/* =========================================================================
   Journal of Surgical Intelligence — Design System
   Bright, modern medical: white surfaces, deep clinical teal-blue accent
   ========================================================================= */

:root {
  /* Type scale (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 680px;
  --content-default: 1000px;
  --content-wide: 1240px;

  /* Fonts */
  --font-display: 'General Sans', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Fraunces', Georgia, serif;
}

/* ---------- LIGHT MODE (default) ---------- */
:root,
[data-theme='light'] {
  --color-bg: #ffffff;
  --color-surface: #f7fafb;
  --color-surface-2: #eef4f6;
  --color-surface-offset: #e6eef1;
  --color-divider: #e2e8eb;
  --color-border: #d4dee2;

  --color-text: #0d1f26;
  --color-text-muted: #4f6571;
  --color-text-faint: #8aa0aa;
  --color-text-inverse: #f7fafb;

  --color-primary: #0e6e8c;
  --color-primary-hover: #0a566f;
  --color-primary-active: #073f51;
  --color-primary-soft: #e3f0f4;
  --color-primary-soft-2: #d2e6ec;

  --color-accent: #18b6c4; /* lighter cyan for highlights/network */
  --color-cta: #e8590c; /* warm contrasting CTA (submit) */
  --color-cta-hover: #c44608;

  --color-success: #2f7d32;
  --color-success-soft: #e3f1e4;
  --color-info: #0e6e8c;

  --shadow-sm: 0 1px 2px rgba(13, 31, 38, 0.06), 0 1px 3px rgba(13, 31, 38, 0.04);
  --shadow-md: 0 4px 16px rgba(13, 31, 38, 0.08);
  --shadow-lg: 0 18px 48px rgba(13, 31, 38, 0.12);

  --hero-overlay: linear-gradient(180deg, rgba(7, 33, 43, 0.55) 0%, rgba(7, 33, 43, 0.78) 100%);
}

/* ---------- DARK MODE ---------- */
[data-theme='dark'] {
  --color-bg: #0a1418;
  --color-surface: #0f1e23;
  --color-surface-2: #14272d;
  --color-surface-offset: #182d34;
  --color-divider: #1d343b;
  --color-border: #25424a;

  --color-text: #dde8eb;
  --color-text-muted: #91a8b0;
  --color-text-faint: #5e767e;
  --color-text-inverse: #0a1418;

  --color-primary: #3fb6cc;
  --color-primary-hover: #5cc9dc;
  --color-primary-active: #76d4e3;
  --color-primary-soft: #122d36;
  --color-primary-soft-2: #163842;

  --color-accent: #2fd0de;
  --color-cta: #ff7a33;
  --color-cta-hover: #ff9356;

  --color-success: #6dba70;
  --color-success-soft: #13261a;
  --color-info: #3fb6cc;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.55);

  --hero-overlay: linear-gradient(180deg, rgba(3, 15, 19, 0.6) 0%, rgba(3, 15, 19, 0.85) 100%);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0a1418;
    --color-surface: #0f1e23;
    --color-surface-2: #14272d;
    --color-surface-offset: #182d34;
    --color-divider: #1d343b;
    --color-border: #25424a;
    --color-text: #dde8eb;
    --color-text-muted: #91a8b0;
    --color-text-faint: #5e767e;
    --color-text-inverse: #0a1418;
    --color-primary: #3fb6cc;
    --color-primary-hover: #5cc9dc;
    --color-primary-active: #76d4e3;
    --color-primary-soft: #122d36;
    --color-primary-soft-2: #163842;
    --color-accent: #2fd0de;
    --color-cta: #ff7a33;
    --color-cta-hover: #ff9356;
    --color-success: #6dba70;
    --color-success-soft: #13261a;
    --color-info: #3fb6cc;
    --hero-overlay: linear-gradient(180deg, rgba(3, 15, 19, 0.6) 0%, rgba(3, 15, 19, 0.85) 100%);
  }
}

