/* Material Design 3 – vereinfachte Token-Spiegelung + Layout-Komponenten */

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

.md3-root {
    font-family: "Roboto Flex", "Roboto", system-ui, sans-serif;

    color-scheme: light;

    /* Basispalette "Tonal Spot" angelehnt an M3-Baseline (ohne dynamische Seeds) */
    --md-sys-color-primary: var(--md-sys-color-tonal-light-primary);
    --md-sys-color-on-primary: var(--md-sys-color-tonal-light-on-primary);
    --md-sys-color-primary-container: var(--md-sys-color-tonal-light-primary-container);
    --md-sys-color-on-primary-container: var(--md-sys-color-tonal-light-on-primary-container);

    --md-sys-color-secondary: var(--md-sys-color-tonal-light-secondary);
    --md-sys-color-on-secondary: var(--md-sys-color-tonal-light-on-secondary);
    --md-sys-color-secondary-container: var(--md-sys-color-tonal-light-secondary-container);
    --md-sys-color-on-secondary-container: var(--md-sys-color-tonal-light-on-secondary-container);

    --md-sys-color-surface: var(--md-sys-color-tonal-light-surface);
    --md-sys-color-surface-variant: var(--md-sys-color-tonal-light-surface-variant);
    --md-sys-color-on-surface: var(--md-sys-color-tonal-light-on-surface);
    --md-sys-color-on-surface-variant: var(--md-sys-color-tonal-light-on-surface-variant);

    --md-sys-color-outline: var(--md-sys-color-tonal-light-outline);
    --md-sys-color-outline-variant: var(--md-sys-color-tonal-light-outline-variant);

    --md-sys-color-inverse-surface: var(--md-sys-color-tonal-light-inverse-surface);

    --md-sys-elevation-border: rgb(121 116 126 / 0.12);

    color: var(--md-sys-color-on-surface);
}

.md3-scheme-tonal-spot-light {
    --md-sys-color-tonal-light-primary: #006a6c;
    --md-sys-color-tonal-light-on-primary: #ffffff;
    --md-sys-color-tonal-light-primary-container: #6ff7f9;
    --md-sys-color-tonal-light-on-primary-container: #002021;

    --md-sys-color-tonal-light-secondary: #4b6263;
    --md-sys-color-tonal-light-on-secondary: #ffffff;
    --md-sys-color-tonal-light-secondary-container: #cde7e8;
    --md-sys-color-tonal-light-on-secondary-container: #051f20;

    --md-sys-color-tonal-light-surface: #fafdfc;
    --md-sys-color-tonal-light-surface-variant: #dae8ea;
    --md-sys-color-tonal-light-on-surface: #171c1d;
    --md-sys-color-tonal-light-on-surface-variant: #40484a;
    --md-sys-color-tonal-light-outline: #71787a;
    --md-sys-color-tonal-light-outline-variant: #bec9ca;

    --md-sys-color-tonal-light-inverse-surface: #2b3233;
}

.md3-material-symbols-rounded {
    font-family: "Material Symbols Rounded";
    font-weight: 400;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    display: inline-flex;
}

.md3-body {
    margin: 0;
    min-height: 100vh;
    background-color: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
}

.md3-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, var(--md-sys-color-primary-container) 0%, var(--md-sys-color-surface) 26%);
}

.md3-top-bar {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.25rem;
    padding: 1rem clamp(1.25rem, 3vw, 2.5rem);
    border-bottom: 1px solid var(--md-sys-elevation-border);
    backdrop-filter: blur(20px);
    background: rgb(250 253 252 / 0.8);
}

.md3-shape-sm {
    border-radius: 0.625rem;
}

.md3-shape-md {
    border-radius: 1rem;
}

.md3-shape-lg {
    border-radius: 1.5rem;
}

.md3-shape-xl {
    border-radius: 1.875rem;
}

.md3-headline-medium,
.md3-display-small,
.md3-title-large,
.md3-title-medium,
.md3-body-large,
.md3-body-medium,
.md3-body-small {
    margin: 0;
}

.md3-display-small {
    font-size: 2rem;
    line-height: 2.375rem;
    font-weight: 600;
}

.md3-headline-medium {
    font-size: 1.75rem;
    line-height: 2.25rem;
    font-weight: 600;
}

.md3-title-large {
    font-size: 1.375rem;
    line-height: 1.75rem;
    font-weight: 550;
}

