/* Base layout. Colours/fonts come from theme variables (see /css/themes/*.css). */

:root {
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

    --topbar-bg: #f8f9fb;
    --topbar-fg: #1f2430;

    --nav-bg: #ffffff;

    --panel-bg: #ffffff;
    --panel-fg: #1f2430;
    --panel-border: #d7dce3;

    --content-bg: #eef1f6;

    --fg: #1f2430;
    --muted: #6b7280;
    --border: var(--panel-border);
    --accent: #2563eb;
    --hover: #e8ecf2;

    --link: var(--accent);
    --link-hover: #1d4ed8;

    --scrollbar-thumb: #c8cfd9;
    --scrollbar-thumb-hover: var(--accent);
    --scrollbar-track: transparent;

    --lfg-border-on: #1b5e20;
    --lfg-border-off: #b71c1c;
    --lfg-bg-on: #a5d6a7;
    --lfg-bg-off: #ef9a9a;
    --lfg-fg-on: #1b5e20;
    --lfg-fg-off: #b71c1c;

    --ui-topbar: 56px;
    --ui-nav: 300px;
    --ui-font: 0.9rem;
    --ui-font-sm: 0.79rem;
    --ui-font-lg: 1.04rem;
    --ui-pad-v: 10px;
    --ui-pad-h: 20px;
    --ui-radius: 8px;
    --ui-icon: 22px;
    --ui-input: 40px;
    --ui-btn: 40px;
    --ui-search-width: 380px;
    --ui-gap: 1rem;
}

[data-size="large"] {
    --ui-topbar: 64px;
    --ui-nav: 320px;
    --ui-font: 0.96rem;
    --ui-font-sm: 0.84rem;
    --ui-font-lg: 1.08rem;
    --ui-pad-v: 12px;
    --ui-pad-h: 24px;
    --ui-radius: 10px;
    --ui-icon: 26px;
    --ui-input: 44px;
    --ui-btn: 44px;
    --ui-search-width: 440px;
    --ui-gap: 1.2rem;
}

[data-size="medium"] {
    --ui-topbar: 48px;
    --ui-nav: 210px;
    --ui-font: 0.86rem;
    --ui-font-sm: 0.76rem;
    --ui-font-lg: 0.97rem;
    --ui-pad-v: 8px;
    --ui-pad-h: 16px;
    --ui-radius: 6px;
    --ui-icon: 18px;
    --ui-input: 30px;
    --ui-btn: 30px;
    --ui-search-width: 320px;
    --ui-gap: 0.9rem;
}

[data-size="small"] {
    --ui-topbar: 40px;
    --ui-nav: 220px;
    --ui-font: 0.79rem;
    --ui-font-sm: 0.70rem;
    --ui-font-lg: 0.9rem;
    --ui-pad-v: 6px;
    --ui-pad-h: 12px;
    --ui-radius: 5px;
    --ui-icon: 18px;
    --ui-input: 26px;
    --ui-btn: 26px;
    --ui-search-width: 260px;
    --ui-gap: 0.75rem;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
    font-family: var(--font-family, 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif);
    font-size: var(--ui-font, 1rem);
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.top-bar {
    height: var(--ui-topbar, 56px);
    flex: 0 0 var(--ui-topbar, 56px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10px;
    background-color: var(--topbar-bg);
    color: var(--topbar-fg);
    border-bottom: 1px solid var(--panel-border);
    box-sizing: border-box;
}

.top-bar-brand {
    display: flex;
    align-items: center;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-logo {
    height: calc(var(--ui-topbar, 56px) - 16px);
    width: auto;
    margin: 12px;
    display: block;
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: var(--ui-gap, 1rem);
}

.top-bar-actions a,
.top-bar-actions button {
    text-decoration: none;
    color: var(--muted);
    border: none;
    background: none;
    cursor: pointer;
    font-size: var(--ui-font, 1rem);
}

.layout-body {
    display: flex;
    flex: 1;
    min-height: 0;
}

.nav-column {
    width: var(--ui-nav, 300px);
    flex: 0 0 var(--ui-nav, 300px);
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--nav-bg);
    border-right: 1px solid var(--panel-border);
    box-sizing: border-box;
}