/* =========================================================================
   Layout primitives
   ========================================================================= */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-12));
}
.container--default { max-width: var(--content-default); }
.container--narrow { max-width: var(--content-narrow); }

section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }
.section-tight { padding-block: clamp(var(--space-12), 5vw, var(--space-20)); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.015em; color: var(--color-text); }
.section-title { font-size: var(--text-xl); margin-bottom: var(--space-4); }
.section-lead { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 60ch; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }

/* =========================================================================
   Buttons
   ========================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  white-space: nowrap;
  line-height: 1;
  min-height: 44px;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-hover); color: #fff; transform: translateY(-1px); }
.btn--cta { background: var(--color-cta); color: #fff; }
.btn--cta:hover { background: var(--color-cta-hover); color: #fff; transform: translateY(-1px); }
.btn--outline { border-color: var(--color-border); color: var(--color-text); background: var(--color-bg); }
.btn--outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--ghost-light { border-color: rgba(255,255,255,0.4); color: #fff; background: rgba(255,255,255,0.08); }
.btn--ghost-light:hover { background: rgba(255,255,255,0.18); color: #fff; }
.btn--white { background: #fff; color: var(--color-primary-active); }
.btn--white:hover { background: var(--color-primary-soft); color: var(--color-primary-active); transform: translateY(-1px); }
.btn--lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }

/* =========================================================================
   Header / Navigation
   ========================================================================= */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition-interactive);
}
.header--scrolled { box-shadow: var(--shadow-sm); }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 72px;
}
.brand { display: inline-flex; align-items: center; gap: var(--space-3); color: var(--color-text); }
.brand:hover { color: var(--color-text); }
.brand__logo { width: 38px; height: 38px; color: var(--color-primary); flex-shrink: 0; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name { font-family: var(--font-display); font-weight: 600; font-size: 1.0625rem; letter-spacing: -0.01em; }
.brand__sub { font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-text-muted); font-weight: 500; }

.nav__links { display: flex; align-items: center; gap: var(--space-1); list-style: none; }
.nav__links a {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.nav__links a:hover, .nav__links a[aria-current='page'] { color: var(--color-primary); background: var(--color-primary-soft); }
.nav__actions { display: flex; align-items: center; gap: var(--space-3); }

.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--radius-md);
  color: var(--color-text-muted); border: 1px solid var(--color-border);
}
.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }

.nav__toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; color: var(--color-text); border-radius: var(--radius-md); }
.nav__links a.nav__submit-mobile { display: none; }

@media (max-width: 1160px) {
  .nav__links {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-4);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform var(--transition-interactive);
  }
  .nav__links[data-open='true'] { transform: translateY(0); }
  .nav__links a { padding: var(--space-3) var(--space-4); font-size: var(--text-base); }
  .nav__toggle { display: inline-flex; }
  .nav__submit-desktop { display: none; }
  .nav__links a.nav__submit-mobile { display: inline-flex; margin-top: var(--space-3); width: fit-content; }
}

/* =========================================================================
   Hero
   ========================================================================= */
.hero {
  position: relative;
  min-height: 76vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after { content: ''; position: absolute; inset: 0; background: var(--hero-overlay); }
.hero__inner { position: relative; z-index: 1; padding-block: clamp(var(--space-20), 12vw, var(--space-32)); }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: #bfeaf2; margin-bottom: var(--space-5);
  padding: var(--space-2) var(--space-3); border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-full); background: rgba(255,255,255,0.06);
}
.hero h1 {
  font-size: var(--text-3xl);
  color: #fff;
  max-width: 16ch;
  margin-bottom: var(--space-5);
  line-height: 1.04;
}
.hero__sub { font-size: var(--text-lg); color: #e2eef1; max-width: 52ch; margin-bottom: var(--space-8); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-4); }

/* =========================================================================
   Cards & grids
   ========================================================================= */
.grid { display: grid; gap: var(--space-6); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); }