.md3-title-medium {
    font-size: 1rem;
    line-height: 1.5rem;
    font-weight: 600;
}

.md3-body-large {
    font-size: 1rem;
    line-height: 1.5rem;
    font-weight: 400;
}

.md3-body-medium {
    font-size: 0.875rem;
    line-height: 1.375rem;
    font-weight: 400;
}

.md3-body-small {
    font-size: 0.8125rem;
    line-height: 1.25rem;
}

.md3-label-medium {
    letter-spacing: 0.035em;
    font-size: 0.75rem;
    line-height: 1rem;
    font-weight: 500;
}

.md3-label-small {
    letter-spacing: 0.05em;
    font-size: 0.688rem;
}

.md3-tone-on-surface-variant {
    color: var(--md-sys-color-on-surface-variant);
}

.md3-tone-primary {
    color: var(--md-sys-color-primary);
}

.md3-chip {
    padding: 0.35rem 0.875rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--md-sys-color-secondary-container), transparent);
    border: 1px solid var(--md-sys-elevation-border);
}

.md3-top-bar__trail {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
}

.md3-top-bar__user {
    max-width: min(200px, 28vw);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.md3-top-bar__leading {
    inline-size: 3.125rem;
    block-size: 3.125rem;
    border-radius: 1.375rem;
    display: grid;
    place-items: center;
    background: var(--md-sys-color-primary);
    box-shadow:
        0 1px 2px rgb(36 72 71 / 0.18),
        0 12px 32px rgb(34 117 117 / 0.18);
}

.md3-top-bar__mark {
    color: var(--md-sys-color-on-primary);
}

.md3-brand {
    color: color-mix(in srgb, var(--md-sys-color-on-surface) 92%, var(--md-sys-color-primary));
}

.md3-top-bar__subtitle {
    margin-block-start: 0.125rem;
}

.md3-heading-icon {
    display: inline-grid;
    place-items: center;
    padding: 1rem;
    margin-block-end: 1.25rem;
    background-color: color-mix(in srgb, var(--md-sys-color-primary-container) 70%, white);
    color: var(--md-sys-color-on-primary-container);
}

.md3-app-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: clamp(1rem, 2vw, 1.75rem);
    inline-size: min(1200px, 92vw);
    margin-inline: auto;
    flex: 1;
    padding: clamp(1rem, 2vw, 2rem);
    padding-block-end: 8rem;
}

.md3-navigation-rail {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 0.75rem;
    background-color: rgb(255 255 255 / 0.94);
    border: 1px solid var(--md-sys-elevation-border);
}

.md3-navigation-bar {
    display: none;
    position: sticky;
    bottom: 1rem;
    margin-inline: auto;
    inset-inline-start: auto;
    margin-block-end: 1rem;
    padding: 0.5rem 1rem;
    gap: 0.5rem;
    background-color: rgb(255 255 255 / 0.96);
    border: 1px solid var(--md-sys-elevation-border);
    box-shadow:
        0 6px 20px rgb(25 73 71 / 0.12),
        0 1px 2px rgb(25 73 71 / 0.2);
}

.md3-navigation-bar::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}

.md3-nav-bar-target,
.md3-rail-target {
    text-decoration: none;
    color: inherit;
    border-radius: 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    padding: 0.75rem 0.5rem;
    border: 1px solid transparent;
    transition: background-color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.md3-rail-target {
    inline-size: 5.5rem;
}

.md3-rail-target .md3-material-symbols-rounded {
    padding: 0.35rem;
    border-radius: 999px;
    background-color: color-mix(in srgb, var(--md-sys-color-surface-variant) 60%, white);
}

.md3-nav-bar-target {
    inline-size: 5rem;
}

.md3-rail-target:not(.md3-rail-target--disabled):focus-visible {
    outline: 2px solid var(--md-sys-color-primary);
    outline-offset: 4px;
}

.md3-nav-bar-target:focus-visible {
    outline: 2px solid var(--md-sys-color-primary);
    outline-offset: 4px;
}

.md3-rail-target--disabled,
.md3-nav-bar-target--disabled {
    cursor: not-allowed;
    color: color-mix(in srgb, var(--md-sys-color-on-surface-variant) 50%, transparent);
}

