:root {
    --page-bg: #f3f6f2;
    --page-accent: radial-gradient(circle at top left, rgba(36, 180, 126, 0.18), transparent 28%), radial-gradient(circle at top right, rgba(30, 144, 255, 0.12), transparent 24%), linear-gradient(180deg, #f8fbf9 0%, #eef4ef 100%);
    --surface-bg: rgba(255, 255, 255, 0.82);
    --surface-solid: #ffffff;
    --surface-muted: #f4f7f4;
    --text-color: #18221f;
    --muted-text: #5b6a64;
    --heading-color: #0f1714;
    --border-color: rgba(22, 33, 27, 0.12);
    --readonly-bg: #edf2ef;
    --readonly-text: #41504a;
    --button-bg: linear-gradient(135deg, #1e9e65 0%, #157e5a 100%);
    --button-bg-hover: linear-gradient(135deg, #22ad6f 0%, #0f6a4c 100%);
    --button-text: #f7fffb;
    --button-secondary-bg: #e8f4ee;
    --button-secondary-text: #15563f;
    --button-ghost-bg: transparent;
    --button-ghost-border: rgba(21, 86, 63, 0.18);
    --pill-bg: #e9f5ef;
    --pill-text: #123f31;
    --danger-color: #d95454;
    --results-bg: rgba(255, 255, 255, 0.88);
    --results-border: rgba(36, 180, 126, 0.22);
    --shadow-color: rgba(17, 28, 22, 0.12);
    --ring-color: rgba(30, 158, 101, 0.18);
}

body[data-theme="dark"] {
    --page-bg: #08110e;
    --page-accent: radial-gradient(circle at top left, rgba(30, 158, 101, 0.22), transparent 28%), radial-gradient(circle at top right, rgba(82, 162, 255, 0.16), transparent 24%), linear-gradient(180deg, #0a1210 0%, #0d1715 100%);
    --surface-bg: rgba(18, 29, 26, 0.82);
    --surface-solid: #12201c;
    --surface-muted: #162723;
    --text-color: #e5f1eb;
    --muted-text: #9fb3ab;
    --heading-color: #f4fbf7;
    --border-color: rgba(214, 240, 229, 0.12);
    --readonly-bg: #20302b;
    --readonly-text: #bfd2ca;
    --button-bg: linear-gradient(135deg, #2bc47d 0%, #1f9965 100%);
    --button-bg-hover: linear-gradient(135deg, #36d088 0%, #17754d 100%);
    --button-text: #03110a;
    --button-secondary-bg: #1b342a;
    --button-secondary-text: #d7f7e8;
    --button-ghost-bg: rgba(255, 255, 255, 0.02);
    --button-ghost-border: rgba(215, 247, 232, 0.12);
    --pill-bg: #173229;
    --pill-text: #dcf9ea;
    --danger-color: #ff8a8a;
    --results-bg: rgba(15, 26, 23, 0.92);
    --results-border: rgba(56, 189, 126, 0.22);
    --shadow-color: rgba(0, 0, 0, 0.35);
    --ring-color: rgba(56, 189, 126, 0.22);
}

* {
    box-sizing: border-box;
}

body {
    font-family: Aptos, "Segoe UI Variable", "Segoe UI", sans-serif;
    margin: 0;
    min-height: 100vh;
    padding: 32px 20px 40px;
    background: var(--page-accent);
    background-color: var(--page-bg);
    color: var(--text-color);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.page-shell {
    max-width: 1240px;
    margin: 0 auto;
}

.hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 26px;
}

.hero-copy {
    max-width: 720px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--pill-bg);
    color: var(--pill-text);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1 {
    margin: 14px 0 10px;
    color: var(--heading-color);
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    line-height: 0.95;
    letter-spacing: -0.04em;
}

.hero p,
.panel-header p,
.results-empty,
footer p {
    color: var(--muted-text);
}