.feature__icon {
  width: 52px; height: 52px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft); color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.feature h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.feature p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* Article cards */
.article-card {
  display: flex; flex-direction: column; gap: var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.article-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.tag {
  align-self: flex-start;
  font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.04em;
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-full);
  background: var(--color-primary-soft); color: var(--color-primary-active);
}
.tag--review { background: var(--color-surface-2); color: var(--color-text-muted); }
.tag--case { background: var(--color-success-soft); color: var(--color-success); }
.tag--perspective { background: var(--color-warning-soft, #fbeee0); color: var(--color-warning, #964219); }
.article-card h3 { font-size: var(--text-lg); line-height: 1.25; }
.article-card h3 a { color: var(--color-text); }
.article-card h3 a:hover { color: var(--color-primary); }
.article-card__authors { font-size: var(--text-sm); color: var(--color-text-muted); }
.article-card__meta { font-size: var(--text-xs); color: var(--color-text-faint); font-variant-numeric: tabular-nums; }
.article-card__actions { display: flex; gap: var(--space-4); margin-top: auto; padding-top: var(--space-3); border-top: 1px solid var(--color-divider); font-size: var(--text-sm); font-weight: 600; }

/* About banner */
.about-banner { background: var(--color-surface); border-block: 1px solid var(--color-divider); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-8), 5vw, var(--space-20)); align-items: center; }
.about-grid img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.about-prose p { color: var(--color-text-muted); margin-bottom: var(--space-4); }
@media (max-width: 820px) { .about-grid { grid-template-columns: 1fr; } }

/* Why publish band */
.band-primary { background: var(--color-primary-soft); border-block: 1px solid var(--color-primary-soft-2); }

/* Stats strip */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-8); text-align: center; }
.stat__num { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 600; color: var(--color-primary); line-height: 1; font-variant-numeric: tabular-nums; }
.stat__label { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-2); }

/* =========================================================================
   Content pages (prose)
   ========================================================================= */
.page-hero {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.page-hero h1 { font-size: var(--text-2xl); margin-bottom: var(--space-4); }
.page-hero p { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 60ch; }

.prose { max-width: 72ch; }
.prose h2 { font-size: var(--text-xl); margin-top: var(--space-12); margin-bottom: var(--space-4); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: var(--text-lg); margin-top: var(--space-8); margin-bottom: var(--space-3); }
.prose p { color: var(--color-text-muted); margin-bottom: var(--space-4); }
.prose ul, .prose ol { margin: 0 0 var(--space-4) var(--space-6); color: var(--color-text-muted); }
.prose li { margin-bottom: var(--space-2); }
.prose strong { color: var(--color-text); font-weight: 600; }
.prose a { font-weight: 500; text-decoration: underline; text-underline-offset: 2px; }

.callout {
  border-left: 3px solid var(--color-primary);
  background: var(--color-primary-soft);
  padding: var(--space-5) var(--space-6);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-block: var(--space-6);
}
.callout p { color: var(--color-text); margin-bottom: 0; }
.callout strong { color: var(--color-primary-active); }

/* Layout with sidebar */
.doc-layout { display: grid; grid-template-columns: 240px 1fr; gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: start; }
.toc { position: sticky; top: 96px; }
.toc h4 { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-faint); margin-bottom: var(--space-3); font-family: var(--font-body); }
.toc ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-1); }
.toc a { display: block; font-size: var(--text-sm); color: var(--color-text-muted); padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); border-left: 2px solid transparent; }
.toc a:hover { color: var(--color-primary); background: var(--color-surface); }
@media (max-width: 860px) { .doc-layout { grid-template-columns: 1fr; } .toc { display: none; } }

/* Timeline */
.timeline { position: relative; margin-left: var(--space-4); padding-left: var(--space-8); border-left: 2px solid var(--color-divider); }
.timeline__item { position: relative; padding-bottom: var(--space-8); }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before { content: ''; position: absolute; left: calc(-1 * var(--space-8) - 7px); top: 4px; width: 12px; height: 12px; border-radius: 50%; background: var(--color-primary); border: 3px solid var(--color-bg); box-shadow: 0 0 0 2px var(--color-primary-soft-2); }
.timeline__phase { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-primary); }
.timeline__title { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; margin: var(--space-1) 0 var(--space-2); }
.timeline__desc { color: var(--color-text-muted); font-size: var(--text-sm); }

