/* =========================================================
   PasteLint styles.css
   SSML Builder-style stable design system
   Browser-only. No dependencies.
   Supports light, dark, terminal themes.
   ========================================================= */

/* -----------------------------
   TOKENS
----------------------------- */

:root,
html[data-theme="light"] {
  --bg: #f7f8fb;
  --panel: #ffffff;
  --surface: #f8fafc;
  --surface-strong: #eef2f7;

  --text: #111827;
  --muted: #5f6b7a;
  --faint: #8a96a8;

  --border: #d8dee8;
  --border-strong: #b8c4d6;

  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #dbeafe;
  --accent-text: #ffffff;

  --danger: #b91c1c;
  --danger-soft: #fee2e2;

  --success: #047857;
  --success-soft: #d1fae5;

  --warning: #b45309;
  --warning-soft: #fef3c7;

  --tooltip-bg: #07110d;
  --tooltip-text: #f4fff8;

  --font-ui: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --page-width: 760px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --focus-ring: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

html[data-theme="dark"] {
  --bg: #0f172a;
  --panel: #151f32;
  --surface: #1e293b;
  --surface-strong: #263449;

  --text: #f8fafc;
  --muted: #cbd5e1;
  --faint: #94a3b8;

  --border: #334155;
  --border-strong: #475569;

  --accent: #60a5fa;
  --accent-hover: #93c5fd;
  --accent-soft: rgba(96, 165, 250, 0.16);
  --accent-text: #08111f;

  --danger: #fca5a5;
  --danger-soft: rgba(252, 165, 165, 0.14);

  --success: #86efac;
  --success-soft: rgba(134, 239, 172, 0.14);

  --warning: #fbbf24;
  --warning-soft: rgba(251, 191, 36, 0.14);

  --tooltip-bg: #07110d;
  --tooltip-text: #f4fff8;

  --focus-ring: 0 0 0 3px rgba(96, 165, 250, 0.25);
}

html[data-theme="terminal"] {
  --bg: #050807;
  --panel: #07110c;
  --surface: #0b1c13;
  --surface-strong: #10291b;

  --text: #d8ffe4;
  --muted: #9ee6b3;
  --faint: #78c98e;

  --border: #184f2f;
  --border-strong: #2a7a4a;

  --accent: #57ff8a;
  --accent-hover: #8cffad;
  --accent-soft: rgba(87, 255, 138, 0.14);
  --accent-text: #031006;

  --danger: #ff8a8a;
  --danger-soft: rgba(255, 138, 138, 0.12);

  --success: #57ff8a;
  --success-soft: rgba(87, 255, 138, 0.12);

  --warning: #ffe066;
  --warning-soft: rgba(255, 224, 102, 0.12);

  --tooltip-bg: #020806;
  --tooltip-text: #d8ffe4;

  --font-ui: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --focus-ring: 0 0 0 3px rgba(87, 255, 138, 0.2);
}

/* -----------------------------
   RESET / BASE
----------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

::selection {
  background: var(--accent-soft);
}

.hidden {
  display: none !important;
}

/* -----------------------------
   GLOBAL LAYOUT
----------------------------- */

.site-header,
main,
.site-footer {
  width: min(100% - 1.25rem, var(--page-width));
  margin-left: auto;
  margin-right: auto;
}

main {
  display: grid;
  gap: 1rem;
  padding: 0 0 3rem;
}

.site-header {
  padding: 1rem 0 0.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
}

.brand,
.header-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-link,
.header-brand a {
  color: var(--text);
  font-weight: 760;
  text-decoration: none;
}

.brand-link:hover,
.header-brand a:hover {
  color: var(--accent);
}

.brand-pill {
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.75rem;
}

/* -----------------------------
   NAV / THEME
----------------------------- */

.tool-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.86rem;
}

.tool-nav a {
  color: var(--muted);
  text-decoration: none;
}

.tool-nav a:hover,
.tool-nav a:focus {
  color: var(--text);
  text-decoration: underline;
}

.theme-switcher,
.theme-toggle,
.theme-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.theme-switcher button,
.theme-toggle button,
.theme-controls button,
.theme-btn {
  min-height: 1.9rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.theme-switcher button:hover,
.theme-toggle button:hover,
.theme-controls button:hover,
.theme-btn:hover {
  border-color: var(--border-strong);
  background: var(--surface);
}

.theme-switcher button.active,
.theme-toggle button.active,
.theme-controls button.active,
.theme-btn.active,
.theme-switcher button[aria-pressed="true"],
.theme-toggle button[aria-pressed="true"],
.theme-controls button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}

