/* Copyright (C) 2026 Graham Lee. SPDX-License-Identifier: AGPL-3.0-or-later */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;700&family=Lora:wght@400;600&family=Inter:wght@400;600&family=Fira+Mono:wght@400;500&display=swap');

/* ── Custom Properties (light mode) ─────────── */
:root {
  --color-brand:        #002147;
  --color-accent:       #00FFFF;
  --color-success:      #4CAF50;
  --color-error:        #D32F2F;
  --color-warning:      #FFC107;

  --color-ka-0:         #002147; --color-ka-0-text: #F9F9F9;
  --color-ka-1:         #8EA4D2; --color-ka-1-text: #202020;
  --color-ka-2:         #6279B8; --color-ka-2-text: #F9F9F9;
  --color-ka-3:         #496F5D; --color-ka-3-text: #F9F9F9;
  --color-ka-4:         #498467; --color-ka-4-text: #F9F9F9;

  --bg:                 #F9F9F9;
  --bg-secondary:       #EFEFEF;
  --bg-code:            #E8E8E8;
  --bg-card:            #FFFFFF;
  --text:               #202020;
  --text-secondary:     #555555;
  --border:             #DDDDDD;
  --shadow:             0 1px 3px rgba(0,0,0,.1);

  --nav-bg:             #002147;
  --nav-text:           #F9F9F9;
  --nav-text-secondary: #8EA4D2;

  --sidebar-bg:         #F0F2F5;

  --font-heading:       'Oswald', sans-serif;
  --font-body:          'Lora', serif;
  --font-ui:            'Inter', sans-serif;
  --font-mono:          'Fira Mono', monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:             #121212;
    --bg-secondary:   #1A1A1A;
    --bg-code:        #1E1E2E;
    --bg-card:        #1E1E1E;
    --text:           #F0F0F0;
    --text-secondary: #AAAAAA;
    --border:         #333333;
    --shadow:         0 1px 3px rgba(0,0,0,.4);
    --sidebar-bg:     #181818;
  }
}

/* ── Reset ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--color-brand); text-decoration: none; }
a:hover { text-decoration: underline; }
@media (prefers-color-scheme: dark) {
  a { color: var(--nav-text-secondary); }
}

img { max-width: 100%; display: block; }

/* ── Typography ─────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }
h4 { font-size: 1rem; }

p { margin-bottom: 1rem; }

code, pre, .mono {
  font-family: var(--font-mono);
  font-size: .875rem;
  background: var(--bg-code);
  border-radius: 4px;
}
code { padding: .1em .3em; }
pre { padding: 1rem; overflow-x: auto; margin-bottom: 1rem; }

/* ── Navigation ─────────────────────────────── */
.site-nav {
  background: var(--nav-bg);
  color: var(--nav-text);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 56px;
  flex-shrink: 0;
}

.site-nav a { color: var(--nav-text); }
.site-nav a:hover { color: var(--nav-text-secondary); text-decoration: none; }

.site-nav__brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: .04em;
  white-space: nowrap;
}

.site-nav__tagline {
  font-family: var(--font-ui);
  font-size: .75rem;
  color: var(--nav-text-secondary);
  white-space: nowrap;
}

.site-nav__search {
  margin-left: auto;
  display: flex;
  gap: .5rem;
}

.site-nav__search input[type="search"] {
  font-family: var(--font-ui);
  font-size: .875rem;
  padding: .35rem .75rem;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 4px;
  background: rgba(255,255,255,.1);
  color: var(--nav-text);
  width: 220px;
}
.site-nav__search input::placeholder { color: rgba(255,255,255,.5); }
.site-nav__search input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255,255,255,.15);
}

.site-nav__admin-badge {
  font-family: var(--font-ui);
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  background: var(--color-accent);
  color: #000;
  padding: .2rem .5rem;
  border-radius: 3px;
}

