/*! 
 * Dunny CSS v0.1
 * A framework for people who just need to get on with it.
 * 
 * Copyright © 2026 Worth Considering Ltd
 * Licensed under GPL v3
 * https://github.com/user/dunny (placeholder)
 */

/* ==========================================================================
   CUSTOM PROPERTIES - DEFAULTS
   ========================================================================== */

:root {
    /* Seed colour - change this to derive a new palette */
    --seed-h: 210;
    --seed-s: 60%;
    --seed-l: 45%;
    
    /* Backgrounds */
    --bg-primary: #F5F5F5;
    --bg-secondary: #EBEBEB;
    --bg-tertiary: #E0E0E0;
    
    /* Text */
    --text-primary: #1A1A1A;
    --text-secondary: #3D3D3D;
    --text-muted: #5C5C5C;
    
    /* Accent (derived from seed) */
    --accent: hsl(var(--seed-h), var(--seed-s), var(--seed-l));
    --accent-light: hsl(var(--seed-h), var(--seed-s), 55%);
    --accent-dark: hsl(var(--seed-h), var(--seed-s), 35%);
    
    /* Links */
    --link-color: hsl(var(--seed-h), var(--seed-s), 40%);
    --link-visited: hsl(calc(var(--seed-h) + 60), var(--seed-s), 40%);
    --link-hover: hsl(var(--seed-h), var(--seed-s), 30%);
    
    /* Functional colours */
    --color-error: hsl(0, 70%, 45%);
    --color-error-bg: hsl(0, 70%, 95%);
    --color-success: hsl(120, 50%, 35%);
    --color-success-bg: hsl(120, 50%, 95%);
    --color-warning: hsl(45, 80%, 40%);
    --color-warning-bg: hsl(45, 80%, 95%);
    
    /* Focus */
    --focus-color: hsl(var(--seed-h), 80%, 50%);
    
    /* Typography */
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: "SF Mono", Monaco, Inconsolata, "Fira Code", monospace;
    --font-size-base: 15px;
    --font-size-small: 13px;
    --font-size-large: 17px;
    --line-height: 1.5;
    
    /* Spacing scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-8: 3rem;
    
    /* Layout */
    --content-max-width: 70ch;
    --header-height: 3rem;
    --footer-height: 2.5rem;
    
    /* Borders */
    --radius-none: 0;
    --radius-sm: 0.125rem;
    --radius-md: 0.25rem;
    --radius-lg: 0.5rem;
    --radius-default: var(--radius-none);
    --border-width: 1px;
    --border-color: var(--bg-tertiary);
    
    /* Z-index scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

/* ==========================================================================
   DARK MODE - AUTOMATIC (OS PREFERENCE)
   ========================================================================== */

@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1A1A1A;
        --bg-secondary: #252525;
        --bg-tertiary: #303030;
        --text-primary: #EBEBEB;
        --text-secondary: #C7C7C7;
        --text-muted: #999999;
        
        --accent: hsl(var(--seed-h), var(--seed-s), 60%);
        --accent-light: hsl(var(--seed-h), var(--seed-s), 70%);
        --accent-dark: hsl(var(--seed-h), var(--seed-s), 50%);
        
        --link-color: hsl(var(--seed-h), var(--seed-s), 65%);
        --link-visited: hsl(calc(var(--seed-h) + 60), var(--seed-s), 65%);
        --link-hover: hsl(var(--seed-h), var(--seed-s), 75%);
        
        --color-error: hsl(0, 70%, 60%);
        --color-error-bg: hsl(0, 40%, 20%);
        --color-success: hsl(120, 50%, 50%);
        --color-success-bg: hsl(120, 30%, 20%);
        --color-warning: hsl(45, 80%, 55%);
        --color-warning-bg: hsl(45, 40%, 20%);
    }
}

/* ==========================================================================
   DARK MODE - MANUAL TOGGLE (TAKES PRECEDENCE)
   ========================================================================== */

