/*
 * Password Generator Utility – styles based on the mehrwert website (www.mehrwert.de):
 * IBM Plex Sans, black/white with a green accent, square corners, bold outlined buttons.
 */

@font-face {
    font-family: "IBM Plex Sans";
    src: url("../Fonts/IBM-Plex/woff2/IBM%20Plex%20Sans%20Var-Roman.woff2") format("woff2"),
         url("../Fonts/IBM-Plex/woff/IBM%20Plex%20Sans%20Var-Roman.woff") format("woff");
    font-weight: 100 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "IBM Plex Sans";
    src: url("../Fonts/IBM-Plex/woff2/IBM%20Plex%20Sans%20Var-Italic.woff2") format("woff2"),
         url("../Fonts/IBM-Plex/woff/IBM%20Plex%20Sans%20Var-Italic.woff") format("woff");
    font-weight: 100 700;
    font-style: italic;
    font-display: swap;
}

:root {
    --color-dark: #141414;
    --color-light: #ffffff;
    --color-accent: #32f082;
    --color-error: #c8102e;

    --color-text: #000000;
    --color-bg: #ffffff;
    --color-muted: #ebebeb;
    --color-border: #141414;
    --color-input-bg: #ffffff;

    --font: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

    --space: clamp(1rem, 0.6rem + 1.5vw, 1.5rem);
    --width-narrow: 50rem;
    --width-wide: 65rem;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-text: #f5f5f5;
        --color-bg: #141414;
        --color-muted: #262626;
        --color-border: #f5f5f5;
        --color-input-bg: #1e1e1e;
        --color-error: #ff6b7f;
    }
}

/* Base */

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

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

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font);
    font-size: clamp(1.0625rem, 0.95rem + 0.45vw, 1.375rem);
    line-height: 1.4;
}

h1,
h2 {
    margin: 0 0 0.6em;
    line-height: 1.2;
    text-wrap: balance;
}

h1 {
    font-size: clamp(2.25rem, 1.5rem + 3vw, 3.75rem);
    font-weight: 400;
    margin-top: 0;
}

h2 {
    font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.25rem);
    font-weight: 600;
    margin-top: 2em;
}

p,
ol,
ul {
    margin: 0 0 1em;
}

a {
    color: inherit;
    text-decoration-thickness: 2px;
    text-underline-offset: 0.2em;
}

a:hover {
    text-decoration-color: var(--color-accent);
}

:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
}

strong {
    font-weight: 600;
}

.container {
    width: 100%;
    max-width: var(--width-wide);
    margin-inline: auto;
    padding-inline: var(--space);
}

.container--narrow {
    max-width: var(--width-narrow);
}

.skip-link {
    position: absolute;
    left: var(--space);
    top: -10rem;
    z-index: 10;
    padding: 0.5rem 1rem;
    background: var(--color-accent);
    color: var(--color-dark);
    font-weight: 600;
}

.skip-link:focus {
    top: var(--space);
}

/* Header & footer (always dark, as on www.mehrwert.de) */

.site-header,
.site-footer {
    background: var(--color-dark);
    color: var(--color-light);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space);
    min-height: 5rem;
}

.site-header__logo {
    display: block;
    line-height: 0;
}

.site-header__logo img {
    width: clamp(7.5rem, 6rem + 5vw, 10rem);
    height: auto;
}

.site-header__tool {
    font-size: 0.875em;
    font-weight: 600;
}

@media (prefers-color-scheme: dark) {
    .site-header {
        border-bottom: 1px solid #333;
    }
}

.site-main {
    flex: 1;
    padding-block: calc(var(--space) * 3) calc(var(--space) * 4);
}

.site-footer {
    font-size: 0.8125em;
    border-top: 4px solid var(--color-light);
}

.site-footer__inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space);
    padding-block: calc(var(--space) * 2);
}

.site-footer__address {
    font-style: normal;
}

.site-footer__nav {
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-footer__nav li + li {
    margin-top: 0.35em;
}

.site-footer a {
    text-decoration: none;
}

.site-footer a:hover {
    text-decoration: underline;
    text-decoration-color: var(--color-accent);
}

/* Content */

.lead {
    font-size: 1.15em;
}

.steps {
    counter-reset: step;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
    gap: 0.75rem;
    padding: 0;
    margin-block: 1.5em 0;
}

.steps li {
    counter-increment: step;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--color-muted);
    font-weight: 600;
}

.steps li::before {
    content: counter(step);
    flex: none;
    display: grid;
    place-items: center;
    width: 2em;
    height: 2em;
    border-radius: 50%;
    background: var(--color-accent);
    color: var(--color-dark);
}

.privacy {
    margin-top: calc(var(--space) * 3);
    padding-top: var(--space);
    border-top: 2px solid var(--color-muted);
    font-size: 0.8125em;
}

.privacy h2 {
    margin-top: 0;
    font-size: 1.15em;
}

/* Buttons */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    padding: 0.45em 1.35em;
    border: 2px solid var(--color-border);
    border-radius: 0;
    font: inherit;
    font-weight: 600;
    line-height: 1.3;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}

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

.button--secondary {
    background: transparent;
    color: var(--color-text);
}

.button:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-dark);
}

/* Form (markup from Symfony's form_div_layout) */

.form {
    margin-top: 1.5em;
}

.form > ul {
    margin-bottom: 1.25em;
}

.form > div {
    margin-bottom: 1.25em;
}

.form label {
    display: block;
    margin-bottom: 0.35em;
    font-weight: 600;
}

.form label.required::after {
    content: " *";
    color: var(--color-error);
}

.form input,
.form textarea {
    display: block;
    width: 100%;
    padding: 0.6em 0.75em;
    border: 2px solid var(--color-border);
    border-radius: 0;
    background: var(--color-input-bg);
    color: var(--color-text);
    font: inherit;
}

.form textarea {
    min-height: 8em;
    resize: vertical;
}

.form input:focus,
.form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent);
}

.form [aria-invalid="true"] {
    border-color: var(--color-error);
}

.form ul {
    list-style: none;
    margin: 0 0 0.35em;
    padding: 0;
    color: var(--color-error);
    font-size: 0.875em;
    font-weight: 600;
}

.form__actions {
    margin-top: 1.5em;
}

.alert {
    margin-block: 1.5em;
    padding: 1em 1.25em;
    border-left: 6px solid var(--color-error);
    background: var(--color-muted);
}

/* Result */

.password {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-block: 1.5em;
    padding: var(--space);
    border: 2px solid var(--color-accent);
    border-left-width: 8px;
}

.password__value {
    flex: 1 1 18rem;
    font-family: var(--font-mono);
    font-size: clamp(1.125rem, 0.9rem + 1vw, 1.5rem);
    word-break: break-all;
    user-select: all;
}

.password__status {
    flex-basis: 100%;
    font-size: 0.875em;
    font-weight: 600;
}

.password__status:empty {
    display: none;
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}