/* ── Page shell ─────────────────────────────── */
.page-shell {
  display: flex;
  flex: 1;
  min-height: 0;
}

/* ── Sidebar ─────────────────────────────────  */
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 1.25rem 0;
  overflow-y: auto;
}

.sidebar__section {
  padding: 0 1rem .75rem;
  font-family: var(--font-ui);
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-secondary);
}

.sidebar__list { list-style: none; }

.sidebar__item a {
  display: block;
  padding: .4rem 1rem;
  font-family: var(--font-ui);
  font-size: .875rem;
  color: var(--text);
  border-left: 3px solid transparent;
}
.sidebar__item a:hover { background: var(--bg-secondary); text-decoration: none; }
.sidebar__item--active a {
  border-left-color: var(--color-brand);
  font-weight: 600;
  color: var(--color-brand);
  background: var(--bg-secondary);
}
@media (prefers-color-scheme: dark) {
  .sidebar__item--active a { color: var(--nav-text-secondary); border-left-color: var(--nav-text-secondary); }
}

.sidebar__count {
  float: right;
  font-size: .75rem;
  color: var(--text-secondary);
}

/* ── Main content ───────────────────────────── */
.main-content {
  flex: 1;
  padding: 1.5rem 2rem;
  overflow-y: auto;
  min-width: 0;
}

/* ── Filter bar ─────────────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.filter-bar__label {
  font-family: var(--font-ui);
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.filter-bar select, .filter-bar input[type="text"] {
  font-family: var(--font-ui);
  font-size: .875rem;
  padding: .3rem .6rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-card);
  color: var(--text);
}
.filter-bar select:focus, .filter-bar input:focus {
  outline: none;
  border-color: var(--color-brand);
}

.filter-bar__results {
  margin-left: auto;
  font-family: var(--font-ui);
  font-size: .8rem;
  color: var(--text-secondary);
}

/* ── Item list ──────────────────────────────── */
.item-list { list-style: none; }

.item-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin-bottom: .75rem;
  box-shadow: var(--shadow);
}

.item-card__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: .25rem;
}
.item-card__title a { color: var(--text); }
.item-card__title a:hover { color: var(--color-brand); }

.item-card__meta {
  font-family: var(--font-ui);
  font-size: .8rem;
  color: var(--text-secondary);
  margin-bottom: .5rem;
}
.item-card__meta span + span::before { content: " · "; }

.item-card__badges { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }

.item-card__links {
  margin-top: .5rem;
  font-family: var(--font-ui);
  font-size: .8rem;
  display: flex;
  gap: 1rem;
}

/* ── Admin table ────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: .875rem;
}
.data-table th {
  text-align: left;
  padding: .6rem .75rem;
  background: var(--bg-secondary);
  border-bottom: 2px solid var(--border);
  font-weight: 600;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-secondary);
}
.data-table td {
  padding: .65rem .75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-secondary); }

.data-table__actions { white-space: nowrap; display: flex; gap: .5rem; }

/* ── Badges ─────────────────────────────────── */
.badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: .2em .55em;
  border-radius: 3px;
  white-space: nowrap;
}

/* State badges */
.badge-state-unread    { background: #888; color: #fff; }
.badge-state-read      { background: var(--color-brand); color: #fff; }
.badge-state-has_notes { background: #6279B8; color: #fff; }
.badge-state-has_script{ background: var(--color-warning); color: #202020; }
.badge-state-has_episode { background: var(--color-success); color: #fff; }

/* KA badges (5 colours cycling) */
.badge-ka-0 { background: var(--color-ka-0); color: var(--color-ka-0-text); }
.badge-ka-1 { background: var(--color-ka-1); color: var(--color-ka-1-text); }
.badge-ka-2 { background: var(--color-ka-2); color: var(--color-ka-2-text); }
.badge-ka-3 { background: var(--color-ka-3); color: var(--color-ka-3-text); }
.badge-ka-4 { background: var(--color-ka-4); color: var(--color-ka-4-text); }