[data-theme="dark"] {
    --bg-primary: #1A1A1A;
    --bg-secondary: #252525;
    --bg-tertiary: #303030;
    --text-primary: #EBEBEB;
    --text-secondary: #C7C7C7;
    --text-muted: #999999;
    
    --accent: hsl(var(--seed-h), var(--seed-s), 60%);
    --accent-light: hsl(var(--seed-h), var(--seed-s), 70%);
    --accent-dark: hsl(var(--seed-h), var(--seed-s), 50%);
    
    --link-color: hsl(var(--seed-h), var(--seed-s), 65%);
    --link-visited: hsl(calc(var(--seed-h) + 60), var(--seed-s), 65%);
    --link-hover: hsl(var(--seed-h), var(--seed-s), 75%);
    
    --color-error: hsl(0, 70%, 60%);
    --color-error-bg: hsl(0, 40%, 20%);
    --color-success: hsl(120, 50%, 50%);
    --color-success-bg: hsl(120, 30%, 20%);
    --color-warning: hsl(45, 80%, 55%);
    --color-warning-bg: hsl(45, 40%, 20%);
}

/* Force light mode even if OS prefers dark */
[data-theme="light"] {
    --bg-primary: #F5F5F5;
    --bg-secondary: #EBEBEB;
    --bg-tertiary: #E0E0E0;
    --text-primary: #1A1A1A;
    --text-secondary: #3D3D3D;
    --text-muted: #5C5C5C;
    
    --accent: hsl(var(--seed-h), var(--seed-s), var(--seed-l));
    --accent-light: hsl(var(--seed-h), var(--seed-s), 55%);
    --accent-dark: hsl(var(--seed-h), var(--seed-s), 35%);
    
    --link-color: hsl(var(--seed-h), var(--seed-s), 40%);
    --link-visited: hsl(calc(var(--seed-h) + 60), var(--seed-s), 40%);
    --link-hover: hsl(var(--seed-h), var(--seed-s), 30%);
    
    --color-error: hsl(0, 70%, 45%);
    --color-error-bg: hsl(0, 70%, 95%);
    --color-success: hsl(120, 50%, 35%);
    --color-success-bg: hsl(120, 50%, 95%);
    --color-warning: hsl(45, 80%, 40%);
    --color-warning-bg: hsl(45, 80%, 95%);
}

/* ==========================================================================
   BASE RESET
   ========================================================================== */

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

html {
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    height: 100%;
}

body {
    font-family: var(--font-stack);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

/* ==========================================================================
   LAYOUT OVERRIDES
   ========================================================================== */

.layout-static header,
.layout-static footer {
    position: static;
}

.layout-static main {
    margin-top: 0;
    margin-bottom: 0;
}

.layout-no-header header {
    display: none;
}

.layout-no-header main {
    margin-top: 0;
}

.layout-no-footer footer {
    display: none;
}

.layout-no-footer main {
    margin-bottom: 0;
}

/* ==========================================================================
   HEADER
   ========================================================================== */

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--bg-secondary);
    border-bottom: var(--border-width) solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-4);
    z-index: var(--z-fixed);
}

.site-title {
    font-weight: 600;
    font-size: var(--font-size-large);
    color: var(--text-primary);
    text-decoration: none;
}

.site-title:hover {
    color: var(--accent);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--footer-height);
    background-color: var(--bg-secondary);
    border-top: var(--border-width) solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-4);
    font-size: var(--font-size-small);
    color: var(--text-muted);
    z-index: var(--z-fixed);
}

footer a {
    color: var(--link-color);
    text-decoration: underline;
}

/* ==========================================================================
   MAIN CONTENT
   ========================================================================== */

main {
    flex: 1;
    margin-top: var(--header-height);
    margin-bottom: var(--footer-height);
    padding: var(--space-4);
}