/* Decision pills */
.decisions { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-4); }
.decision { padding: var(--space-5); border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.decision h4 { font-family: var(--font-display); font-size: var(--text-base); margin-bottom: var(--space-2); }
.decision p { font-size: var(--text-sm); color: var(--color-text-muted); }
.decision--accept { border-left: 3px solid var(--color-success); }
.decision--minor { border-left: 3px solid var(--color-primary); }
.decision--major { border-left: 3px solid var(--color-cta); }
.decision--reject { border-left: 3px solid var(--color-text-faint); }

/* Editorial board profiles */
.profile-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--space-6); }
.profile { text-align: left; }
.profile__avatar { width: 72px; height: 72px; border-radius: 50%; background: var(--color-primary-soft); color: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); margin-bottom: var(--space-3); }
.profile__name { font-family: var(--font-display); font-weight: 600; font-size: var(--text-base); }
.profile__role { font-size: var(--text-sm); color: var(--color-primary); margin-bottom: var(--space-1); }
.profile__inst { font-size: var(--text-sm); color: var(--color-text-muted); }

/* =========================================================================
   Submission form
   ========================================================================= */
.form-card { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: clamp(var(--space-6), 4vw, var(--space-12)); box-shadow: var(--shadow-sm); }
.form-section + .form-section { margin-top: var(--space-10); padding-top: var(--space-8); border-top: 1px solid var(--color-divider); }
.form-section__title { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; margin-bottom: var(--space-1); }
.form-section__hint { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-6); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.field label { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); }
.field .req { color: var(--color-cta); }
.field input[type='text'],
.field input[type='email'],
.field input[type='url'],
.field textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-base);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--color-primary); background: var(--color-bg); box-shadow: 0 0 0 3px var(--color-primary-soft); }
.field textarea { resize: vertical; min-height: 120px; }
.field__help { font-size: var(--text-xs); color: var(--color-text-faint); }
.char-count { font-variant-numeric: tabular-nums; }

.dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  background: var(--color-surface);
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
  cursor: pointer;
}
.dropzone:hover, .dropzone--drag { border-color: var(--color-primary); background: var(--color-primary-soft); }
.dropzone svg { color: var(--color-primary); margin: 0 auto var(--space-3); }
.dropzone__title { font-weight: 600; color: var(--color-text); margin-bottom: var(--space-1); }
.dropzone__hint { font-size: var(--text-sm); color: var(--color-text-muted); }
.dropzone input[type='file'] { display: none; }
.file-chosen { margin-top: var(--space-3); font-size: var(--text-sm); color: var(--color-success); font-weight: 600; }

.divider-or { display: flex; align-items: center; gap: var(--space-4); margin-block: var(--space-6); color: var(--color-text-faint); font-size: var(--text-sm); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }
.divider-or::before, .divider-or::after { content: ''; flex: 1; height: 1px; background: var(--color-divider); }

.notice {
  display: flex; gap: var(--space-3);
  background: var(--color-primary-soft); border: 1px solid var(--color-primary-soft-2);
  border-radius: var(--radius-md); padding: var(--space-4);
  font-size: var(--text-sm); color: var(--color-text); margin-bottom: var(--space-4);
}
.notice svg { flex-shrink: 0; color: var(--color-primary); margin-top: 2px; }

.form-success { display: none; text-align: center; padding: var(--space-12) var(--space-6); }
.form-success svg { color: var(--color-success); margin: 0 auto var(--space-4); }
.form-success h2 { font-size: var(--text-xl); margin-bottom: var(--space-3); }
.form-success p { color: var(--color-text-muted); max-width: 50ch; margin-inline: auto; }

/* =========================================================================
   CTA band
   ========================================================================= */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary-active), var(--color-primary));
  color: #fff;
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-20));
  text-align: center;
}
.cta-band h2 { color: #fff; font-size: var(--text-2xl); margin-bottom: var(--space-4); }
.cta-band p { color: #d6eef3; max-width: 52ch; margin: 0 auto var(--space-8); font-size: var(--text-lg); }
.cta-band .hero__actions { justify-content: center; }

