:root {
    color-scheme: dark;
    --installer-bg: #0b0c10;
    --installer-panel: rgba(25, 25, 31, 0.94);
    --installer-panel-soft: #202027;
    --installer-border: rgba(255, 255, 255, 0.1);
    --installer-text: #f8f7fb;
    --installer-muted: #aaa7b3;
    --installer-accent: #a77bff;
    --installer-accent-strong: #8f5eff;
    --installer-success: #56d99a;
    --installer-warning: #f4bd63;
    --installer-danger: #ff7d7d;
    --installer-focus: #d8c4ff;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background: var(--installer-bg);
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--installer-text);
    background:
        radial-gradient(circle at 15% 0%, rgba(142, 94, 255, 0.18), transparent 34rem),
        radial-gradient(circle at 90% 20%, rgba(255, 93, 71, 0.08), transparent 28rem),
        var(--installer-bg);
}

button,
input {
    font: inherit;
}

a {
    color: inherit;
}

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

.installer-shell {
    width: min(1080px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0 36px;
}

.installer-header,
.installer-footer,
.installer-heading-row,
.installer-actions,
.wizard-step__actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.installer-header {
    margin-bottom: 28px;
}

.installer-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.installer-brand__mark {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 14px;
    background: linear-gradient(145deg, #bd91ff, #7443e2);
    box-shadow: 0 10px 28px rgba(116, 67, 226, 0.28);
    color: #fff;
    font-size: 20px;
    font-weight: 800;
}

.installer-brand strong,
.installer-brand small {
    display: block;
}

.installer-brand strong {
    font-size: 17px;
    letter-spacing: 0.01em;
}

.installer-brand small {
    margin-top: 2px;
    color: var(--installer-muted);
    font-size: 12px;
}

.installer-header__status {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--installer-muted);
    font-size: 13px;
}

.installer-header__status span {
    color: var(--installer-success);
}

.installer-progress {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin-bottom: 22px;
}

.installer-progress__item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #76737e;
}

.installer-progress__item:not(:last-child)::after {
    position: absolute;
    z-index: -1;
    top: 16px;
    left: 36px;
    width: calc(100% - 40px);
    height: 1px;
    background: var(--installer-border);
    content: "";
}

.installer-progress__item > span {
    display: grid;
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    place-items: center;
    border: 1px solid var(--installer-border);
    border-radius: 50%;
    background: #15151a;
    font-size: 12px;
    font-weight: 800;
}

.installer-progress__item.is-current,
.installer-progress__item.is-complete {
    color: var(--installer-text);
}

.installer-progress__item.is-current > span {
    border-color: var(--installer-accent);
    background: var(--installer-accent);
    color: #110b1c;
}

.installer-progress__item.is-complete > span {
    border-color: rgba(86, 217, 154, 0.45);
    background: rgba(86, 217, 154, 0.12);
    color: var(--installer-success);
}

.installer-progress__item small {
    font-size: 12px;
    font-weight: 650;
}

.installer-card {
    padding: clamp(24px, 4vw, 46px);
    border: 1px solid var(--installer-border);
    border-radius: 24px;
    background: var(--installer-panel);
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.32);
    backdrop-filter: blur(18px);
}

.installer-card--narrow {
    width: min(660px, 100%);
    margin: 0 auto;
}

.installer-card__eyebrow {
    margin-bottom: 8px;
    color: var(--installer-accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 12px;
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.08;
    letter-spacing: -0.035em;
}

h2 {
    margin-bottom: 5px;
    font-size: 20px;
    letter-spacing: -0.015em;
}

.installer-lead {
    max-width: 760px;
    margin-bottom: 28px;
    color: var(--installer-muted);
    font-size: 16px;
    line-height: 1.7;
}

.installer-callout,
.installer-alert {
    padding: 18px;
    border: 1px solid var(--installer-border);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.035);
}

.installer-callout {
    margin-bottom: 26px;
}

.installer-callout strong,
.installer-callout code,
.installer-callout p {
    display: block;
}

.installer-callout code {
    overflow-wrap: anywhere;
    margin: 10px 0;
    padding: 11px 13px;
    border-radius: 9px;
    background: #101014;
    color: #ded0ff;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 13px;
}

