:root {
  --bg: #f4f5f3;
  --bg-accent: #e8ece8;
  --surface: #ffffff;
  --surface-muted: #f7f8f7;
  --text: #1e2421;
  --text-soft: #5b6660;
  --border: #d6ddd7;
  --accent: #1f6f5d;
  --accent-ink: #123f35;
  --danger: #9f2e2e;
  --shadow-sm: 0 4px 16px rgba(18, 32, 26, 0.07);
  --shadow-lg: 0 18px 44px rgba(20, 32, 29, 0.1);
  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 9px;
  --space-1: 6px;
  --space-2: 10px;
  --space-3: 14px;
  --space-4: 18px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 42px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100%;
  color: var(--text);
  font-family: "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
  background:
    radial-gradient(circle at 8% -10%, rgba(31, 111, 93, 0.12) 0%, rgba(31, 111, 93, 0) 48%),
    radial-gradient(circle at 92% 8%, rgba(144, 165, 152, 0.18) 0%, rgba(144, 165, 152, 0) 42%),
    linear-gradient(180deg, #fbfcfb 0%, var(--bg) 56%, var(--bg-accent) 100%);
}

a {
  color: var(--accent);
}

a:visited {
  color: var(--accent);
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 56px;
  padding: 0 var(--space-5);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(195, 207, 201, 0.72);
  backdrop-filter: blur(8px);
}

.top-nav > a {
  text-decoration: none;
  color: var(--accent-ink);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: var(--space-2) var(--space-1);
}

.top-nav > a:first-child {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-right: auto;
  font-weight: 800;
}

.top-nav > a img {
  width: 16px;
  height: 16px;
}

.app-shell {
  width: min(1100px, 94vw);
  margin: var(--space-6) auto var(--space-7);
  display: grid;
  gap: var(--space-5);
}

.hero-card,
.surface-card,
.image-surface {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: var(--space-6);
  background:
    linear-gradient(136deg, rgba(242, 250, 247, 0.92) 0%, rgba(255, 255, 255, 1) 56%),
    linear-gradient(40deg, rgba(31, 111, 93, 0.1) 0%, rgba(31, 111, 93, 0) 40%);
}

.hero-card::after {
  content: "";
  position: absolute;
  right: -110px;
  top: -72px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 111, 93, 0.15) 0%, rgba(31, 111, 93, 0) 70%);
  pointer-events: none;
}

.hero-card h1 {
  margin: 0;
  max-width: 18ch;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero-card p {
  margin: var(--space-3) 0 0;
  color: var(--text-soft);
  max-width: 70ch;
  line-height: 1.5;
}

.experience-switch {
  margin-top: var(--space-4);
  display: inline-flex;
  gap: var(--space-1);
  padding: 4px;
  border-radius: 999px;
  border: 1px solid rgba(31, 111, 93, 0.24);
  background: rgba(255, 255, 255, 0.7);
}

.experience-tab {
  border: 0;
  border-radius: 999px;
  min-height: 34px;
  padding: 0 var(--space-3);
  background: transparent;
  color: var(--accent-ink);
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.experience-tab.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(20, 60, 50, 0.2);
}

.hero-mode-note {
  margin-top: var(--space-2);
  font-size: 0.92rem;
}

.image-surface {
  overflow: auto;
  padding: 0;
  min-height: 160px;
  background: linear-gradient(180deg, #fbfcfb 0%, #f5f7f5 100%);
}

#rendering-canvas {
  display: block;
  margin: 0 auto;
}

#status {
  padding: var(--space-6);
  display: grid;
  gap: var(--space-4);
}

body[data-experience="simple"] #advanced-access {
  display: none;
}

body[data-experience="dashboard"] #advanced-access {
  display: block;
}

#urlform {
  margin: 0;
  display: grid;
  gap: var(--space-3);
}

.compact-copy p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.5;
}

input,
select,
button,
textarea {
  font: inherit;
}

input#url,
.mini-form input:not([type="checkbox"]):not([type="radio"]),
.mini-form select,
.auth-grid input {
  width: 100%;
  min-height: 46px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 0 var(--space-3);
}

input#url {
  font-size: 1rem;
}

input#url:focus,
.mini-form input:not([type="checkbox"]):not([type="radio"]):focus,
.mini-form select:focus,
.auth-grid input:focus {
  outline: 2px solid rgba(31, 111, 93, 0.24);
  outline-offset: 1px;
}

