/* ============================================================================
   Heartcaster design system
   Source of truth: heartcaster/DESIGN.md
   Do not introduce new fonts, colors, or radii here without updating DESIGN.md.
   ============================================================================ */

/* --- Tokens ----------------------------------------------------------------- */

:root {
  /* Color — paper, ink, terracotta accent, semantic */
  --paper: #FAF7F2;
  --paper-2: #F2EDE4;
  --paper-3: #E8E1D3;
  --ink: #1C1A17;
  --ink-2: #54504B;
  --ink-3: #807A72;
  --rule: #E5DFD3;
  --accent: #B45D3F;
  --accent-hover: #9C4D33;
  --accent-soft: #F0D8CB;
  --success: #3F6E4A;
  --warning: #A87514;
  --danger: #9C3838;
  --info: #4A6B82;

  /* Radii */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 14px;

  /* Spacing (8px base) */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;

  /* Type families */
  --font-display: "Fraunces", ui-serif, Georgia, serif;
  --font-body: "Instrument Sans", system-ui, -apple-system, sans-serif;
  --font-tab: "Geist", ui-monospace, monospace;

  /* Type scale */
  --t-display-xl: 56px;
  --t-display-lg: 44px;
  --t-display-md: 36px;
  --t-display-sm: 24px;
  --t-body-lg: 19px;
  --t-body: 16px;
  --t-body-sm: 14px;
  --t-eyebrow: 12px;

  /* Layout widths */
  --max-reading: 640px;
  --max-app: 1100px;

  /* Motion */
  --ease-out: cubic-bezier(0.2, 0, 0, 1);
  --ease-in:  cubic-bezier(0.4, 0, 1, 1);
  --d-micro: 100ms;
  --d-short: 200ms;
  --d-medium: 300ms;
}

[data-theme="dark"] {
  --paper: #1A1814;
  --paper-2: #221F1A;
  --paper-3: #2C2823;
  --ink: #F2EDE4;
  --ink-2: #B5AFA5;
  --ink-3: #807A72;
  --rule: #322E27;
  --accent: #D17655;
  --accent-hover: #DC8568;
  --accent-soft: #3B2A22;
  --success: #6FA47C;
  --warning: #D4A852;
  --danger: #C77373;
  --info: #82A4BD;
}

/* --- Reset / base ---------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
html, body { max-width: 100vw; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--t-body);
  line-height: 1.55;
  transition: background var(--d-short) var(--ease-out), color var(--d-short) var(--ease-out);
}

/* Safety: media never exceeds viewport */
img, video, svg { max-width: 100%; height: auto; }

/* --- Typography ------------------------------------------------------------ */

h1, h2, h3, h4, .display {
  font-family: var(--font-display);
  font-weight: 500;
  font-variation-settings: "opsz" 36, "SOFT" 50;
  letter-spacing: -0.01em;
  line-height: 1.12;
  margin: 0;
  color: var(--ink);
}
h1 { font-size: var(--t-display-xl); font-variation-settings: "opsz" 72, "SOFT" 60; line-height: 1.05; }
h2 { font-size: var(--t-display-md); font-variation-settings: "opsz" 48, "SOFT" 50; }
h3 { font-size: var(--t-display-sm); font-variation-settings: "opsz" 32, "SOFT" 40; }
h4 { font-size: 18px; font-weight: 600; font-variation-settings: "opsz" 18; line-height: 1.3; }

p { margin: 0 0 var(--s-4); }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--t-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
  color: var(--ink-3);
  margin-bottom: var(--s-3);
}
.eyebrow-accent { color: var(--accent); }

.lede { font-size: var(--t-body-lg); line-height: 1.55; color: var(--ink-2); }
.small { font-size: var(--t-body-sm); color: var(--ink-2); }
.muted { color: var(--ink-3); }