.content {
    max-width: var(--content-max-width);
}

.content-wide {
    max-width: 100%;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

nav a,
nav button {
    padding: var(--space-2) var(--space-4);
    color: var(--text-primary);
    text-decoration: underline;
    background: none;
    border: none;
    font: inherit;
    cursor: pointer;
}

nav a:visited {
    color: var(--text-primary);
}

nav a:hover,
nav button:hover {
    background-color: var(--bg-tertiary);
}

nav a:focus,
nav button:focus {
    outline: 2px solid var(--focus-color);
    outline-offset: 2px;
}

/* Stacked navigation */
.nav-stacked {
    flex-direction: column;
    align-items: stretch;
}

.nav-row {
    display: flex;
    gap: var(--space-1);
}

.nav-secondary {
    font-size: var(--font-size-small);
}

/* Collapsible navigation (mobile hamburger) */
.nav-toggle {
    display: none;
    padding: var(--space-2) var(--space-4);
    background: none;
    border: none;
    font: inherit;
    cursor: pointer;
    color: var(--text-primary);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    padding: var(--space-2) var(--space-4);
    background: none;
    border: none;
    font: inherit;
    cursor: pointer;
    color: var(--text-primary);
    text-decoration: underline;
}

.nav-dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--bg-secondary);
    border: var(--border-width) solid var(--border-color);
    min-width: 12rem;
    z-index: var(--z-dropdown);
}

.nav-dropdown.open .nav-dropdown-content {
    display: block;
}

.nav-dropdown-content a,
.nav-dropdown-content button {
    display: block;
    width: 100%;
    text-align: left;
    padding: var(--space-2) var(--space-4);
    color: var(--text-primary);
    text-decoration: underline;
    background: none;
    border: none;
    font: inherit;
    cursor: pointer;
}

.nav-dropdown-content a:hover,
.nav-dropdown-content button:hover {
    background-color: var(--bg-tertiary);
}

/* Breadcrumbs */
.breadcrumbs {
    font-size: var(--font-size-small);
    color: var(--text-muted);
    padding: var(--space-2) 0;
    margin-bottom: var(--space-4);
}

.breadcrumbs a {
    color: var(--link-color);
    text-decoration: underline;
}

.breadcrumbs a:visited {
    color: var(--link-visited);
}

.breadcrumbs a:hover {
    color: var(--link-hover);
}

.breadcrumbs span {
    margin: 0 var(--space-2);
}

/* ==========================================================================
   SIDEBAR LAYOUT
   ========================================================================== */

.layout-sidebar {
    display: grid;
    grid-template-columns: minmax(200px, 250px) 1fr;
    grid-template-rows: auto 1fr auto;
}

.layout-sidebar header {
    grid-column: 1 / -1;
}

.layout-sidebar footer {
    grid-column: 1 / -1;
}

.sidebar {
    background-color: var(--bg-secondary);
    padding: var(--space-4);
    border-right: var(--border-width) solid var(--border-color);
    overflow-y: auto;
}

.sidebar nav {
    flex-direction: column;
    align-items: stretch;
}

.sidebar nav a {
    padding: var(--space-2);
}

/* ==========================================================================
   BOX SYSTEM
   ========================================================================== */

.box {
    background-color: var(--bg-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-default);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

.box-subtle {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
}

.box-prominent {
    background-color: var(--bg-tertiary);
    border-color: var(--text-muted);
}

.box-accent {
    background-color: var(--bg-secondary);
    border-color: var(--accent);
    border-left-width: 4px;
}

.box-outline {
    background-color: transparent;
    border: var(--border-width) solid var(--border-color);
}

.box-compact {
    padding: var(--space-2);
}

.box-spacious {
    padding: var(--space-5);
}

/* Box internal structure */
.box-header {
    font-weight: 600;
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: var(--border-width) solid var(--border-color);
}

.box-section {
    padding: var(--space-3) 0;
    border-bottom: var(--border-width) solid var(--border-color);
}