.installer-callout p,
.installer-callout li {
    color: var(--installer-muted);
    font-size: 13px;
    line-height: 1.6;
}

.installer-callout p {
    margin-bottom: 0;
}

.installer-alert {
    margin-bottom: 18px;
    font-size: 14px;
    line-height: 1.55;
}

.installer-alert ul {
    margin: 8px 0 0;
    padding-left: 20px;
}

.installer-alert--error {
    border-color: rgba(255, 125, 125, 0.35);
    background: rgba(255, 125, 125, 0.08);
    color: #ffd1d1;
}

.installer-alert--warning {
    border-color: rgba(244, 189, 99, 0.3);
    background: rgba(244, 189, 99, 0.07);
    color: #f8deb3;
}

.installer-form {
    display: grid;
    gap: 20px;
}

.installer-grid {
    display: grid;
    gap: 18px;
}

.installer-grid--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.installer-grid--three {
    grid-template-columns: 2fr 1fr;
}

.installer-field {
    display: grid;
    gap: 8px;
    min-width: 0;
}

.installer-field > span,
.installer-choice-group legend {
    color: #e9e7ed;
    font-size: 13px;
    font-weight: 700;
}

.installer-field input {
    width: 100%;
    min-height: 48px;
    padding: 0 14px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 11px;
    outline: none;
    background: #121217;
    color: var(--installer-text);
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.installer-field input:hover {
    border-color: rgba(255, 255, 255, 0.24);
}

.installer-field input:focus {
    border-color: var(--installer-accent);
    box-shadow: 0 0 0 3px rgba(167, 123, 255, 0.14);
}

.installer-field small,
.installer-hint {
    color: var(--installer-muted);
    font-size: 12px;
    line-height: 1.55;
}

.installer-field--wide {
    min-width: 0;
}

.installer-choice-group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 4px 0 0;
    padding: 0;
    border: 0;
}

.installer-choice-group legend {
    grid-column: 1 / -1;
    margin-bottom: 2px;
}

.installer-choice,
.installer-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    border: 1px solid var(--installer-border);
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.025);
    cursor: pointer;
}

.installer-choice:has(input:checked),
.installer-checkbox:has(input:checked) {
    border-color: rgba(167, 123, 255, 0.55);
    background: rgba(167, 123, 255, 0.07);
}

.installer-choice input,
.installer-checkbox input {
    flex: 0 0 auto;
    margin: 3px 0 0;
    accent-color: var(--installer-accent);
}

.installer-choice strong,
.installer-choice small,
.installer-checkbox strong,
.installer-checkbox small {
    display: block;
}

.installer-choice small,
.installer-checkbox small {
    margin-top: 4px;
    color: var(--installer-muted);
    font-size: 12px;
    line-height: 1.45;
}

.installer-button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
    border: 1px solid transparent;
    border-radius: 11px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
    transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
}

.installer-button:hover:not(:disabled) {
    transform: translateY(-1px);
}

.installer-button:disabled {
    cursor: not-allowed;
    opacity: 0.46;
}

.installer-button--primary {
    background: linear-gradient(135deg, #b98cff, var(--installer-accent-strong));
    box-shadow: 0 10px 24px rgba(143, 94, 255, 0.22);
    color: #120d1a;
}

.installer-button--secondary {
    border-color: var(--installer-border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--installer-text);
}

.installer-button--full {
    width: 100%;
}

.installer-badge {
    flex: 0 0 auto;
    padding: 7px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
}

.installer-badge--success {
    background: rgba(86, 217, 154, 0.12);
    color: var(--installer-success);
}

.installer-badge--warning {
    background: rgba(244, 189, 99, 0.12);
    color: var(--installer-warning);
}

.requirement-list {
    display: grid;
    gap: 10px;
    margin: 28px 0;
}

.requirement-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 13px;
    padding: 14px 15px;
    border: 1px solid var(--installer-border);
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.025);
}

.requirement-item__icon {
    display: grid;
    width: 27px;
    height: 27px;
    place-items: center;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 900;
}