.tabular { font-family: var(--font-tab); font-feature-settings: "tnum"; }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  padding-bottom: 1px;
  transition: color var(--d-micro), border-color var(--d-micro);
}
a:hover { color: var(--accent-hover); border-bottom-color: var(--accent); }
a.unstyled, .unstyled a { color: inherit; border-bottom: 0; padding-bottom: 0; }
a.unstyled:hover, .unstyled a:hover { color: var(--accent); }

hr { border: 0; height: 1px; background: var(--rule); margin: var(--s-7) 0; }

code, .mono { font-family: var(--font-tab); font-size: 0.92em; }
.mono-chip {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 2px 6px;
  border-radius: var(--r-sm);
  font-family: var(--font-tab);
  font-size: 0.85em;
  color: var(--ink-2);
  word-break: break-all;
}

/* --- Layout ---------------------------------------------------------------- */

.container { max-width: var(--max-app); margin: 0 auto; padding: 0 var(--s-5); }
.reading { max-width: var(--max-reading); margin: 0 auto; padding: 0 var(--s-5); }

.stack > * + * { margin-top: var(--s-4); }
.stack-lg > * + * { margin-top: var(--s-6); }
.stack-sm > * + * { margin-top: var(--s-2); }
.row { display: flex; align-items: center; gap: var(--s-3); }
.row-wrap { display: flex; align-items: center; gap: var(--s-3); flex-wrap: wrap; }
.spacer { flex: 1; }

.grid-2 { display: grid; grid-template-columns: 1fr; gap: var(--s-6); }
@media (min-width: 900px) { .grid-2 { grid-template-columns: 2fr 1fr; } }

/* --- Top nav (used on every protected page) -------------------------------- */

.topnav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--rule);
  padding: var(--s-3) 0;
}
.topnav-inner {
  max-width: var(--max-app); margin: 0 auto; padding: 0 var(--s-5);
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-4);
}
.topnav .left, .topnav .right { display: flex; align-items: center; gap: var(--s-4); }
.brand {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 20px;
  font-variation-settings: "opsz" 24, "SOFT" 60;
  color: var(--ink);
  border-bottom: 0;
  padding-bottom: 0;
}
.brand:hover { color: var(--ink); }
.topnav .navlink {
  color: var(--ink-2);
  font-size: var(--t-body-sm);
  border-bottom: 0;
  padding-bottom: 0;
}
.topnav .navlink:hover { color: var(--accent); }
.topnav select.hc-switcher {
  font-family: var(--font-body);
  font-size: 13px;
  background: var(--paper-2);
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 5px 10px;
  cursor: pointer;
}
.topnav select.hc-switcher:focus { outline: none; border-color: var(--accent); }

.theme-toggle {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  color: var(--ink-2);
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 13px;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink-3); }

/* Hamburger button — only visible on mobile (see media query below) */
.nav-toggle {
  display: none;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  color: var(--ink);
  border-radius: var(--r-md);
  padding: 6px 9px;
  cursor: pointer;
  font-family: var(--font-body);
  align-items: center;
  justify-content: center;
}
.nav-toggle:hover { background: var(--paper-3); }
.nav-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.nav-toggle svg { display: block; }

/* --- Buttons --------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 10px 18px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--d-micro), color var(--d-micro), border-color var(--d-micro);
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary { background: var(--accent); color: var(--paper); }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn-secondary { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn-secondary:hover:not(:disabled) { background: var(--paper-2); border-color: var(--ink-3); }

.btn-ghost { background: transparent; color: var(--ink-2); }
.btn-ghost:hover:not(:disabled) { color: var(--ink); }

.btn-danger { background: transparent; color: var(--danger); border-color: color-mix(in srgb, var(--danger) 30%, transparent); }
.btn-danger:hover:not(:disabled) { background: color-mix(in srgb, var(--danger) 8%, transparent); }

.btn-lg { padding: 14px 24px; font-size: 15px; }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.btn-block { width: 100%; }

/* --- Forms ----------------------------------------------------------------- */

.field { display: block; margin-bottom: var(--s-5); }
.field:last-child { margin-bottom: 0; }
.label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  margin-bottom: var(--s-2);
}
.input, .textarea, .select {
  width: 100%;
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 15px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  transition: border-color var(--d-micro), box-shadow var(--d-micro);
}
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.input::placeholder, .textarea::placeholder { color: var(--ink-3); }
.input:disabled, .textarea:disabled { background: var(--paper-2); color: var(--ink-2); cursor: not-allowed; }
.textarea { min-height: 110px; resize: vertical; line-height: 1.55; }
.hint { font-size: 13px; color: var(--ink-3); margin-top: var(--s-2); }