.hero p {
    margin: 0;
    max-width: 62ch;
    font-size: 1.02rem;
    line-height: 1.6;
}

.app-layout {
    display: grid;
    gap: 22px;
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.95fr);
    align-items: start;
}

.panel {
    position: relative;
    padding: 26px;
    border: 1px solid var(--border-color);
    border-radius: 28px;
    background: var(--surface-bg);
    box-shadow: 0 24px 70px -30px var(--shadow-color);
    backdrop-filter: blur(20px);
}

.panel::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent 24%);
}

.panel-header {
    margin-bottom: 20px;
}

.panel-header h2 {
    margin: 0 0 6px;
    color: var(--heading-color);
    font-size: 1.35rem;
    letter-spacing: -0.03em;
}

.panel-header p {
    margin: 0;
    line-height: 1.55;
}

form {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 16px;
}

.fields:has(#veeam-one-required:not(:checked)) #veeam-one-options-container {
    display: none;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.force-below-backup-verification {
    grid-column: 1 / -1;
}

.calculated-field {
    padding: 14px 16px 16px;
    border: 1px solid var(--border-color);
    border-radius: 18px;
    background: color-mix(in srgb, var(--readonly-bg) 72%, var(--surface-solid));
}

.field-span-2 {
    grid-column: 1 / -1;
}

.paired-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 16px;
}

.calculated-field__label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.calculated-field__badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--pill-bg);
    color: var(--pill-text);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.field-help {
    margin: 0;
    color: var(--muted-text);
    font-size: 0.88rem;
    line-height: 1.45;
}

label {
    display: block;
    font-weight: 700;
    font-size: 0.94rem;
    letter-spacing: -0.01em;
    color: var(--heading-color);
}

input[type="text"],
input[type="number"],
select {
    width: 100%;
    min-height: 48px;
    padding: 12px 0;
    border: none;
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
    background-color: transparent;
    color: var(--text-color);
    font: inherit;
    box-shadow: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.toggle-control {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-height: 48px;
    padding: 10px 0;
    border: none;
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
    background-color: transparent;
    cursor: pointer;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.toggle-control:hover {
    transform: none;
}

.toggle-control:focus-within {
    border-bottom-color: color-mix(in srgb, var(--button-secondary-text) 68%, transparent);
    box-shadow: inset 0 -2px 0 0 var(--ring-color);
}

.toggle-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.toggle-switch {
    position: relative;
    flex: 0 0 54px;
    width: 54px;
    height: 30px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--muted-text) 24%, transparent);
    transition: background-color 0.2s ease;
}

.toggle-switch::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--surface-solid);
    box-shadow: 0 6px 14px -8px var(--shadow-color);
    transition: transform 0.2s ease;
}

.toggle-text {
    min-width: 2.4rem;
    font-weight: 700;
    color: var(--heading-color);
}

.toggle-input:checked + .toggle-switch {
    background: linear-gradient(135deg, #1e9e65 0%, #157e5a 100%);
}

.toggle-input:checked + .toggle-switch::after {
    transform: translateX(24px);
}

input::placeholder {
    color: var(--muted-text);
}

input:focus,
select:focus,
button:focus-visible {
    outline: none;
    border-bottom-color: color-mix(in srgb, var(--button-secondary-text) 68%, transparent);
    box-shadow: inset 0 -2px 0 0 var(--ring-color);
}

input[readonly] {
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background-color: var(--readonly-bg);
    color: var(--readonly-text);
    cursor: default;
    font-weight: 700;
}

.inline-action {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
}

.dynamic-fields {
    display: grid;
    gap: 12px;
}

.dynamic-fields label {
    margin: 0;
}

.dynamic-fields label input {
    margin-top: 8px;
}

.distributed-fields {
    gap: 12px;
}

.distributed-fields__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 16px;
}

@media (max-width: 720px) {
    .distributed-fields__grid {
        grid-template-columns: 1fr;
    }
}

