/* ===== Base Layout ===== */

html {
    font-size: 22px;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    background-color: #f5f7fa;
    color: #2e3033;
    font-size: 0.5rem;

    /* Sticky Footer Layout */
    display: flex;
    flex-direction: column;
}

/* ===== Shared Container (61rem Content Width) ===== */

.container {
    max-width: 61rem;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* ===== Header ===== */

.md-header {
    box-shadow: 0 0 .2rem #0000,0 .2rem .4rem #0000;
    display: block;
    left: 0;
    position: sticky;
    right: 0;
    top: 0;
    z-index: 4;
    background-color: #2094f3;
    color: #ffffff;
    width: 100%;
}

.md-header--shadow {
    box-shadow: 0 0 .2rem #0000001a,0 .2rem .4rem #0003;
    transition: transform .25s cubic-bezier(.1,.7,.1,1),box-shadow .25s;
}

.md-header__inner {
    align-items: center;
    display: flex;
    padding: 0 .2rem;
}

.md-grid {
    margin-left: auto;
    margin-right: auto;
    max-width: 61rem;
}

.md-header__button {
    color: currentcolor;
    cursor: pointer;
    margin: .2rem;
    outline-color: var(--md-accent-fg-color);
    padding: .4rem;
    position: relative;
    transition: opacity .25s;
    vertical-align: middle;
    z-index: 1;
}

.md-header__button:not(.focus-visible) {
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

.md-header__button:not([hidden]) {
    display: inline-block;
}

.md-header__button.md-logo {
    margin: .2rem;
    padding: .4rem;
}

.md-header__button.md-logo img, 
.md-header__button.md-logo svg {
    fill: currentcolor;
    display: block;
    height: 1.2rem;
    width: auto;
}

.md-header__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-left: 1rem;
    margin-right: .4rem;
}

/* ===== Main Content ===== */

.md-main {
    flex: 1;
    padding: 2rem 0;
}

.md-main h1 {
    font-family: "Roboto", -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;
    font-weight: 200;
    font-size: 1.5rem;
    color: rgba(0, 0, 0, 0.54);
}

.md-intro {
    color: #5f6368;
    margin-bottom: 1.5rem;
    font-size: 0.6rem;
}

.md-intro a {
    color: inherit;
}

/* ===== Module Grid ===== */

.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
    gap: 1.5rem;
}

@media (max-width: 420px) {
    .module-grid {
        grid-template-columns: 1fr;
    }
}

.module-card {
    background: #ffffff;
    border-radius: 6px;
    padding: 1.0rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.module-title {
    margin-top: 0;
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.module-meta {
    font-size: 0.6rem;
    color: #5f6368;
    margin-bottom: 0.6rem;
}

.module-meta div {
    margin-bottom: 0.3rem;
}

.module-actions {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    border-radius: 4px;
}

/* ===== Buttons ===== */

.module-actions .md-button {
    display: inline-flex;
    white-space: nowrap;
    flex: 1;
    justify-content: center;
}

.md-button {
    display: inline-block;
    padding: 0.5rem 0.3rem;
    font-size: 0.7rem;
    border-radius: 0;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.2s ease;
    margin-bottom: 1px;
}

.module-actions .md-button + .md-button {
  margin-left: 1px;
}

.module-actions .md-button:first-child {
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}

.module-actions .md-button:last-child {
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
}

@media (max-width: 352px) {
    .module-actions .md-button {
        border-radius: 4px;
    }
}

.md-button--primary {
    background-color: #2094f3;
    color: #ffffff;
}

.md-button--primary:hover {
    background-color: #1976d2;
}

.md-button--secondary {
    background-color: #e0e3e7;
    color: #2e3033;
}

.md-button--secondary:hover {
    background-color: #c9ced6;
}

/* ===== Summary Block ===== */

.module-summary {
    background: #ffffff;
    border-radius: 6px;
    padding: 1rem 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    margin-bottom: 2rem;

    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.module-summary__meta {
    font-size: 0.65rem;
    color: #5f6368;
}

.module-summary__meta div {
    margin-bottom: 0.3rem;
}

.module-summary__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.module-summary__actions .md-button {
    border-radius: 0;
    text-align: center;
}

.module-summary__actions .md-button:first-child {
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}

.module-summary__actions .md-button:last-child {
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
}

.module-summary__actions .md-button + .md-button {
    margin-left: 1px; /* feiner Trenner */
}

/* ===== Version List ===== */

.version-list h2 {
    font-size: 0.8rem;
    margin-bottom: 0.8rem;
}

.version-list__items {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, 3.5rem);
    gap: 0.5rem 1rem;
    justify-content: start;
}

.version-pill {
    display: flex;
    justify-content: center;
    align-items: center;

    width: 100%;
    box-sizing: border-box;

    padding: 0.4rem 0.6rem;
    font-size: 0.65rem;

    background: #ffffff;
    border-radius: 4px;
    text-decoration: none;
    color: #2e3033;

    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.version-pill:hover {
    background: #e3f2fd;
}

.version-list__link {
    text-decoration: none;
    color: #2094f3;
    font-weight: 500;
}

.version-list__link:hover {
    text-decoration: underline;
}

/* ===== Footer (Sticky) ===== */

.md-footer {
    background-color: #000000;
    color: #ffffff;
    padding: 1rem 0;
}

.md-footer .container,
.md-footer .container a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.6rem;
}