/* EV4EU Charging PWA - shared styles.
   Mobile-first: this is meant to be used standing at a charger, often on a
   phone. Touch targets stay >=44px; layout is single-column by default. */

:root {
  --color-bg: #f4f6f8;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #5b6672;
  --color-border: #dde3e8;
  --color-primary: #0d72b9;
  --color-primary-contrast: #ffffff;
  --color-success-bg: #e6f6ee;
  --color-success-text: #146c43;
  --color-error-bg: #fdeceb;
  --color-error-text: #b3261e;
  --color-warning-bg: #fff6e0;
  --color-warning-text: #8a5a00;
  --color-info-bg: #e7f1fb;
  --color-info-text: #0d4a7a;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #14181c;
    --color-surface: #1f2429;
    --color-text: #edf1f4;
    --color-muted: #9aa5b1;
    --color-border: #333b42;
    --color-success-bg: #123524;
    --color-success-text: #6fd39b;
    --color-error-bg: #3a1e1c;
    --color-error-text: #f3a6a0;
    --color-warning-bg: #3a2f10;
    --color-warning-text: #f0c46a;
    --color-info-bg: #17293a;
    --color-info-text: #8ec4f2;
  }
}

:root[data-theme="dark"] {
  --color-bg: #14181c;
  --color-surface: #1f2429;
  --color-text: #edf1f4;
  --color-muted: #9aa5b1;
  --color-border: #333b42;
  --color-success-bg: #123524;
  --color-success-text: #6fd39b;
  --color-error-bg: #3a1e1c;
  --color-error-text: #f3a6a0;
  --color-warning-bg: #3a2f10;
  --color-warning-text: #f0c46a;
  --color-info-bg: #17293a;
  --color-info-text: #8ec4f2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: linear-gradient(to right, #55c0ae, #0d72b9);
  color: #ffffff;
}

.app-header h1 {
  margin: 0;
  font-size: 1.25rem;
}

.icon-button {
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: inherit;
  font-size: 1.25rem;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius);
  cursor: pointer;
}

.page {
  max-width: 560px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
}

.panel h2 {
  margin-top: 0;
}

.link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.link-list a {
  display: block;
  padding: 12px 16px;
  min-height: 44px;
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.link-list a:hover,
.link-list a:focus-visible {
  background: var(--color-info-bg);
}

form label {
  display: block;
  margin-bottom: 14px;
  font-weight: 600;
}

form input,
form select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  min-height: 44px;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
}

form .consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 400;
}

form .consent input {
  width: auto;
  min-height: auto;
  margin-top: 2px;
}

button[type="submit"] {
  width: 100%;
  min-height: 48px;
  border: none;
  border-radius: var(--radius);
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

button[type="submit"]:hover,
button[type="submit"]:focus-visible {
  filter: brightness(1.08);
}

.result {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius);
  font-weight: 600;
}

.result--success {
  background: var(--color-success-bg);
  color: var(--color-success-text);
}

.result--error {
  background: var(--color-error-bg);
  color: var(--color-error-text);
}

.result--warning {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
}

.result--info {
  background: var(--color-info-bg);
  color: var(--color-info-text);
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 10;
}

/* The [hidden] attribute selector needs higher specificity than the class
   rule above, or the browser's built-in `[hidden] { display: none }` loses
   to our own `display: flex` and the overlay never actually hides - which
   is exactly the bug where the welcome popup stayed up after signup. */
.overlay[hidden] {
  display: none;
}

.overlay .modal {
  width: 100%;
  max-width: 420px;
}

.app-footer {
  text-align: center;
  color: var(--color-muted);
  padding: 24px 16px 40px;
  font-size: 0.875rem;
}

.back-link {
  color: inherit;
  text-decoration: none;
  font-weight: 600;
}

.build-info {
  margin: 4px 0 0;
  font-size: 0.75rem;
  opacity: 0.75;
}

/* Previous sessions (GET /api/me/sessions) */
.panel-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.text-button {
  border: none;
  background: none;
  color: var(--color-primary);
  font: inherit;
  font-weight: 600;
  min-height: 44px;
  cursor: pointer;
}

.muted {
  color: var(--color-muted);
}

.history-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.history-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 14px;
}

.history-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin-bottom: 6px;
}

.history-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 12px;
  margin: 0;
  font-size: 0.95rem;
}

.history-grid dt {
  color: var(--color-muted);
}

.history-grid dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.pill {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--color-info-bg);
  color: var(--color-info-text);
}

.pill--active {
  background: var(--color-success-bg);
  color: var(--color-success-text);
}

.pill--unknown {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
}

/* Session sliders + flexibility quote (ported from
   docs/flexibility-credits/interactive-draft.html) */
.slider-field {
  margin-bottom: 18px;
}

.slider-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  font-weight: 600;
}

.slider-row output {
  font-variant-numeric: tabular-nums;
}

.hint {
  margin: 2px 0 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 44px;
  min-height: 0;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 4px;
  background: var(--track, var(--color-border));
}

input[type="range"]::-moz-range-track {
  height: 8px;
  border-radius: 4px;
  background: var(--track, var(--color-border));
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  margin-top: -9px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-surface);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
}

input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-surface);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
}

.quote {
  --qc: var(--color-muted);
  border: 2px solid var(--qc);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 16px;
  background: color-mix(in srgb, var(--qc) 10%, var(--color-surface));
}

.quote-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.quote-price {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--qc);
  font-variant-numeric: tabular-nums;
}

.quote-label {
  font-weight: 700;
  color: var(--qc);
}

.quote-scale {
  position: relative;
  height: 12px;
  border-radius: 6px;
  margin: 12px 0 4px;
  background: linear-gradient(to right, hsl(120 65% 40%), hsl(60 85% 45%), hsl(0 70% 48%));
}

.quote-marker {
  position: absolute;
  top: -5px;
  width: 4px;
  height: 22px;
  border-radius: 2px;
  background: var(--color-text);
  transform: translateX(-50%);
  transition: left 0.15s;
}

.quote-ends {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.quote-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 16px;
  margin: 12px 0 8px;
}

.quote-stats dt {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.quote-stats dd {
  margin: 0;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.balance-chip {
  margin-left: auto;
  margin-right: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.balance-chip[hidden] {
  display: none;
}

.negative {
  color: var(--color-error-text);
}

button[type="submit"]:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: none;
}

/* EVSE dropdown: charger with a car plugged in (GET /api/evses, connected) */
.evse-connected {
  color: var(--color-success-text);
  font-weight: 600;
}

.evse-status {
  margin: -8px 0 14px;
  color: var(--color-success-text);
  font-weight: 700;
}

.evse-status[hidden] {
  display: none;
}