.box-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.box-footer {
    margin-top: var(--space-3);
    padding-top: var(--space-2);
    border-top: var(--border-width) solid var(--border-color);
    font-size: var(--font-size-small);
    color: var(--text-muted);
}

/* ==========================================================================
   ROW SYSTEM (GRID LAYOUT)
   ========================================================================== */

.row {
    display: grid;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.row-single {
    grid-template-columns: 1fr;
}

.row-halves {
    grid-template-columns: 1fr 1fr;
}

.row-left-wide {
    grid-template-columns: 2fr 1fr;
}

.row-right-wide {
    grid-template-columns: 1fr 2fr;
}

.row-thirds {
    grid-template-columns: 1fr 1fr 1fr;
}

.row-centre-wide {
    grid-template-columns: 1fr 2fr 1fr;
}

.row-quarters {
    grid-template-columns: 1fr 1fr 1fr 1fr;
}

/* Box positioning within rows */
.box-left {
    justify-self: start;
}

.box-centre {
    justify-self: center;
}

.box-right {
    justify-self: end;
}

.box-full {
    grid-column: 1 / -1;
}

/* ==========================================================================
   WIDTH CONSTRAINTS
   ========================================================================== */

.width-narrow {
    max-width: 40ch;
}

.width-medium {
    max-width: 60ch;
}

.width-wide {
    max-width: 80ch;
}

.width-half {
    max-width: 50%;
}

.width-third {
    max-width: 33.333%;
}

.width-quarter {
    max-width: 25%;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-2);
}

h1 {
    font-size: 1.5rem;
}

h2 {
    font-size: 1.25rem;
    margin-top: var(--space-5);
}

h3 {
    font-size: 1.1rem;
    margin-top: var(--space-4);
}

p {
    margin-bottom: var(--space-3);
}

/* Links */
a {
    color: var(--link-color);
    text-decoration: underline;
}

a:visited {
    color: var(--link-visited);
}

a:hover {
    color: var(--link-hover);
    text-decoration-thickness: 2px;
}

a:focus {
    outline: 2px solid var(--focus-color);
    outline-offset: 2px;
}

/* Lists */
ul, ol {
    margin-left: var(--space-5);
    margin-bottom: var(--space-3);
}

li {
    margin-bottom: var(--space-1);
}

/* Code */
code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background-color: var(--bg-secondary);
    padding: 0.1em 0.3em;
    border-radius: var(--radius-sm);
}

pre {
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    background-color: var(--bg-secondary);
    padding: var(--space-4);
    overflow-x: auto;
    margin-bottom: var(--space-4);
    border-radius: var(--radius-default);
}

pre code {
    background: none;
    padding: 0;
}

/* ==========================================================================
   FORMS
   ========================================================================== */

fieldset {
    border: var(--border-width) solid var(--border-color);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

legend {
    font-weight: 600;
    padding: 0 var(--space-2);
}

label {
    display: block;
    margin-bottom: var(--space-1);
    font-weight: 500;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="search"],
input[type="tel"],
input[type="url"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
select,
textarea {
    display: block;
    width: 100%;
    max-width: 30ch;
    padding: var(--space-2);
    font: inherit;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-default);
    margin-bottom: var(--space-4);
}

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

textarea {
    max-width: 100%;
    min-height: 8em;
    resize: vertical;
}

/* Buttons */
button,
.button,
input[type="submit"],
input[type="button"] {
    display: inline-block;
    padding: var(--space-2) var(--space-5);
    font: inherit;
    font-weight: 500;
    background-color: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius-default);
    cursor: pointer;
    text-decoration: none;
}

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

button:focus,
.button:focus,
input[type="submit"]:focus,
input[type="button"]:focus {
    outline: 2px solid var(--focus-color);
    outline-offset: 2px;
}

.button-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.button-secondary:hover {
    background-color: var(--bg-secondary);
}

/* ==========================================================================
   MESSAGES
   ========================================================================== */

.message {
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-4);
    border-left: 4px solid;
    border-radius: var(--radius-default);
}