/* ── Buttons ─────────────────────────────────  */
.btn {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: .875rem;
  font-weight: 600;
  padding: .45rem 1rem;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: opacity .15s;
}
.btn:hover { opacity: .85; text-decoration: none; }

.btn-primary   { background: var(--color-brand); color: #fff; }
.btn-secondary { background: var(--bg-secondary); color: var(--text); border: 1px solid var(--border); }
.btn-danger    { background: var(--color-error); color: #fff; }
.btn-sm        { font-size: .775rem; padding: .3rem .65rem; }

/* ── Forms ──────────────────────────────────── */
.form-page { max-width: 640px; }

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-family: var(--font-ui);
  font-size: .825rem;
  font-weight: 600;
  margin-bottom: .35rem;
  color: var(--text);
}
.form-group label .required { color: var(--color-error); margin-left: .2em; }

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: var(--font-ui);
  font-size: .9rem;
  padding: .5rem .75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-card);
  color: var(--text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px rgba(0,33,71,.15);
}
.form-group--error input,
.form-group--error select {
  border-color: var(--color-error);
}
.form-group__error {
  font-family: var(--font-ui);
  font-size: .8rem;
  color: var(--color-error);
  margin-top: .3rem;
}
.form-group__hint {
  font-family: var(--font-ui);
  font-size: .775rem;
  color: var(--text-secondary);
  margin-top: .3rem;
}

.form-row { display: flex; gap: 1rem; }
.form-row .form-group { flex: 1; }

.form-check {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-ui);
  font-size: .9rem;
}
.form-check input[type="checkbox"] { width: 1rem; height: 1rem; }

.form-actions {
  display: flex;
  gap: .75rem;
  align-items: center;
  padding-top: .5rem;
  border-top: 1px solid var(--border);
  margin-top: 1.5rem;
}

/* ── Page header ─────────────────────────────  */
.page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.page-header h1 { font-size: 1.5rem; }

/* ── Flash messages ──────────────────────────  */
.flash {
  font-family: var(--font-ui);
  font-size: .875rem;
  padding: .75rem 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}
.flash-success { background: #E8F5E9; color: #1B5E20; border: 1px solid #A5D6A7; }
.flash-error   { background: #FFEBEE; color: #B71C1C; border: 1px solid #EF9A9A; }
@media (prefers-color-scheme: dark) {
  .flash-success { background: #1B5E2055; border-color: #388E3C; color: #A5D6A7; }
  .flash-error   { background: #B71C1C33; border-color: #D32F2F; color: #EF9A9A; }
}

/* ── Pagination ──────────────────────────────  */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  margin-top: 1.5rem;
  font-family: var(--font-ui);
  font-size: .875rem;
}

.pagination a, .pagination span {
  display: inline-block;
  padding: .35rem .65rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  min-width: 2rem;
  text-align: center;
}
.pagination a:hover { background: var(--bg-secondary); text-decoration: none; }
.pagination .current { background: var(--color-brand); color: #fff; border-color: var(--color-brand); font-weight: 600; }
.pagination .disabled { color: var(--text-secondary); cursor: default; }

/* ── Login page ──────────────────────────────  */
.login-wrap {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 4rem 1rem;
  flex: 1;
}
.login-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow);
}
.login-box h1 {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}

/* ── Footer ──────────────────────────────────  */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1rem 1.5rem;
  font-family: var(--font-ui);
  font-size: .775rem;
  color: var(--text-secondary);
  text-align: center;
  flex-shrink: 0;
}

/* ── Responsive ──────────────────────────────  */
@media (max-width: 720px) {
  .sidebar { display: none; }
  .main-content { padding: 1rem; }
  .form-row { flex-direction: column; gap: 0; }
  .site-nav__tagline { display: none; }
  .site-nav__search input { width: 140px; }
}