.md3-rail-target:not(.md3-rail-target--disabled):hover,
.md3-nav-bar-target:not(.md3-nav-bar-target--disabled):hover {
    background-color: color-mix(in srgb, var(--md-sys-color-primary-container) 45%, transparent);
    border-color: var(--md-sys-elevation-border);
    transform: translateY(-2px);
}

.md3-nav-bar-target--disabled {
    display: grid;
}

.md3-rail-target--active,
.md3-nav-bar-target--active {
    border-color: var(--md-sys-elevation-border);
    background: linear-gradient(
        180deg,
        color-mix(in srgb, var(--md-sys-color-primary-container), white 85%),
        color-mix(in srgb, var(--md-sys-color-primary-container), transparent 30%)
    );
}

.md3-rail-target--active .md3-material-symbols-rounded,
.md3-nav-bar-target--active .md3-material-symbols-rounded {
    background-color: color-mix(in srgb, var(--md-sys-color-primary) 82%, transparent);
    color: var(--md-sys-color-on-primary);
}

.md3-nav-bar-label {
    font-size: 0.688rem;
    text-align: center;
    letter-spacing: 0.035em;
    font-weight: 500;
}

.md3-content {
    align-self: start;
}

.md3-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-block-end: 0.75rem;
    color: var(--md-sys-color-on-surface-variant);
}

.md3-breadcrumbs .md3-breadcrumbs__icon {
    inline-size: 1.875rem;
    block-size: 1.875rem;
    justify-content: center;
    align-items: center;
    border-radius: 999px;
    background-color: color-mix(in srgb, var(--md-sys-color-surface-variant) 45%, transparent);
}

.md3-hero {
    display: grid;
    gap: clamp(1.75rem, 3vw, 2.75rem);
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    margin-block-end: clamp(2rem, 4vw, 3rem);
    align-items: start;
}

.md3-hero__text {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.md3-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-block-start: 1rem;
}

.md3-emphasis {
    color: color-mix(in srgb, var(--md-sys-color-primary) 80%, var(--md-sys-color-on-surface-variant));
}

.md3-card {
    background-color: rgb(255 255 255 / 0.95);
    padding: clamp(1.125rem, 2vw, 1.625rem);
    border-radius: clamp(24px, 4vw, 32px);
    border: 1px solid rgb(118 148 146 / 0.15);
}

.md3-card--elevated {
    box-shadow:
        0 8px 32px rgb(3 105 109 / 0.12),
        0 1px 2px rgb(1 105 116 / 0.15);
}

.md3-card__icon {
    font-size: clamp(42px, 6vw, 56px);
    margin-block-end: 0.75rem;
}

.md3-feature-grid {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.md3-feature {
    border-radius: 1.875rem;
    display: grid;
    gap: 0.75rem;
}

.md3-feature__icon {
    font-size: 32px;
    color: color-mix(in srgb, var(--md-sys-color-primary) 92%, transparent);
}

.md3-button {
    appearance: none;
    font: inherit;
    border-radius: 999px;
    padding: 0.65rem 1.5rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    border: none;
    cursor: pointer;
    transition: transform 140ms ease, box-shadow 140ms ease;
    text-decoration: none;
}

.md3-button--filled {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    box-shadow:
        0 2px 4px rgb(1 117 117 / 0.35),
        0 14px 32px rgb(1 138 146 / 0.25);
}

.md3-button--outline {
    background-color: rgb(250 253 252 / 0.9);
    color: color-mix(in srgb, var(--md-sys-color-on-surface) 88%, transparent);
    border: 1px solid var(--md-sys-outline-variant);
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.8);
}

.md3-button:is(:focus-visible, :hover) {
    transform: translateY(-1px);
}

.md3-button:active {
    transform: translateY(0);
}

.md3-footer {
    margin-block-start: clamp(2.75rem, 5vw, 4rem);
    padding: clamp(1.125rem, 2vw, 1.625rem);
    background-color: rgb(237 246 246 / 0.9);
    border: 1px solid var(--md-sys-elevation-border);
    display: grid;
    gap: 0.35rem;
}

.md3-footer__link {
    color: var(--md-sys-color-primary);
    text-decoration: none;
    font-weight: 600;
}

.md3-footer__link:hover {
    text-decoration: underline;
}

@media (max-width: 960px) {
    .md3-app-grid {
        grid-template-columns: 1fr;
    }

    .md3-navigation-rail {
        display: none;
    }

    .md3-navigation-bar {
        display: flex;
        overflow-x: auto;
        scrollbar-width: none;
    }
}