/* -----------------------------
   HERO / INTRO
----------------------------- */

.hero,
.tool-intro,
.page-intro {
  width: min(100% - 1.25rem, var(--page-width));
  margin: 1.4rem auto 1rem;
  text-align: left;
}

.hero-kicker,
.eyebrow {
  margin: 0 0 0.45rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.tool-intro h1,
.page-intro h1 {
  margin: 0 0 0.65rem;
  max-width: 720px;
  color: var(--text);
  font-size: clamp(2rem, 6vw, 3.15rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.hero h2,
.tool-intro h2,
.page-intro h2 {
  margin: 0 0 0.55rem;
  color: var(--text);
  font-size: clamp(1.45rem, 3vw, 2.15rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero p,
.subtitle,
.subtitle-small,
.tool-intro p,
.page-intro p {
  max-width: 720px;
  margin: 0.5rem 0 0;
  color: var(--muted);
  line-height: 1.55;
}

/* -----------------------------
   TOOL SHELL / PANELS
----------------------------- */

.tool-shell {
  width: 100%;
  display: grid;
  gap: 1rem;
}

.tool-panel,
.panel,
.section,
.card,
.textarea-card,
.input-panel,
.output-panel,
.insight-panel,
.trust-panel,
.next-step-panel,
.positioning-panel,
.preview-panel,
.result-panel {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  color: var(--text);
  box-shadow: none;
}

.tool-header,
.panel-header,
.section-header {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.tool-header h2,
.panel-header h2,
.panel-header h3,
.section h2,
.card h2,
.trust-panel h2,
.next-step-panel h2,
.insight-panel h2,
.insight-panel h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.tool-header p,
.panel p,
.tool-panel p,
.trust-panel p,
.next-step-panel p,
.micro-note {
  margin: 0;
  color: var(--muted);
}

.insight-section,
.insight-grid {
  display: grid;
  gap: 1rem;
}

/* -----------------------------
   TRANSPARENCY HELP
----------------------------- */

.panel-header h3 {
  display:inline-flex;
  align-items:center;
  gap:.18rem;

  margin:0;
}

.info-tip{
  position:relative;

  display:inline-flex;

  align-items:center;
  justify-content:center;

  margin-left:.05rem;

  width:auto;
  height:auto;

  padding:0;

  border:none;
  background:none;

  opacity:.45;

  color:inherit;

  font-size:.72rem;
  font-style:italic;
  font-weight:600;

  vertical-align:middle;

  cursor:help;
}

.tooltip {
  position: absolute;
  left: 0.85rem;
  top: -0.35rem;
  width: 230px;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  background: var(--tooltip-bg);
  border: 1px solid var(--border-strong);
  color: var(--tooltip-text);
  font-size: 0.76rem;
  font-style: normal;
  font-weight: 500;
  line-height: 1.4;
  text-align: left;
  white-space: normal;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  z-index: 50;
  display: block;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}

.info-tip:hover .tooltip,
.info-tip:focus-visible .tooltip {
  opacity: 1;
}

/* -----------------------------
   FORMS
----------------------------- */

.field,
.textarea-block,
.input-block {
  display: grid;
  gap: 0.4rem;
}

label,
.label,
.input-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
}

textarea,
input,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  outline: none;
}

textarea {
  min-height: 160px;
  padding: 0.75rem;
  resize: vertical;
  font-family: var(--font-ui);
  line-height: 1.52;
  overflow-wrap: anywhere;
}

textarea[readonly],
input[readonly] {
  background: var(--surface-strong);
  color: var(--muted);
}

input,
select {
  min-height: 2.35rem;
  padding: 0.55rem 0.7rem;
}

textarea::placeholder,
input::placeholder {
  color: var(--faint);
}

textarea:focus,
input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: var(--focus-ring);
}

.meta,
.field-meta,
.counter-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  color: var(--faint);
  font-size: 0.86rem;
}

/* -----------------------------
   EDITOR GRID
----------------------------- */

.editor-grid,
.tool-layout,
.two-column {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

/* -----------------------------
   BUTTONS
----------------------------- */

.controls,
.control-panel,
.tool-actions,
.button-row,
.actions,
.output-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
}

button,
.btn,
.primary-btn,
.secondary-btn,
.clear-btn,
.copy-btn,
.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.15rem;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 730;
  line-height: 1;
  text-decoration: none;
}

button:hover,
.btn:hover,
.primary-btn:hover,
.secondary-btn:hover,
.clear-btn:hover,
.copy-btn:hover,
.action-btn:hover {
  border-color: var(--border-strong);
  background: var(--surface-strong);
  text-decoration: none;
}

button:focus-visible,
.btn:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.primary-btn,
button.primary,
#cleanBtn,
#reviseBtn,
#generateBtn,
#generateSsmlBtn {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}

