/*
 * EFES-NG Base Stylesheet — SigiDoc Feind
 *
 * Load order: base.css → epidoc.css → project.css
 * To customise, edit project.css (loaded last, wins by source order).
 */

html { scrollbar-gutter: stable; }

:root {
    --ink:             #2d3748;
    --primary:         #2c5282;
    --primary-dark:    #1a365d;
    --accent:          #0066cc;
    --accent-hover:    #004499;
    --accent-faint:    #edf2f7;
    --slate:           #4a5568;
    --border-color:    #e2e8f0;
    --bg-base:         #f7fafc;
    --bg-light:        #ffffff;
    --header-bg:       #2c5282;
    --header-bg-dark:  #2d3748;
    --header-text:     #e2e8f0;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);

    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-greek: 'Times New Roman', Times, serif;
    --font-mono: 'Courier New', Courier, monospace;
}

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

body {
    font-family: var(--font-body);
    color: var(--ink);
    line-height: 1.6;
    background: var(--bg-base);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.layout-grid {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    flex: 1;
}

h1 {
    color: var(--primary);
    font-weight: 600;
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent);
    font-size: 2.25rem;
}

main { padding: 1.5rem 0 3rem; }

a { color: var(--accent); transition: color 0.15s ease; }
a:hover { color: var(--accent-hover); }

/* Override Foundation grid */
.layout-grid .row { max-width: none; margin: 0; }
.layout-grid .columns { padding: 0; }

/* Header */
body > header {
    background: var(--header-bg);
    color: white;
    border-bottom: 3px solid var(--accent);
}

.header-inner { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    padding: 1.25rem 0;
}

#site-title { margin: 0; padding: 0; font-size: 1.5rem; font-weight: 700; border: none; }

.site-title-link { text-decoration: none; color: white; }
.site-title-full { font-size: 1.125rem; font-weight: 400; color: var(--header-text); }

/* Navigation */
.site-nav { display: flex; gap: 0.25rem; align-items: stretch; }

.nav-link {
    display: flex; align-items: center; padding: 0 0.75rem;
    font-size: 0.85rem; font-weight: 600; color: var(--header-text);
    text-decoration: none; text-transform: uppercase; letter-spacing: 0.06em;
    border-bottom: 3px solid transparent; margin-bottom: -3px;
    transition: color 0.15s;
}
.nav-link:hover { color: #fff; text-decoration: none; }
.nav-link.nav-active { color: #fff; border-bottom-color: var(--accent); }

.nav-dropdown { position: relative; display: flex; align-items: stretch; }
.nav-dropdown-toggle::after { content: '\25BE'; margin-left: 0.25rem; font-size: 0.65rem; opacity: 0.6; }
.nav-dropdown-menu {
    display: none; position: absolute; top: 100%; left: 0;
    margin: 0; padding: 0.5rem 0; list-style: none;
    background: var(--header-bg); border: 1px solid rgba(0,102,204,0.3);
    border-top: 2px solid var(--accent); box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    min-width: 180px; z-index: 100;
}
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.nav-dropdown-menu li a {
    display: block; padding: 0.4rem 1rem; color: var(--header-text);
    text-decoration: none; font-size: 0.85rem; white-space: nowrap;
}
.nav-dropdown-menu li a { transition: background 0.15s; }
.nav-dropdown-menu li a:hover { background: rgba(0,102,204,0.15); color: #fff; }
.nav-dropdown-menu::before { content: ''; position: absolute; top: -3px; left: 0; right: 0; height: 3px; }

/* Footer */
footer {
    background: var(--header-bg-dark); color: var(--header-text);
    padding: 1.5rem 0; margin-top: 3rem; border-top: 2px solid var(--accent);
}
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; text-align: center; }
footer p { margin: 0; font-size: 0.8rem; color: rgba(226,232,240,0.6); }
footer a { color: var(--header-text); text-decoration: none; }

/* Data tables */
.data-table { width: 100%; border-collapse: collapse; margin-top: 0.5rem; }
.data-table thead { border-bottom: 2px solid var(--accent); }
.data-table th {
    padding: 0.625rem 0.75rem; text-align: left; font-weight: 600;
    font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--slate); border: none; background: none;
}
.data-table td { padding: 0.625rem 0.75rem; border-bottom: 1px solid var(--border-color); vertical-align: middle; font-size: 0.9rem; }
.data-table tbody tr { transition: background 0.1s; }
.data-table tbody tr:hover { background: var(--accent-faint); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* Document navigation */
.doc-nav { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; padding: 0.625rem 0; margin-bottom: 0.5rem; font-size: 0.8rem; }
.doc-nav--bottom { margin-bottom: 0; margin-top: 1rem; justify-content: center; }
.doc-nav-back { color: var(--slate); text-decoration: none; font-weight: 500; }
.doc-nav-back:hover { color: var(--ink); }
.doc-nav-pager { display: flex; gap: 0.5rem; }
.doc-nav-link { color: var(--accent); text-decoration: none; padding: 0.25rem 0.5rem; border: 1px solid var(--border-color); background: var(--bg-light); font-weight: 500; transition: all 0.15s; }
.doc-nav-link:hover { border-color: var(--accent); background: var(--accent-faint); }
.doc-nav-disabled { color: var(--border-color); padding: 0.25rem 0.5rem; border: 1px solid transparent; }

