/* ===========================
   CSS Custom Properties
   =========================== */
:root {
    /* Fonts */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: 'Courier New', monospace;

    /* Colors – brand */
    --color-primary:        #667eea;
    --color-primary-dark:   #5568d3;
    --color-blue:           #3498db;
    --color-blue-dark:      #2980b9;

    /* Colors – text */
    --color-heading:        #2c3e50;
    --color-subheading:     #34495e;
    --color-body:           #333;
    --color-muted:          #7f8c8d;
    --color-subtle:         #666;
    --color-link-strong:    #0066cc;

    /* Colors – UI */
    --color-white:          #fff;
    --color-bg:             #f5f5f5;
    --color-bg-first:       #667eea;
    --color-bg-second:      #764ba2;
    --color-surface:        #f8f9fa;
    --color-border:         #dee2e6;
    --color-border-light:   #ecf0f1;
    --color-border-infobox: #b3d9ff;

    /* Colors – code */
    --color-code-bg:        #f4f4f4;
    --color-code-text:      #d63384;
    --color-pre-bg:         #2d2d2d;
    --color-pre-text:       #f8f8f2;

    /* Colors – info boxes */
    --color-infobox-bg:     #e7f3ff;
    --color-important-bg:   #fff3cd;
    --color-success-bg:     #d4edda;

    /* Colors – badges */
    --color-badge-necessary:    #28a745;
    --color-badge-analytics:    #17a2b8;
    --color-badge-marketing:    #ffc107;
    --color-badge-marketing-fg: #333;
    --color-badge-preferences:  #6c757d;

    /* Colors – secondary button */
    --color-btn-secondary:      #6c757d;
    --color-btn-secondary-dark: #5a6268;

    /* Colors – accent borders */
    --color-accent-important:   #ffc107;
    --color-accent-success:     #28a745;

    /* Border widths */
    --border-thin:   1px;
    --border-medium: 2px;
    --border-thick:  3px;
    --border-accent: 4px;

    /* Border radii */
    --radius-sm:  3px;
    --radius-md:  6px;
    --radius-lg:  8px;
    --radius-xl:  12px;

    /* Shadows */
    --shadow-sm:        0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md:        0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg:        0 20px 60px rgba(0, 0, 0, 0.3);
    --shadow-btn-hover: 0 4px 12px rgba(102, 126, 234, 0.4);
}

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

html {
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    line-height: 1.8;
    color: var(--color-body);
    background: linear-gradient(135deg, var(--color-bg-first) 0%, var(--color-bg-second) 100%);
    padding: 20px;
}

/* ===========================
   Typography
   =========================== */
h1 {
    color: var(--color-primary);
    font-size: 2.5em;
    margin-bottom: 10px;
    padding-bottom: 15px;
    border-bottom: var(--border-thick) solid var(--color-blue);
}

h2 {
    color: var(--color-primary);
    font-size: 1.5em;
    margin-top: 30px;
    margin-bottom: 15px;
}

h3 {
    color: var(--color-subheading);
    font-size: 1.2em;
    margin-top: 20px;
    margin-bottom: 10px;
}

p {
    margin-bottom: 15px;
    text-align: justify;
}

ul, ol {
    margin: 15px 0;
    padding-left: 30px;
}

li { margin-bottom: 8px; }

a {
    color: var(--color-primary);
    text-decoration: none;
    background-color: transparent;
}

a:hover { text-decoration: underline; }

b, strong {
    font-weight: bolder;
    color: var(--color-heading);
}

small { font-size: 80%; }

sub, sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}
sub { bottom: -0.25em; }
sup { top: -0.5em; }

img { border-style: none; }

abbr[title] {
    border-bottom: none;
    text-decoration: underline dotted;
}

/* ===========================
   Code / Pre
   =========================== */
code, kbd, samp {
    font-family: var(--font-mono);
    font-size: 1em;
    background: var(--color-code-bg);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    color: var(--color-code-text);
}

pre {
    font-family: var(--font-mono);
    font-size: 1em;
    background: var(--color-pre-bg);
    color: var(--color-pre-text);
    padding: 20px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 15px 0;
}

pre code {
    background: none;
    padding: 0;
    color: inherit;
    border-radius: 0;
}