.primary-btn:hover,
button.primary:hover,
#cleanBtn:hover,
#reviseBtn:hover,
#generateBtn:hover,
#generateSsmlBtn:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.secondary-btn,
.copy-btn,
#copyBtn,
#copyOutputBtn,
#copySsmlBtn {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.clear-btn,
button.clear,
#clearBtn,
#resetBtn {
  background: transparent;
  color: var(--muted);
}

.clear-btn:hover,
button.clear:hover,
#clearBtn:hover,
#resetBtn:hover {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: var(--danger);
}

button:disabled,
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* -----------------------------
   LISTS / INSIGHT OUTPUTS
----------------------------- */

ul,
ol {
  padding-left: 1.25rem;
}

#foundList,
#analysisList {
  margin: 0;
  color: var(--muted);
}

#foundList li,
#analysisList li {
  margin: 0.3rem 0;
}

#textBrief,
#editMap,
#visualPreview,
#changePreview,
#impactList,
#improvementList {
  color: var(--muted);
  line-height: 1.55;
}

.edit-item {
  display: grid;
  gap: 0.35rem;
  padding: 0.7rem;
  margin: 0.55rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.edit-before {
  color: var(--danger);
  background: var(--danger-soft);
  border-radius: 6px;
  padding: 0.2rem 0.35rem;
  overflow-wrap: anywhere;
}

.edit-after {
  color: var(--success);
  background: var(--success-soft);
  border-radius: 6px;
  padding: 0.2rem 0.35rem;
  overflow-wrap: anywhere;
}

.edit-arrow {
  color: var(--faint);
  font-weight: 800;
}

/* -----------------------------
   CARDS / LINKS
----------------------------- */

.tool-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

.tool-card {
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
}

.tool-card:hover {
  border-color: var(--border-strong);
  background: var(--surface);
  text-decoration: none;
}

.tool-card h3 {
  margin: 0;
  color: var(--text);
}

.tool-card p {
  margin: 0;
  color: var(--muted);
}

/* -----------------------------
   FOOTER
----------------------------- */

.site-footer {

  padding: 0.8rem 1rem;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: left;
}

.site-footer p {
  margin: 0;
}

/* -----------------------------
   TERMINAL HARDENING
----------------------------- */

html[data-theme="terminal"] body {
  text-shadow: none;
}

html[data-theme="terminal"] .tool-panel,
html[data-theme="terminal"] .panel,
html[data-theme="terminal"] .section,
html[data-theme="terminal"] .card,
html[data-theme="terminal"] .textarea-card,
html[data-theme="terminal"] .input-panel,
html[data-theme="terminal"] .output-panel,
html[data-theme="terminal"] .insight-panel,
html[data-theme="terminal"] .trust-panel,
html[data-theme="terminal"] .next-step-panel,
html[data-theme="terminal"] .positioning-panel,
html[data-theme="terminal"] .preview-panel,
html[data-theme="terminal"] .result-panel,
html[data-theme="terminal"] .tool-card {
  box-shadow: none;
  border-color: var(--border);
}

html[data-theme="terminal"] textarea,
html[data-theme="terminal"] input,
html[data-theme="terminal"] select {
  caret-color: var(--accent);
  box-shadow: none;
}

html[data-theme="terminal"] .tooltip {
  border-color: var(--accent);
}

/* -----------------------------
   RESPONSIVE
----------------------------- */

@media (min-width: 900px) {
  .tool-layout.two-column,
  .editor-grid.two-column {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 760px) {
  body {
    font-size: 15px;
  }

  .site-header {
    align-items: flex-start;
  }

  .brand,
  .header-brand,
  .tool-nav,
  .theme-switcher,
  .theme-toggle,
  .theme-controls {
    width: 100%;
  }

  .tool-nav,
  .theme-switcher,
  .theme-toggle,
  .theme-controls {
    justify-content: flex-start;
  }

  .tool-panel,
  .panel,
  .section,
  .card,
  .textarea-card,
  .input-panel,
  .output-panel,
  .insight-panel,
  .trust-panel,
  .next-step-panel,
  .positioning-panel {
    padding: 0.9rem;
  }

  textarea {
    min-height: 145px;
  }

  .controls,
  .control-panel,
  .tool-actions,
  .button-row,
  .actions,
  .output-actions {
    align-items: stretch;
  }

  .controls > button,
  .control-panel > button,
  .tool-actions > button,
  .button-row > button,
  .actions > button {
    width: 100%;
  }

  .tooltip {
    left: auto;
    right: 0;
    top: 1.25rem;
    width: min(250px, 80vw);
  }
}

/* -----------------------------
   REDUCED MOTION
----------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}