var(--prc-navy-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  transition: all 0.15s;
}
.prc-gear-box.checked {
  border-color: var(--prc-green);
  background: var(--prc-safe-bg);
}
.prc-gear-tick {
  color: var(--prc-green);
  font-size: 12px;
  font-weight: 700;
}
.prc-gear-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--prc-foam);
}
.prc-gear-note {
  font-size: 10px;
  color: var(--prc-text-muted);
  margin-top: 1px;
}

.prc-save-btn {
  width: 100%;
  padding: 14px 20px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--prc-green), var(--prc-teal-light));
  border: none;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}


/* == LOADING / ERROR == */

.prc-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  gap: 16px;
}
.prc-loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--prc-navy-border);
  border-top-color: var(--prc-teal-light);
  border-radius: 50%;
  animation: prc-spin 0.8s linear infinite;
}
@keyframes prc-spin { to { transform: rotate(360deg); } }

.prc-loading-text {
  font-size: 13px;
  color: var(--prc-text-muted);
}
.prc-error-text {
  font-size: 13px;
  color: var(--prc-red);
  text-align: center;
  max-width: 400px;
}
.prc-stale-notice {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--prc-caution-bg);
  border: 1px solid rgba(230,148,58,0.3);
  border-radius: 6px;
  font-size: 11px;
  color: var(--prc-amber);
}


/* == MOBILE SIDEBAR TOGGLE == */

.prc-mobile-toggle {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 100;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--prc-teal);
  border: none;
  color: #fff;
  font-size: 22px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  align-items: center;
  justify-content: center;
}


/* == RESPONSIVE == */

@media (max-width: 900px) {
  .prc-shell { flex-direction: column; }
  .prc-sidebar {
    width: 100%;
    max-height: none;
    border-right: none;
    border-bottom: 1px solid var(--prc-navy-border);
  }
  .prc-sidebar.collapsed {
    max-height: 0;
    overflow: hidden;
    border-bottom: none;
    padding: 0;
  }
  .prc-mobile-toggle { display: flex; }
  .prc-tab-bar { padding: 8px 10px; gap: 2px; }
  .prc-tab-btn { padding: 6px 12px; font-size: 11px; }
  .prc-tab-content { padding: 12px; }
  .prc-factors-grid { grid-template-columns: 1fr; }
  .prc-float-grid { grid-template-columns: 1fr; }
  .prc-form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .prc-header-title { font-size: 15px; }
  .prc-factor-value { font-size: 22px; }
  .prc-tab-btn span.prc-tab-label { display: none; }
}