/* ===========================
   Forms
   =========================== */
button, input, optgroup, select, textarea {
    font-family: inherit;
    font-size: 100%;
    line-height: 1.15;
    margin: 0;
}

button, input { overflow: visible; }
button, select { text-transform: none; }

button,
[type="button"],
[type="reset"],
[type="submit"] {
    -webkit-appearance: button;
}

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
    border-style: none;
    padding: 0;
}

button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
    outline: var(--border-thin) dotted ButtonText;
}

fieldset { padding: 0.35em 0.75em 0.625em; }

legend {
    box-sizing: border-box;
    color: inherit;
    display: table;
    max-width: 100%;
    padding: 0;
    white-space: normal;
}

progress { vertical-align: baseline; }
textarea { overflow: auto; }

[type="checkbox"],
[type="radio"] {
    box-sizing: border-box;
    padding: 0;
}

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button { height: auto; }

[type="search"] {
    -webkit-appearance: textfield;
    outline-offset: -2px;
}

[type="search"]::-webkit-search-decoration { -webkit-appearance: none; }
::-webkit-file-upload-button { -webkit-appearance: button; font: inherit; }

/* ===========================
   Layout
   =========================== */
details { display: block; }
summary { display: list-item; }
template, [hidden] { display: none; }
main { display: block; }

hr {
    box-sizing: content-box;
    height: 0;
    overflow: visible;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

/* ===========================
   Header & Footer
   =========================== */
header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: var(--border-medium) solid var(--color-primary);
}

.subtitle {
    color: var(--color-subtle);
    font-size: 1.1em;
}

.last-updated {
    color: var(--color-muted);
    font-size: 0.9em;
    margin-bottom: 30px;
}

footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: var(--border-thin) solid var(--color-border);
    text-align: center;
    color: var(--color-subtle);
    font-size: 0.9em;
}

.links { margin: 20px 0; }

.links a {
    color: var(--color-primary);
    margin: 0 10px;
}

/* ===========================
   Buttons
   =========================== */
.button {
    display: inline-block;
    padding: 12px 24px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1em;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    margin: 5px;
}

.button:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-btn-hover);
    text-decoration: none;
}

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

.manage-btn {
    display: inline-block;
    background: var(--color-blue);
    color: var(--color-white);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    text-decoration: none;
    margin: 20px 0;
    transition: background 0.3s;
}

.manage-btn:hover {
    background: var(--color-blue-dark);
    text-decoration: none;
}

/* ===========================
   Info Boxes
   =========================== */
.info-box {
    background: var(--color-infobox-bg);
    border: var(--border-thin) solid var(--color-border-infobox);
    border-left: var(--border-accent) solid var(--color-blue);
    padding: 15px;
    border-radius: var(--radius-md);
    margin: 15px 0;
}

.info-box strong { color: var(--color-link-strong); }

.important {
    background: var(--color-important-bg);
    border-left-color: var(--color-accent-important);
}

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

/* ===========================
   Demo Section
   =========================== */
.demo-section {
    margin: 30px 0;
    padding: 20px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border-left: var(--border-accent) solid var(--color-primary);
}

/* ===========================
   Cookie Table
   =========================== */
.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.cookie-table th {
    background: var(--color-blue);
    color: var(--color-white);
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

.cookie-table td {
    padding: 12px;
    border-bottom: var(--border-thin) solid var(--color-border-light);
}

.cookie-table tr:last-child td { border-bottom: none; }
.cookie-table tr:nth-child(even) { background: var(--color-surface); }

/* ===========================
   Badges
   =========================== */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.85em;
    font-weight: 600;
}

.badge-necessary   { background: var(--color-badge-necessary);   color: var(--color-white); }
.badge-analytics   { background: var(--color-badge-analytics);   color: var(--color-white); }
.badge-marketing   { background: var(--color-badge-marketing);   color: var(--color-badge-marketing-fg); }
.badge-preferences { background: var(--color-badge-preferences); color: var(--color-white); }