/* --- Status pills ---------------------------------------------------------- */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.6;
  font-family: var(--font-body);
  background: var(--paper-2);
  color: var(--ink-2);
  border: 1px solid var(--rule);
  white-space: nowrap;
}
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill-completed { background: color-mix(in srgb, var(--success) 12%, var(--paper)); color: var(--success); border-color: color-mix(in srgb, var(--success) 25%, transparent); }
.pill-pending { background: color-mix(in srgb, var(--warning) 12%, var(--paper)); color: var(--warning); border-color: color-mix(in srgb, var(--warning) 25%, transparent); }
.pill-error { background: color-mix(in srgb, var(--danger) 12%, var(--paper)); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 25%, transparent); }
.pill-info { background: color-mix(in srgb, var(--info) 12%, var(--paper)); color: var(--info); border-color: color-mix(in srgb, var(--info) 25%, transparent); }
.pill-neutral { background: var(--paper-2); color: var(--ink-2); border-color: var(--rule); }

/* --- Cards ----------------------------------------------------------------- */

.card {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  padding: var(--s-5);
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--s-3);
}
.card h4 { margin: 0; }

.surface {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  padding: var(--s-7);
}
@media (max-width: 640px) {
  .surface { padding: var(--s-5); border-radius: var(--r-md); }
}

/* --- Alerts ---------------------------------------------------------------- */

.alert {
  padding: var(--s-4);
  border-radius: var(--r-md);
  font-size: 14px;
  line-height: 1.5;
  border: 1px solid;
}
.alert + .alert { margin-top: var(--s-3); }
.alert-success { background: color-mix(in srgb, var(--success) 8%, var(--paper)); color: var(--success); border-color: color-mix(in srgb, var(--success) 25%, transparent); }
.alert-info { background: color-mix(in srgb, var(--info) 8%, var(--paper)); color: var(--info); border-color: color-mix(in srgb, var(--info) 25%, transparent); }
.alert-warn { background: color-mix(in srgb, var(--warning) 8%, var(--paper)); color: var(--warning); border-color: color-mix(in srgb, var(--warning) 25%, transparent); }
.alert-error { background: color-mix(in srgb, var(--danger) 8%, var(--paper)); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 25%, transparent); }

/* --- Section / page header ------------------------------------------------- */

.page-header { padding: var(--s-7) 0 var(--s-5); }
.section-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: var(--s-4);
}
.section { padding: var(--s-7) 0; }

/* --- Data table (episode list) -------------------------------------------- */

.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: var(--s-4) var(--s-5); text-align: left; vertical-align: middle; }
.data-table th {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--ink-3); font-weight: 500;
  border-bottom: 1px solid var(--rule);
}
.data-table tbody tr {
  border-bottom: 1px solid var(--rule);
  transition: background var(--d-micro);
}
.data-table tbody tr:hover { background: var(--paper-2); }
.data-table tbody tr:last-child { border-bottom: 0; }
.data-table .right { text-align: right; }
.data-table .ep-title { font-weight: 500; color: var(--ink); }
.data-table .ep-sub { color: var(--ink-3); font-size: 13px; margin-top: 2px; }
.data-table .ep-date { color: var(--ink-3); font-family: var(--font-tab); font-feature-settings: "tnum"; font-size: 13px; }

.data-empty {
  padding: var(--s-7);
  text-align: center;
  color: var(--ink-3);
  font-size: 14px;
}

/* --- Member rows ---------------------------------------------------------- */

.member-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--rule);
}
.member-row:last-child { border-bottom: 0; }
.member-info { display: flex; align-items: center; gap: var(--s-3); }
.avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 600; font-size: 13px;
  flex-shrink: 0;
}
.member-name { font-size: 15px; color: var(--ink); }
.member-meta { color: var(--ink-3); font-size: 13px; font-family: var(--font-tab); margin-top: 2px; }