.nav-column .nav-scrollable {
    flex: 1 1 auto;
    min-height: 0;
    margin: 0 8px;
    overflow-y: auto;
}

.nav-link {
    text-decoration: none;
    padding: 0 8px;
}

.nav-item .nav-link, .nav-item .nav-link.active {
    border-radius: var(--ui-radius);
}

.content-column {
    flex: 1;
    min-width: 0;
    min-height: 0;
    overflow-y: auto;
    background-color: var(--content-bg);
}

.page-body {
    padding: 24px;
    color: var(--fg);
}

/* ===================== Scrollbars ===================== */

* {
    scrollbar-width: auto;
    scrollbar-color: var(--scrollbar-thumb, var(--panel-border)) var(--scrollbar-track, transparent);
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background-color: var(--scrollbar-track, transparent);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-thumb, var(--panel-border));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--scrollbar-thumb-hover, var(--accent));
}

::-webkit-scrollbar-corner {
    background-color: transparent;
}

/* ===================== Default components ===================== */

input[type="text"],
input[type="search"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="month"],
input[type="week"],
input[type="color"],
textarea,
select {
    width: 100%;
    height: var(--ui-input, 40px);
    padding: var(--ui-pad-v, 10px) var(--ui-pad-h, 20px);
    border: 1px solid var(--panel-border);
    border-radius: var(--ui-radius, 8px);
    background-color: var(--control-bg, var(--content-bg));
    color: var(--fg);
    font-family: inherit;
    font-size: var(--ui-font, 1rem);
    outline: none;
    box-sizing: border-box;
}

input[type="text"]:focus,
input[type="search"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
input[type="datetime-local"]:focus,
input[type="month"]:focus,
input[type="week"]:focus,
textarea:focus,
select:focus {
    border-color: var(--accent);
}

input::placeholder,
textarea::placeholder {
    color: var(--muted);
}

input:disabled,
textarea:disabled,
select:disabled,
button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

input[type="checkbox"],
input[type="radio"] {
    width: 1.15rem;
    height: 1.15rem;
    accent-color: var(--accent);
    cursor: pointer;
}

input[type="range"] {
    accent-color: var(--accent);
    width: 100%;
}

input[type="color"] {
    height: 38px;
    padding: 2px;
    cursor: pointer;
}

textarea {
    resize: vertical;
    min-height: 96px;
}

select {
    cursor: pointer;
}

button,
input[type="button"],
input[type="submit"],
input[type="reset"] {
    height: var(--ui-btn, 40px);
    padding: 0 var(--ui-pad-h, 20px);
    border: 1px solid var(--panel-border);
    border-radius: var(--ui-radius, 8px);
    background-color: var(--control-bg, var(--content-bg));
    color: var(--fg);
    font-family: inherit;
    font-size: var(--ui-font, 1rem);
    cursor: pointer;
    box-sizing: border-box;
}

button:hover,
input[type="button"]:hover,
input[type="submit"]:hover,
input[type="reset"]:hover {
    border-color: var(--accent);
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.btn-primary {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

.btn-primary:hover {
    filter: brightness(1.1);
}

.btn-secondary {
    background-color: var(--control-bg, var(--content-bg));
    border-color: var(--panel-border);
    color: var(--fg);
}

/* Links */
a {
    color: var(--link);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover,
a:focus-visible {
    color: var(--link-hover);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Switch */
.switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.switch input[type="checkbox"] {
    width: 0;
    height: 0;
    opacity: 0;
    position: absolute;
}

.switch .track {
    position: relative;
    display: inline-block;
    width: 42px;
    height: 24px;
    border-radius: 12px;
    background-color: var(--panel-border);
    transition: background-color 0.2s ease;
}

.switch .track::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--control-bg, var(--content-bg));
    transition: transform 0.2s ease;
}

.switch input[type="checkbox"]:checked + .track {
    background-color: var(--accent);
}

.switch input[type="checkbox"]:checked + .track::after {
    transform: translateX(18px);
}