.message-error {
    background-color: var(--color-error-bg);
    border-color: var(--color-error);
    color: var(--color-error);
}

.message-success {
    background-color: var(--color-success-bg);
    border-color: var(--color-success);
    color: var(--color-success);
}

.message-warning {
    background-color: var(--color-warning-bg);
    border-color: var(--color-warning);
    color: var(--color-warning);
}

/* ==========================================================================
   TABLES
   ========================================================================== */

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-4);
    font-size: var(--font-size-small);
}

th, td {
    text-align: left;
    padding: var(--space-2);
    border: var(--border-width) solid var(--border-color);
}

th {
    background-color: var(--bg-secondary);
    font-weight: 600;
}

caption {
    text-align: left;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

/* ==========================================================================
   COLLAPSIBLE SECTIONS
   ========================================================================== */

details {
    margin-bottom: var(--space-4);
}

summary {
    cursor: pointer;
    font-weight: 500;
    padding: var(--space-2);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-default);
}

summary:hover {
    background-color: var(--bg-tertiary);
}

summary:focus {
    outline: 2px solid var(--focus-color);
    outline-offset: 2px;
}

details[open] summary {
    margin-bottom: var(--space-2);
}

/* ==========================================================================
   SKIP LINK
   ========================================================================== */

.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    padding: var(--space-2) var(--space-4);
    background-color: var(--accent);
    color: var(--bg-primary);
    text-decoration: underline;
    z-index: var(--z-tooltip);
}

.skip-link:focus {
    top: 0;
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.hidden {
    display: none;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.text-muted {
    color: var(--text-muted);
}

.text-small {
    font-size: var(--font-size-small);
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-4); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-4); }

/* ==========================================================================
   RTL SUPPORT
   ========================================================================== */

[dir="rtl"] .box-accent {
    border-left-width: var(--border-width);
    border-right-width: 4px;
}

[dir="rtl"] .message {
    border-left-width: var(--border-width);
    border-right-width: 4px;
}

/* ==========================================================================
   HIGH CONTRAST MODE
   ========================================================================== */

@media (forced-colors: active) {
    .box {
        border: 1px solid CanvasText;
    }
    
    :focus {
        outline: 2px solid Highlight;
    }
    
    button, .button {
        border: 1px solid ButtonText;
    }
}

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==========================================================================
   RESPONSIVE - TABLET (601px - 899px)
   ========================================================================== */

@media (max-width: 899px) and (min-width: 601px) {
    .row-quarters {
        grid-template-columns: 1fr 1fr;
    }
    
    .row-thirds {
        grid-template-columns: 1fr 1fr;
    }
    
    .row-thirds > *:last-child {
        grid-column: 1 / -1;
    }
}

/* ==========================================================================
   RESPONSIVE - MOBILE (600px and below)
   ========================================================================== */

@media (max-width: 600px) {
    :root {
        --header-height: auto;
        --footer-height: auto;
        --font-size-base: 16px;
    }
    
    body {
        overflow-x: hidden;
    }
    
    /* Header: static on mobile */
    header {
        position: static;
        height: auto;
        flex-wrap: wrap;
        padding: var(--space-3) var(--space-4);
        gap: var(--space-2);
    }
    
    /* Main: no margins when header/footer static */
    main {
        margin-top: 0;
        margin-bottom: 0;
        padding: var(--space-4);
    }
    
    /* Footer: static on mobile */
    footer {
        position: static;
        height: auto;
        flex-wrap: wrap;
        padding: var(--space-3) var(--space-4);
        gap: var(--space-2);
    }
    
    /* Navigation: wrap and touch targets */
    nav {
        flex-wrap: wrap;
        width: 100%;
        justify-content: flex-start;
        gap: var(--space-1);
    }
    
    nav a,
    nav button,
    .nav-dropdown-trigger {
        min-height: 44px;
        min-width: 44px;
        padding: var(--space-3) var(--space-4);
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Collapsible nav toggle visible on mobile */
    .nav-toggle {
        display: block;
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-collapsible {
        display: none;
        width: 100%;
    }
    