/* --- Status banner (transient feedback) ----------------------------------- */

.status { margin-top: var(--s-4); padding: var(--s-3) var(--s-4); border-radius: var(--r-md); font-size: 14px; display: none; }
.status.ok { background: color-mix(in srgb, var(--success) 8%, var(--paper)); color: var(--success); border: 1px solid color-mix(in srgb, var(--success) 25%, transparent); display: block; }
.status.err { background: color-mix(in srgb, var(--danger) 8%, var(--paper)); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 25%, transparent); display: block; }

/* --- File input (styled) -------------------------------------------------- */

.file-input {
  display: block;
  width: 100%;
  padding: var(--s-5);
  background: var(--paper-2);
  border: 1px dashed var(--rule);
  border-radius: var(--r-md);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--d-micro), background var(--d-micro);
  font-size: 14px;
  color: var(--ink-2);
}
.file-input:hover { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 4%, var(--paper-2)); }
.file-input input { display: none; }
.file-input .picker-label { display: block; font-weight: 500; color: var(--ink); margin-bottom: 4px; }

/* --- Utility -------------------------------------------------------------- */

.hidden { display: none !important; }
.center { text-align: center; }
.right { text-align: right; }
.no-margin { margin: 0; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--s-1); }
.mt-2 { margin-top: var(--s-2); }
.mt-3 { margin-top: var(--s-3); }
.mt-4 { margin-top: var(--s-4); }
.mt-5 { margin-top: var(--s-5); }
.mt-6 { margin-top: var(--s-6); }
.mt-7 { margin-top: var(--s-7); }

/* ============================================================================
   Responsive — collapse navs into a hamburger, reduce paddings, allow tables
   to scroll inside their surface (instead of forcing page-wide overflow).
   ============================================================================ */

@media (max-width: 760px) {

  /* --- Container/reading padding stays at 16px on mobile (was 24px) --- */
  .container, .reading { padding: 0 var(--s-4); }

  /* --- Nav: show hamburger, collapse right-side items into a dropdown ----- */
  .nav-toggle { display: inline-flex; }

  .topnav-inner,
  .landing-nav-inner {
    position: relative;
    flex-wrap: wrap;
    gap: var(--s-2);
  }

  /* Hide right-side nav items until the hamburger is toggled */
  .topnav .right:not(.open),
  .landing-nav .row:not(.open) {
    display: none;
  }

  /* When opened, the right cluster becomes a stacked menu spanning full width
     below the brand row. */
  .topnav .right.open,
  .landing-nav .row.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    margin-top: var(--s-3);
    padding-top: var(--s-3);
    border-top: 1px solid var(--rule);
    gap: var(--s-2);
  }

  /* Inside an open menu, navlinks and buttons get a tap-friendly row layout */
  .topnav .right.open .navlink,
  .landing-nav .row.open .navlink,
  .topnav .right.open .btn,
  .landing-nav .row.open .btn,
  .topnav .right.open .theme-toggle,
  .landing-nav .row.open .theme-toggle {
    width: 100%;
    text-align: left;
    padding-top: 10px;
    padding-bottom: 10px;
    border-radius: var(--r-md);
  }

  /* Inline switcher needs to stack readably */
  .topnav .right.open .switcher { width: 100%; }
  .topnav .right.open .switcher select { width: 100%; }

  /* --- Page header content reflows --- */
  .page-header .row { align-items: flex-start; }

  /* --- Tables: scroll horizontally inside their surface, not the page --- */
  .surface { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .data-table { min-width: 480px; }
  .data-table th, .data-table td { padding: var(--s-3); }

  /* --- Cards / surfaces: tighter padding on small screens --- */
  .card { padding: var(--s-4); }
  .surface { border-radius: var(--r-md); }

  /* --- Sticky topnav backdrop: a little less blur for perf --- */
  .topnav, .landing-nav { padding: 10px 0; }
}

@media (max-width: 480px) {
  /* Even tighter padding on phones */
  .container, .reading { padding: 0 var(--s-3); }
  /* Modal padding shrinks so content has room */
  .modal-card { padding: var(--s-5) !important; }
}