#quick-actions,
.mini-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.button,
.secondary-action {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-height: 40px;
  padding: 0 var(--space-3);
  background: #fff;
  color: var(--text);
  cursor: pointer;
  font-weight: 650;
  transition: transform 110ms ease, background 140ms ease, border-color 140ms ease;
}

.button:hover,
.secondary-action:hover {
  transform: translateY(-1px);
}

.button {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.button:hover {
  background: #195a4d;
  border-color: #195a4d;
}

.secondary-action:hover {
  background: var(--surface-muted);
}

.secondary-action:disabled,
.button:disabled {
  opacity: 0.56;
  cursor: not-allowed;
  transform: none;
}

.primary-action-row {
  display: flex;
  justify-content: flex-start;
}

.primary-button {
  min-width: 190px;
}

.download-options {
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
  padding: var(--space-3);
}

.download-options > summary {
  cursor: pointer;
  user-select: none;
  font-weight: 700;
  color: var(--accent-ink);
}

.download-options[open] > summary {
  margin-bottom: var(--space-3);
}

#performance-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-soft);
}

#tile-concurrency {
  width: min(250px, 100%);
}

#tile-concurrency-value {
  min-width: 2ch;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

#dezoomers {
  margin: var(--space-3) 0 0;
}

#dezoomers label {
  display: inline-block;
  margin: 0 var(--space-2) var(--space-2) 0;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.result-actions {
  border: 1px solid rgba(31, 111, 93, 0.32);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #f0f9f5 0%, #e7f5ee 100%);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.result-title,
.result-subtitle {
  margin: 0;
}

.result-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #174b3f;
}

.result-subtitle {
  margin-top: var(--space-1);
  color: #27574a;
}

#result-actions #save-image-link,
#status a[download] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--space-3);
  min-height: 44px;
  padding: 0 var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid #195a4d;
  background: #195a4d;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

#result-actions #save-image-link[aria-disabled="true"] {
  opacity: 0.65;
  pointer-events: none;
}

#save-image-link-sticky[aria-disabled="true"] {
  opacity: 0.65;
  pointer-events: none;
}

.download-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-1);
}

.download-step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-muted);
  padding: 10px 12px;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.download-step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #b3bcb6;
  flex: 0 0 auto;
}

.download-step.active {
  color: var(--accent-ink);
  border-color: rgba(31, 111, 93, 0.36);
  background: #f2f9f6;
}

.download-step.active .download-step-dot {
  background: var(--accent);
}

.download-step.done {
  color: #1c4f42;
  border-color: #89b4a4;
  background: #ebf7f1;
}

.download-step.done .download-step-dot {
  background: #2f7d4a;
}

.download-step.error {
  color: #7a2929;
  border-color: #debbbb;
  background: #fff1f1;
}

.download-step.error .download-step-dot {
  background: #9b3a3a;
}

#download-steps-status {
  font-size: 0.92rem;
}

.advanced-access {
  margin-top: var(--space-2);
}

.advanced-console {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #fbfcfb 0%, #f7f8f7 100%);
  overflow: hidden;
}

.advanced-summary {
  list-style: none;
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
  cursor: pointer;
}

.advanced-summary::-webkit-details-marker {
  display: none;
}

#advanced-console-title {
  font-weight: 800;
  color: var(--accent-ink);
}

#advanced-console-meta {
  color: var(--text-soft);
  font-size: 0.94rem;
}

.advanced-console-body {
  padding: 0 var(--space-4) var(--space-4);
  display: grid;
  gap: var(--space-3);
}

.auth-shell {
  margin: 0;
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: grid;
  gap: var(--space-2);
  background: #fff;
}