/* Document container */
.document { background: var(--bg-light); border: 1px solid var(--border-color); padding: 2rem 2.5rem; margin-top: 1rem; line-height: 1.7; }
.document > * { width: 100%; float: none; }
.doc-title { color: var(--primary); font-weight: 600; font-size: 2rem; margin: 0 0 1.5rem; padding: 0; border: none; }
.doc-id { display: inline-block; font-family: var(--font-mono); font-size: 0.8rem; font-weight: 600; color: var(--accent); background: var(--bg-light); padding: 0.1rem 0.4rem; border: 1px solid var(--border-color); text-decoration: none; }

/* Intro/summary text */
.index-intro, .list-summary { font-size: 0.9rem; color: var(--slate); margin-bottom: 1.5rem; }
.entry-count-info { color: var(--slate); font-size: 0.85rem; margin-bottom: 0.75rem; }

/* Search results bar (status + sort on one line) */
.efes-results-bar { display: flex; align-items: baseline; gap: 0.5rem; margin-bottom: 0.75rem; font-size: 0.9rem; color: var(--slate); }
.efes-results-bar .efes-results-status { margin-right: auto; }
.efes-sort-label { font-size: 0.75rem; color: var(--slate); opacity: 0.6; }
efes-sort { display: inline-flex; align-items: baseline; gap: 0.35rem; white-space: nowrap; }
.efes-sort-select {
    padding: 0.2rem 1.2rem 0.2rem 0.4rem; border: none; border-bottom: 1px solid var(--border-color);
    border-radius: 0; font-size: 0.8rem; color: var(--ink); background: transparent;
    cursor: pointer; outline: none; transition: border-color 0.2s; appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23a0aec0'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 0.2rem center;
}
.efes-sort-select:hover, .efes-sort-select:focus { border-bottom-color: var(--accent); }
.efes-sort-dir {
    padding: 0.2rem 0.45rem; border: none; border-bottom: 1px solid transparent; border-radius: 0;
    background: transparent; cursor: pointer; font-size: 0.7rem; font-weight: 500;
    color: var(--slate); opacity: 0.6; line-height: 1; transition: color 0.2s, border-color 0.2s; white-space: nowrap;
}
.efes-sort-dir:hover { opacity: 1; color: var(--accent); border-bottom-color: var(--accent); }

/* Document list tables */
.doc-list-id { white-space: nowrap; font-weight: 600; }

/* Index tables */
.index-table { margin-bottom: 2rem; }
.index-table td:first-child { font-weight: 500; color: var(--ink); }
.index-table .references { font-size: 0.85rem; line-height: 1.6; }
.index-table .references a { color: var(--accent); text-decoration: none; }
.index-table .references a:hover { text-decoration: underline; }

.index-table h3 { color: var(--ink); font-size: 1.25rem; margin-top: 2rem; }
.group-count-info { color: var(--slate); font-size: 0.8rem; margin: 0.25rem 0 0.5rem; }

/* Index notes */
.index-notes {
    background: var(--accent-faint);
    border-left: 3px solid var(--accent);
    padding: 0.85rem 1.25rem;
    margin-bottom: 1.5rem;
}
.index-notes p { margin: 0; color: var(--slate); font-size: 0.9rem; }

/* ── Index cards ── */

.indices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.index-card {
    display: block;
    padding: 1.25rem 1.5rem;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    transition: all 0.15s ease;
}

.index-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.index-card h3 {
    margin: 0 0 0.375rem;
    color: var(--ink);
    font-size: 1.125rem;
    font-weight: 600;
}

.index-card p {
    margin: 0 0 0.75rem;
    color: var(--slate);
    font-size: 0.85rem;
    line-height: 1.5;
}

.index-card .entry-count {
    display: inline-block;
    padding: 0.2rem 0.625rem;
    background: var(--accent-faint);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 3px;
}

/* ── Language switcher ── */

.language-switcher {
    display: flex;
    gap: 0.375rem;
    align-items: center;
    flex-shrink: 0;
}

.lang-link, .lang-current {
    padding: 0.3rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: all 0.15s ease;
    white-space: nowrap;
    text-decoration: none;
}

.lang-link {
    color: var(--header-text);
    border: 1px solid rgba(255,255,255,0.15);
}

.lang-link:hover {
    color: #fff;
    border-color: var(--accent);
    text-decoration: none;
}

.lang-current {
    color: #fff;
    border: 1px solid var(--accent);
    background: rgba(0,102,204,0.2);
}

@media (max-width: 768px) {
    .layout-grid { padding: 0 1.25rem; }
    h1 { font-size: 1.875rem; margin: 1.5rem 0 0.75rem; }
    .header-content { flex-wrap: wrap; gap: 0.75rem; padding: 1rem 0; }
    .site-nav { order: 3; width: 100%; flex-wrap: wrap; }
    .document { padding: 1.25rem; }
    .doc-nav { flex-direction: column; align-items: flex-start; }
    .doc-nav-pager { width: 100%; justify-content: space-between; }
}