/* =========================================================================
   Footer
   ========================================================================= */
.footer { background: var(--color-surface-2); border-top: 1px solid var(--color-divider); padding-block: var(--space-16) var(--space-8); }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: var(--space-10); margin-bottom: var(--space-12); }
@media (max-width: 760px) { .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); } }
.footer__brand { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); color: var(--color-text); }
.footer__logo { width: 34px; height: 34px; color: var(--color-primary); }
.footer p { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-2); }
.footer h4 { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-faint); margin-bottom: var(--space-4); font-family: var(--font-body); font-weight: 600; }
.footer__links { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer__links a { font-size: var(--text-sm); color: var(--color-text-muted); }
.footer__links a:hover { color: var(--color-primary); }
.footer__bottom { border-top: 1px solid var(--color-divider); padding-top: var(--space-6); display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4); align-items: center; }
.footer__bottom p { margin: 0; font-size: var(--text-xs); }
.footer__social { display: flex; gap: var(--space-3); }
.footer__social a { width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-md); border: 1px solid var(--color-border); color: var(--color-text-muted); }
.footer__social a:hover { color: var(--color-primary); border-color: var(--color-primary); }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* Skip link */
.skip-link { position: absolute; left: -999px; top: 0; z-index: 200; background: var(--color-primary); color: #fff; padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); }
.skip-link:focus { left: var(--space-4); top: var(--space-4); color: #fff; }

/* =========================================================================
   Editor portal + dynamic archive
   ========================================================================= */
.editor-error {
  color: #c0392b;
  background: rgba(192, 57, 43, 0.08);
  border: 1px solid rgba(192, 57, 43, 0.25);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  margin: var(--space-3) 0;
}
[data-theme='dark'] .editor-error { color: #ff8a7a; background: rgba(192, 57, 43, 0.16); }

/* Spinner shown inside loading buttons */
.spinner {
  width: 16px; height: 16px; margin-left: var(--space-2);
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  border-radius: 50%;
  display: inline-block; vertical-align: -3px;
  animation: jsi-spin 0.7s linear infinite;
}
.btn--primary .spinner, .btn--cta .spinner { border-color: rgba(255,255,255,0.5); border-top-color: #fff; }
@keyframes jsi-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 1.4s; } }

.dropzone--active { border-color: var(--color-primary); background: var(--color-primary-soft); }

/* Published-articles management list */
.editor-list { margin-top: var(--space-5); display: flex; flex-direction: column; gap: var(--space-3); }
.editor-empty { color: var(--color-text-muted); font-size: var(--text-sm); padding: var(--space-4) 0; }
.editor-row {
  display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}
.editor-row__title { font-weight: 600; margin-top: var(--space-2); line-height: 1.3; }
.editor-row__sub { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-1); font-variant-numeric: tabular-nums; }
.editor-row__actions { display: flex; flex-direction: column; gap: var(--space-2); align-items: flex-end; flex-shrink: 0; }
.editor-link { font-size: var(--text-sm); font-weight: 600; color: var(--color-primary); background: none; border: none; cursor: pointer; padding: 0; white-space: nowrap; }
.editor-link:hover { text-decoration: underline; }
.editor-link--danger { color: #c0392b; }
[data-theme='dark'] .editor-link--danger { color: #ff8a7a; }

/* Toast */
.editor-flash {
  position: fixed; left: 50%; bottom: var(--space-6); transform: translate(-50%, 16px);
  background: var(--color-success); color: #fff;
  padding: var(--space-3) var(--space-6); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); font-size: var(--text-sm); font-weight: 600;
  opacity: 0; transition: opacity 0.3s, transform 0.3s; z-index: 300; max-width: 90vw; text-align: center;
}
.editor-flash--in { opacity: 1; transform: translate(-50%, 0); }

/* Abstract line on archive cards (only shown for published articles) */
.article-card__abstract { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.5; }

@media (max-width: 560px) {
  .editor-row { flex-direction: column; }
  .editor-row__actions { flex-direction: row; align-items: center; }
}