.auth-head h2 {
  margin: 0;
  font-size: 1rem;
}

.auth-head p {
  margin: var(--space-1) 0 0;
  color: var(--text-soft);
}

.auth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.auth-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  color: var(--text-soft);
  font-size: 0.92rem;
}

.key-reveal {
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-muted);
  padding: var(--space-2);
  display: grid;
  gap: var(--space-2);
}

#auth-key-value {
  display: block;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: var(--space-2);
  font-family: "SFMono-Regular", Consolas, monospace;
  white-space: pre-wrap;
  word-break: break-all;
}

body[data-authenticated="1"] .auth-grid {
  display: none;
}

body[data-authenticated="1"] #auth-login,
body[data-authenticated="1"] #auth-register {
  display: none;
}

body[data-authenticated="0"] #auth-logout,
body[data-authenticated="0"] #auth-key-refresh,
body[data-authenticated="0"] #auth-key-rotate {
  display: none;
}

.dashboard-shell {
  margin: 0;
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: none;
  gap: var(--space-3);
  background: #fff;
}

body[data-authenticated="1"] #dashboard-shell {
  display: grid;
}

.dashboard-gate {
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  color: var(--text-soft);
  background: var(--surface-muted);
}

.dashboard-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
}

.dashboard-header h2 {
  margin: 0;
  font-size: 1.03rem;
}

.dashboard-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.dashboard-tab {
  border: 1px solid var(--border);
  border-radius: 999px;
  min-height: 34px;
  padding: 0 var(--space-3);
  background: #fff;
  color: var(--text-soft);
  font-weight: 650;
  cursor: pointer;
}

.dashboard-tab.active {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
}

.dashboard-panels {
  position: relative;
}

.dashboard-panel {
  display: none;
  animation: fadein 180ms ease;
}

.dashboard-panel.active {
  display: block;
}

@keyframes fadein {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ops-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: #fff;
  display: grid;
  gap: var(--space-2);
}

.ops-card + .ops-card {
  margin-top: var(--space-3);
}

.ops-card h2 {
  margin: 0;
  font-size: 1rem;
  color: var(--accent-ink);
}

.mini-form {
  display: grid;
  gap: var(--space-2);
}

.mini-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.inline-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border: 0;
  border-radius: 0;
  padding: 0;
  min-height: 0;
  color: var(--text-soft);
}

.inline-toggle input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-height: 18px;
  margin: 0;
  padding: 0;
  accent-color: var(--accent);
}

.ops-note,
.ops-empty {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.42;
}

.ops-list {
  display: grid;
  gap: var(--space-2);
}

.ops-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  background: var(--surface-muted);
}

.ops-item-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
}

.ops-item-url {
  margin: 0;
  color: var(--text);
  word-break: break-word;
}

.ops-item-meta {
  margin-top: var(--space-1);
  color: var(--text-soft);
  font-size: 0.9rem;
}

.job-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 22px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  color: #fff;
  background: #71808a;
}

.job-pill.running { background: #3f6f8d; }
.job-pill.queued { background: #61707d; }
.job-pill.success { background: #2f7d4a; }
.job-pill.error { background: #9b3a3a; }
.job-pill.expired { background: #8a6b3f; }
.job-pill.canceled { background: #6d617d; }
.job-pill.missing { background: #686868; }
.job-pill.scheduled { background: #0f6d8f; }
.job-pill.paused { background: #7a7364; }

#rate-limit-summary,
#metrics-summary,
#admin-console-summary {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  background: var(--surface-muted);
  white-space: pre-wrap;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.88rem;
}

#metrics-summary {
  max-height: 220px;
  overflow: auto;
}

#admin-console-summary {
  max-height: 260px;
  overflow: auto;
}

.admin-console-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.admin-console-section {
  display: grid;
  gap: var(--space-2);
}

.admin-console-section h3 {
  margin: 0;
  font-size: 0.95rem;
  color: var(--accent-ink);
}