    .nav-collapsible.nav-open {
        display: flex;
        flex-direction: column;
    }
    
    /* Dropdown: full width on mobile */
    .nav-dropdown {
        position: static;
    }
    
    .nav-dropdown-content {
        position: static;
        width: 100%;
        border: none;
        border-top: var(--border-width) solid var(--border-color);
        margin-top: var(--space-2);
    }
    
    .nav-dropdown-content a,
    .nav-dropdown-content button {
        min-height: 44px;
        padding: var(--space-3) var(--space-4);
    }
    
    /* Collapse all multi-column rows */
    .row-halves,
    .row-left-wide,
    .row-right-wide,
    .row-thirds,
    .row-centre-wide,
    .row-quarters {
        grid-template-columns: 1fr;
    }
    
    /* Width constraints release on mobile */
    .width-narrow,
    .width-medium,
    .width-wide,
    .width-half,
    .width-third,
    .width-quarter {
        max-width: 100%;
    }
    
    /* Forms: full width with touch targets */
    input[type="text"],
    input[type="password"],
    input[type="email"],
    input[type="search"],
    input[type="tel"],
    input[type="url"],
    input[type="number"],
    input[type="date"],
    input[type="time"],
    input[type="datetime-local"],
    select,
    textarea {
        max-width: 100%;
        width: 100%;
        min-height: 44px;
        padding: var(--space-3);
        font-size: 16px;
    }
    
    /* Buttons: touch targets */
    button,
    .button,
    input[type="submit"],
    input[type="button"] {
        min-height: 44px;
        min-width: 44px;
        padding: var(--space-3) var(--space-5);
    }
    
    /* Tables: horizontal scroll */
    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Boxes: reduced padding */
    .box {
        padding: var(--space-3);
    }
    
    .box-spacious {
        padding: var(--space-4);
    }
    
    /* Sidebar layout: stack on mobile */
    .layout-sidebar {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        border-right: none;
        border-bottom: var(--border-width) solid var(--border-color);
    }
}

/* ==========================================================================
   RESPONSIVE - VERY SMALL MOBILE (360px and below)
   ========================================================================== */

@media (max-width: 360px) {
    main {
        padding: var(--space-3);
    }
    
    .box {
        padding: var(--space-2);
    }
    
    nav a,
    nav button {
        padding: var(--space-2) var(--space-3);
        font-size: var(--font-size-small);
    }
}

/* ==========================================================================
   TOUCH DEVICE DETECTION
   ========================================================================== */

@media (hover: none) {
    nav a:hover,
    nav button:hover,
    summary:hover {
        background-color: transparent;
    }
    
    nav a:active,
    nav button:active,
    button:active,
    .button:active {
        background-color: var(--bg-tertiary);
    }
    
    button[type="submit"]:active,
    .button:active:not(.button-secondary) {
        background-color: var(--accent-dark);
    }
}

/* ==========================================================================
   PRINT STYLESHEET
   ========================================================================== */

@media print {
    /* Hide non-content elements */
    header,
    footer,
    nav,
    .skip-link,
    .nav-toggle {
        display: none !important;
    }
    
    /* Reset layout */
    main {
        margin: 0;
        padding: 0;
    }
    
    body {
        background: white;
        color: black;
        font-size: 12pt;
    }
    
    /* Expand collapsed content */
    details[open] summary,
    details summary {
        display: block;
    }
    
    details > *:not(summary) {
        display: block !important;
    }
    
    /* Links: show URL */
    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
    
    /* Boxes: visible borders without colour */
    .box {
        background: white;
        border: 1px solid #333;
    }
    
    /* Page breaks */
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    table, figure, .box {
        page-break-inside: avoid;
    }
    
    p {
        orphans: 3;
        widows: 3;
    }
}