/* 01-base.css - Basis, layout, sidebar en navigatie
   Onderdeel van de AperioLibrum-stylesheet. Alle 13 bestanden laden in deze
   volgorde via templates/_stylesheets.html: de volgorde is de cascade, dus niet
   herschikken en geen bestand hernoemen zonder de linktemplate mee te nemen. */
/* Visueel verborgen, maar door schermlezers wel gelezen. */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ── AperioLibrum – Internal Styles ── */
:root {
    color-scheme: light;
    --bg-side: #89bfa3;
    --bg-side-hover: #c0ddcf;
    --bg-main: #f5f5f5;
    --text-main: #222;
    --text-muted: #555;
    --line: rgba(0, 0, 0, 0.1);
    --primary: #89bfa3;
    --primary-light: #c0ddcf;
    --success: #2ecc71;
    --hover-row: #f0f4ff;
    --card-bg: #fff;
    --card-border: var(--line);
    --input-bg: #fff;
    --input-border: var(--line);
    --sidebar-text: #fff;
    --brand-bg: var(--text-main);
    --refresh-bg: #fff;
    --refresh-border: var(--line);
    --refresh-hover: #f0f4ff;
    --table-header-bg: #f0f4ff;
    --table-row-hover: var(--hover-row);
    --modal-bg: #fff;
    --modal-border: var(--line);
    --dropdown-bg: #fff;
    --dropdown-border: var(--line);
    --dropdown-hover: #f0f4ff;
    --code-bg: #f0f4ff;
    --code-border: var(--line);
    --hero-bg: var(--primary);
    --hero-card-bg: #fff;
    --hero-input-border: var(--line);
    --hero-input-focus-border: var(--primary);
    --hero-input-focus-shadow: rgba(8, 64, 102, 0.12);
    --widget-bg: #fff;
    --widget-border: var(--line);
    --widget-shadow: rgba(0, 0, 0, 0.04);
    --widget-hover-shadow: rgba(8, 64, 102, 0.1);
    --widget-alert-bg: #fdf2f2;
    --widget-alert-border: #e74c3c;
    --badge-bg: #e8e8e8;
    --badge-text: #555;
    --badge-available-bg: #d4edda;
    --badge-available-text: #155724;
    --badge-loaned-bg: #fdecec;
    --badge-loaned-text: #c0392b;
    --badge-reserved-bg: #fff3cd;
    --badge-reserved-text: #856404;
    --overlay-bg: rgba(0, 0, 0, 0.5);
    --loading-bg: transparent;
    --spinner-border: var(--line);
    --spinner-top: var(--primary);
    --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.2);
    --focus-ring: rgba(8, 64, 102, 0.12);
    --scrollbar-thumb: #ccc;
    --select-bg: #fff;
    --suggestion-bg: #e8f4f8;
    --label-text: #444;
    --bar-track: #e9eef5;
    --strength-track: #e0e0e0;
    --dirty-bg: #fffde7;
    --dirty-hover: #fff9c4;
    --new-bg: #f0fff0;
    --tab-bg: #f8f9fb;
    --tab-hover: #eef1f5;
    --tab-active: #fff;
}

[data-theme="dark"] {
    color-scheme: dark;
    --bg-side: #1e2d2a;
    --bg-side-hover: #253833;
    --bg-main: #121a18;
    --text-main: #e8efe9;
    --text-muted: #a8b8b0;
    --line: rgba(255, 255, 255, 0.12);
    --primary: #2d5a4d;
    --primary-light: #3a7a65;
    --success: #2ecc71;
    --hover-row: #1a2e26;
    --card-bg: #1a2a24;
    --card-border: rgba(255, 255, 255, 0.12);
    --input-bg: #1a2a24;
    --input-border: rgba(255, 255, 255, 0.18);
    --sidebar-text: #e8efe9;
    --brand-bg: #222;
    --refresh-bg: #1a2a24;
    --refresh-border: rgba(255, 255, 255, 0.18);
    --refresh-hover: #253833;
    --table-header-bg: #1e2d2a;
    --table-row-hover: #1a2e26;
    --modal-bg: #1a2a24;
    --modal-border: rgba(255, 255, 255, 0.12);
    --dropdown-bg: #1a2a24;
    --dropdown-border: rgba(255, 255, 255, 0.18);
    --dropdown-hover: #253833;
    --code-bg: #1e2d2a;
    --code-border: rgba(255, 255, 255, 0.18);
    --hero-bg: #1e2d2a;
    --hero-card-bg: #1a2a24;
    --hero-input-border: rgba(255, 255, 255, 0.18);
    --hero-input-focus-border: #3a7a65;
    --hero-input-focus-shadow: rgba(58, 122, 101, 0.15);
    --widget-bg: #1a2a24;
    --widget-border: rgba(255, 255, 255, 0.12);
    --widget-shadow: rgba(0, 0, 0, 0.2);
    --widget-hover-shadow: rgba(58, 122, 101, 0.15);
    --widget-alert-bg: #2d1a1a;
    --widget-alert-border: #e74c3c;
    --badge-bg: #2d3d36;
    --badge-text: #c8d8d0;
    --badge-available-bg: #1a3d2a;
    --badge-available-text: #6ee09e;
    --badge-loaned-bg: #3d1a1a;
    --badge-loaned-text: #e87a7a;
    --badge-reserved-bg: #3d351a;
    --badge-reserved-text: #e8d07a;
    --overlay-bg: rgba(0, 0, 0, 0.7);
    --loading-bg: transparent;
    --spinner-border: rgba(255, 255, 255, 0.18);
    --spinner-top: #3a7a65;
    --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.5);
    --focus-ring: rgba(58, 122, 101, 0.18);
    --scrollbar-thumb: #2d3d36;
    --select-bg: #1a2a24;
    --suggestion-bg: #1e2d2a;
    --label-text: #c8d8d0;
    --bar-track: #253833;
    --strength-track: #2d3d36;
    --dirty-bg: #3d351a;
    --dirty-hover: #4a3f1e;
    --new-bg: #1a3d2a;
    --tab-bg: #1e2d2a;
    --tab-hover: #253833;
    --tab-active: #1a2a24;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--bg-main);
    color: var(--text-main);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ── Layout ── */
.layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ── Sidebar ── */
.sidebar {
    width: 260px;
    flex-shrink: 0;
    background: var(--bg-side);
    color: var(--sidebar-text);
    padding: 24px 14px;
    height: 100vh;
    position: sticky;
    top: 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
    transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), padding 0.3s ease, background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