.metrics-alerts,
.metrics-charts {
  display: grid;
  gap: var(--space-2);
}

.metrics-mode-label {
  width: fit-content;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-muted);
  padding: 2px 10px;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.metrics-alert {
  border: 1px solid var(--border);
  border-left-width: 4px;
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  background: #fff;
}

.metrics-alert.warning { border-left-color: #9a7928; }
.metrics-alert.critical { border-left-color: #a13a3a; }

.metrics-kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.metric-kpi {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  background: var(--surface-muted);
}

.metric-kpi-label {
  display: block;
  color: var(--text-soft);
  font-size: 0.82rem;
  margin-bottom: var(--space-1);
}

.metric-kpi strong {
  font-family: "SFMono-Regular", Consolas, monospace;
}

.metrics-chart {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  background: var(--surface-muted);
}

.metrics-chart-title {
  margin: 0 0 var(--space-1);
  color: var(--text-soft);
  font-size: 0.85rem;
}

.metrics-chart svg {
  display: block;
  width: 100%;
  height: 54px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
}

.sticky-save-bar {
  position: fixed;
  left: 50%;
  bottom: var(--space-4);
  transform: translateX(-50%);
  z-index: 70;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: min(640px, calc(100vw - 20px));
  max-width: min(760px, calc(100vw - 20px));
  border: 1px solid rgba(31, 111, 93, 0.35);
  border-radius: 999px;
  background: rgba(19, 64, 53, 0.96);
  color: #e9f4f0;
  box-shadow: 0 18px 38px rgba(13, 26, 22, 0.34);
  padding: 10px 12px 10px 18px;
  backdrop-filter: blur(8px);
}

#sticky-save-text {
  margin: 0;
  font-weight: 700;
}

#save-image-link-sticky {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 var(--space-4);
  border-radius: 999px;
  border: 1px solid #5ec5a0;
  background: #2fa67f;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
}

#percent {
  margin: var(--space-1) 0 0;
  text-align: center;
  color: var(--text-soft);
  min-height: 1.3em;
}

#progressbar {
  width: 0;
  height: 5px;
  background: var(--accent);
  border-radius: 999px;
  transition: width 120ms linear;
}

.error {
  margin-top: var(--space-3);
  border: 1px solid #e3c9c9;
  border-radius: var(--radius-md);
  background: #fff4f4;
  padding: var(--space-3);
}

.error h3 {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--danger);
}

.error p {
  margin: var(--space-2) 0 0;
  color: #633d3d;
}

#errormsg {
  margin: var(--space-2) 0 0;
  font-size: 0.86rem;
  white-space: pre-wrap;
  font-family: "SFMono-Regular", Consolas, monospace;
}

div[hidden],
[hidden] {
  display: none !important;
}

body.loading #urlform {
  opacity: 0.74;
  pointer-events: none;
}

body.download #urlform,
body.download #advanced-access {
  display: none;
}

@media (max-width: 1020px) {
  #status {
    padding: var(--space-5);
  }

  .download-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .auth-grid,
  .mini-row,
  .metrics-kpis,
  .admin-console-grid {
    grid-template-columns: 1fr;
  }

  .primary-button {
    width: 100%;
  }
}

@media (max-width: 760px) {
  .top-nav {
    padding: 0 var(--space-3);
  }

  .top-nav > a:not(:first-child) {
    display: none;
  }

  .app-shell {
    width: min(100%, 98vw);
    margin: var(--space-4) auto var(--space-6);
    gap: var(--space-4);
  }

  .hero-card,
  .image-surface,
  #status {
    border-radius: var(--radius-lg);
  }

  .hero-card,
  #status {
    padding: var(--space-4);
  }

  .experience-switch {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .experience-tab {
    width: 100%;
  }

  .download-steps {
    grid-template-columns: 1fr;
  }

  .button,
  .secondary-action {
    width: 100%;
  }

  .primary-action-row {
    width: 100%;
  }

  #performance-controls {
    flex-wrap: wrap;
  }

  .sticky-save-bar {
    left: 10px;
    right: 10px;
    transform: none;
    min-width: 0;
    max-width: none;
    border-radius: var(--radius-md);
    bottom: 10px;
  }
}