.requirement-item.is-passed .requirement-item__icon {
    background: rgba(86, 217, 154, 0.12);
    color: var(--installer-success);
}

.requirement-item.is-failed .requirement-item__icon {
    background: rgba(255, 125, 125, 0.12);
    color: var(--installer-danger);
}

.requirement-item strong,
.requirement-item p {
    display: block;
}

.requirement-item strong {
    font-size: 13px;
}

.requirement-item p,
.requirement-item > small {
    margin: 3px 0 0;
    color: var(--installer-muted);
    font-size: 11px;
    line-height: 1.45;
}

.installer-wizard {
    margin-top: 32px;
}

.wizard-step {
    display: grid;
    gap: 24px;
    padding-top: 4px;
}

.js .wizard-step:not(.is-active) {
    display: none;
}

.wizard-step + .wizard-step {
    margin-top: 36px;
    padding-top: 36px;
    border-top: 1px solid var(--installer-border);
}

.js .wizard-step + .wizard-step {
    margin-top: 0;
    padding-top: 4px;
    border-top: 0;
}

.wizard-step__heading {
    display: flex;
    align-items: center;
    gap: 13px;
}

.wizard-step__heading > span {
    display: grid;
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    place-items: center;
    border-radius: 12px;
    background: rgba(167, 123, 255, 0.11);
    color: var(--installer-accent);
    font-weight: 900;
}

.wizard-step__heading p {
    margin-bottom: 0;
    color: var(--installer-muted);
    font-size: 13px;
}

.step-next,
.step-previous {
    display: none;
}

.js .step-next,
.js .step-previous {
    display: inline-flex;
}

.database-test {
    display: none;
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 13px;
}

.database-test.is-visible {
    display: block;
}

.database-test.is-success {
    background: rgba(86, 217, 154, 0.09);
    color: #a6f2cb;
}

.database-test.is-error {
    background: rgba(255, 125, 125, 0.09);
    color: #ffc1c1;
}

.installer-review {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 0;
}

.installer-review > div {
    padding: 14px;
    border: 1px solid var(--installer-border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.025);
}

.installer-review dt {
    margin-bottom: 5px;
    color: var(--installer-muted);
    font-size: 11px;
    font-weight: 750;
    text-transform: uppercase;
}

.installer-review dd {
    overflow-wrap: anywhere;
    margin: 0;
    font-size: 13px;
    font-weight: 700;
}

.installer-success {
    text-align: center;
}

.installer-success__icon {
    display: grid;
    width: 64px;
    height: 64px;
    place-items: center;
    margin: 0 auto 22px;
    border: 1px solid rgba(86, 217, 154, 0.34);
    border-radius: 20px;
    background: rgba(86, 217, 154, 0.1);
    color: var(--installer-success);
    font-size: 28px;
    font-weight: 900;
}

.installer-success .installer-lead {
    margin-right: auto;
    margin-left: auto;
}

.installer-success .installer-callout {
    text-align: left;
}

.installer-footer {
    margin-top: 20px;
    padding: 0 4px;
    color: #77737f;
    font-size: 11px;
}

@media (max-width: 720px) {
    .installer-shell {
        width: min(100% - 20px, 1080px);
        padding-top: 18px;
    }

    .installer-header__status,
    .installer-progress__item small {
        display: none;
    }

    .installer-progress__item {
        justify-content: center;
    }

    .installer-progress__item:not(:last-child)::after {
        left: calc(50% + 18px);
        width: calc(100% - 36px);
    }

    .installer-card {
        padding: 24px 18px;
        border-radius: 18px;
    }

    .installer-grid--two,
    .installer-grid--three,
    .installer-choice-group,
    .installer-review {
        grid-template-columns: 1fr;
    }

    .installer-heading-row,
    .installer-actions,
    .wizard-step__actions,
    .installer-footer {
        align-items: stretch;
        flex-direction: column;
    }

    .installer-actions .installer-button,
    .wizard-step__actions .installer-button {
        width: 100%;
    }

    .requirement-item {
        grid-template-columns: auto 1fr;
    }

    .requirement-item > small {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}