.sidebar::-webkit-scrollbar {
    display: none;
}

.sidebar .brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin: 0 0 24px;
    transition: margin 0.3s ease;
}

.brand-logo {
    width: 100px;
    height: 100px;
    border-radius: 14px;
    background: var(--brand-bg);
    transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), height 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.sidebar h1 {
    margin: 0;
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.5px;
    transition: color 0.3s ease, opacity 0.25s ease, width 0.25s ease, height 0.25s ease, margin 0.25s ease;
}

/* ── Sidebar-toggle (inklappen/uitklappen) ── */
.sidebar-toggle {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    padding: 0;
    border: none;
    border-radius: 7px;
    cursor: pointer;
    color: var(--text-muted);
    background: transparent;
    transition: background 0.2s, color 0.15s, transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1), right 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.sidebar-toggle svg {
    width: 16px;
    height: 16px;
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-main);
}

[data-theme="dark"] .sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ── Mobilenavigatie (off-canvas drawer) ──
   Op desktop onzichtbaar; op mobiel hamburger-knop + overlay. */
.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 10px;
    cursor: pointer;
    color: var(--text-main);
    background: var(--refresh-bg);
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.mobile-menu-btn:hover {
    background: var(--refresh-hover);
    box-shadow: 0 2px 8px rgba(8, 64, 102, 0.12);
    transform: translateY(-1px);
}

.mobile-menu-btn svg {
    display: block;
}

.sidebar-backdrop {
    display: none;
}

/* ── Ingeklapte zijbalk (icon-rail) ── */
body.sidebar-collapsed .sidebar {
    width: 78px;
    padding: 16px 10px 16px 10px;
}

body.sidebar-collapsed .sidebar .brand {
    margin-top: 30px;
    margin-bottom: 20px;
}

body.sidebar-collapsed .brand-logo {
    width: 44px;
    height: 44px;
    transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), height 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

body.sidebar-collapsed .sidebar h1 {
    opacity: 0;
    width: 0;
    height: 0;
    margin: 0;
    overflow: hidden;
}

body.sidebar-collapsed .sidebar-toggle {
    right: 50%;
    transform: translateX(50%) rotate(180deg);
}

body.sidebar-collapsed .nav-btn {
    justify-content: center;
    padding: 11px 0;
    gap: 0;
}

body.sidebar-collapsed .nav-btn span {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

body.sidebar-collapsed .sidebar-divider {
    margin: 8px 0;
}

/* ── Nav buttons ── */
.nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    width: 100%;
    border: 0;
    margin: 3px 0;
    padding: 11px 14px;
    border-radius: 10px;
    cursor: pointer;
    color: var(--text-main);
    background: transparent;
    text-align: left;
    font-size: 15px;
    font-weight: 600;
    transition: background 0.2s, color 0.15s;
}

.nav-btn svg {
    flex-shrink: 0;
    transition: transform 0.25s ease;
}

.nav-btn span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity 0.25s ease, width 0.25s ease;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-main);
}

[data-theme="dark"] .nav-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--sidebar-text);
}

.nav-btn.active {
    background: var(--text-main);
    color: var(--bg-side);
}

[data-theme="dark"] .nav-btn.active {
    background: var(--sidebar-text);
    color: var(--bg-side);
}

.sidebar-divider {
    border: none;
    border-top: 1px solid var(--line);
    margin: 10px 0;
    transition: border-color 0.3s ease, margin 0.25s ease;
}

/* ── Zwevend snelmenu (rechtsonder, overal zichtbaar) ── */
.float-actions {
    position: fixed;
    bottom: 22px;
    right: 22px;
    z-index: 9998;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

.float-trigger,
.float-action {
    width: 52px;
    height: 52px;
    margin: 0;
    padding: 0;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--card-bg);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.22);
    transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.15s, opacity 0.2s ease, transform 0.25s ease;
}

.float-action {
    position: relative;
    opacity: 0;
    transform: translateY(8px) scale(0.6);
    pointer-events: none;
}

.float-actions.open .float-action {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.float-trigger:hover,
.float-action:hover {
    box-shadow: 0 6px 22px rgba(0, 0, 0, 0.28);
    transform: translateY(-1px);
}

.float-trigger:active,
.float-action:active {
    transform: scale(0.95);
}

.float-trigger-icon {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

.float-actions.open .float-trigger-icon {
    transform: rotate(90deg);
}