.hypervisor-list {
    min-height: 52px;
    padding: 6px 0;
    border: none;
    border-bottom: 1px dashed var(--border-color);
    border-radius: 0;
    background: transparent;
}

.hypervisor-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: var(--pill-bg);
    color: var(--pill-text);
    border-radius: 999px;
    padding: 8px 12px;
    margin: 4px 6px 0 0;
    font-size: 0.92rem;
    font-weight: 700;
}

.hypervisor-pill button {
    width: auto;
    min-width: 0;
    margin: 0;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--danger-color);
    box-shadow: none;
    font-size: 1rem;
    line-height: 1;
}

.option-checklist {
    display: grid;
    gap: 10px;
    padding-top: 6px;
}

.option-checkbox {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 12px;
    min-height: 48px;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: color-mix(in srgb, var(--surface-solid) 76%, transparent);
    cursor: pointer;
}

.option-checkbox input {
    margin: 0;
    width: 18px;
    height: 18px;
    accent-color: #1e9e65;
}

.option-checkbox__meta {
    color: var(--muted-text);
    font-size: 0.9rem;
    font-weight: 700;
}

button {
    appearance: none;
    border: 1px solid transparent;
    border-radius: 14px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

button:hover {
    transform: translateY(-1px);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.theme-toggle,
.primary-button,
.secondary-button,
.ghost-button {
    min-height: 48px;
    padding: 12px 16px;
}

.theme-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    min-width: 48px;
    margin: 0;
    padding: 0;
    background: var(--surface-bg);
    color: var(--text-color);
    border-color: var(--border-color);
    box-shadow: 0 10px 30px -20px var(--shadow-color);
    overflow: hidden;
    font-size: 0;
    line-height: 0;
}

.theme-toggle::before {
    content: attr(data-icon);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1em;
    height: 1em;
    font-size: 1.35rem;
    line-height: 1;
}

.theme-toggle__icon {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.primary-button {
    background: var(--button-bg);
    color: var(--button-text);
    box-shadow: 0 18px 30px -18px rgba(17, 127, 82, 0.55);
}

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

.secondary-button {
    width: auto;
    margin: 0;
    white-space: nowrap;
    background: var(--button-secondary-bg);
    color: var(--button-secondary-text);
}

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

.action-row {
    display: flex;
    gap: 12px;
}

.share-row {
    margin-top: -8px;
}

.action-row button {
    width: 100%;
    margin: 0;
}

.results-panel {
    min-height: 100%;
}

.output-card {
    min-height: 240px;
    padding: 18px;
    border-radius: 18px;
    border: 1px solid var(--results-border);
    background: var(--results-bg);
}

.results-empty {
    margin: 0;
    line-height: 1.7;
}

#output table {
    width: 100%;
    border-collapse: collapse;
}

#output td {
    padding: 11px 0;
    border-bottom: 1px solid var(--border-color);
    vertical-align: top;
    color: var(--text-color);
}

#output tr:last-child td {
    border-bottom: none;
}

#output td:first-child {
    width: 46%;
    padding-right: 12px;
    color: var(--muted-text);
}

#output strong {
    color: inherit;
}

footer {
    padding: 18px 4px 0;
}

footer p {
    margin: 0;
    font-size: 0.92rem;
}

@media (max-width: 980px) {
    .app-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    body {
        padding: 20px 14px 28px;
    }

    .hero {
        flex-direction: column;
        align-items: stretch;
    }

    .theme-toggle {
        width: 48px;
    }

    .panel {
        padding: 20px;
        border-radius: 22px;
    }

    .fields {
        grid-template-columns: 1fr;
    }

    .field-span-2 {
        grid-column: auto;
    }

    .paired-fields {
        grid-template-columns: 1fr;
    }

    .inline-action,
    .action-row {
        grid-template-columns: 1fr;
        display: grid;
    }

    .secondary-button {
        width: 100%;
    }
}