:root {
    --bg: #f5f6f8;
    --surface: #ffffff;
    --surface-2: #f0f2f6;
    --border: #e1e4ea;
    --text: #1a1d24;
    --muted: #6b7280;
    --accent: #3b5bdb;
    --accent-2: #2f4cc9;
    --danger: #d9342b;
    --success: #16a34a;
    --shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 18px;
}

.logo {
    color: var(--accent);
    font-weight: 700;
    text-decoration: none;
    font-size: 18px;
    letter-spacing: 0.3px;
}

#breadcrumbs {
    flex: 1;
    color: var(--muted);
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#breadcrumbs a {
    color: var(--muted);
    text-decoration: none;
}

#breadcrumbs a:hover {
    color: var(--text);
}

#breadcrumbs .sep {
    margin: 0 6px;
    opacity: 0.5;
}

.header-actions {
    display: flex;
    gap: 8px;
}

main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 28px 20px 80px;
}

.loading {
    text-align: center;
    color: var(--muted);
    padding: 60px;
}

.view-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.view-header h1 {
    margin: 0 0 4px;
    font-size: 26px;
}

.header-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.view-toolbar {
    margin: -8px 0 18px;
    display: flex;
    justify-content: flex-end;
}

.view-mode {
    width: min(360px, 100%);
}

.muted {
    color: var(--muted);
    font-size: 13px;
    margin: 0;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 14px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px;
    cursor: grab;
    transition: border-color 0.15s, transform 0.15s, opacity 0.15s, box-shadow 0.15s;
    position: relative;
}

.card:active {
    cursor: grabbing;
}

.card:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
}

.card.dragging {
    opacity: 0.45;
    border-color: var(--accent);
    box-shadow: none;
}

.card.drop-before,
.card.drop-after {
    border-color: var(--accent);
}

.card.drop-before::before,
.card.drop-after::after {
    content: "";
    position: absolute;
    left: 10px;
    right: 10px;
    height: 3px;
    border-radius: 999px;
    background: var(--accent);
}

.card.drop-before::before {
    top: -8px;
}

.card.drop-after::after {
    bottom: -8px;
}

.card h3 {
    margin: 0 0 6px;
    font-size: 16px;
    word-break: break-word;
    padding-right: 74px;
}

.card .card-meta {
    color: var(--muted);
    font-size: 13px;
}

.card .card-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: none;
    gap: 4px;
}

.card:hover .card-actions {
    display: flex;
}

.env-list,
.env-flat {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.group-list-row,
.flat-key-row {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
}

.group-list-row {
    display: grid;
    grid-template-columns: 1fr minmax(180px, 260px) auto;
    gap: 12px;
    align-items: center;
}

.group-list-main {
    min-width: 0;
    background: transparent;
    border: none;
    color: inherit;
    font-family: inherit;
    text-align: left;
    padding: 0;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.group-list-name {
    font-size: 15px;
    font-weight: 600;
    word-break: break-word;
}

.group-list-meta {
    color: var(--muted);
    font-size: 13px;
}

.group-list-extra {
    min-width: 0;
}

.tag-pills {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px;
    min-height: 0;
    margin: 7px 0;
}

.tag-pill {
    display: inline-flex;
    align-items: center;
    max-width: 160px;
    border: 1px solid rgba(59, 91, 219, 0.22);
    background: rgba(59, 91, 219, 0.08);
    color: var(--accent);
    border-radius: 999px;
    padding: 3px 8px;
    font-size: 12px;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.group-note {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.35;
    margin: 8px 0 0;
    overflow-wrap: anywhere;
}

.group-page-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.group-list-actions,
.flat-key-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.flat-key-row {
    display: grid;
    grid-template-columns: minmax(110px, 160px) minmax(160px, 220px) 1fr auto;
    gap: 10px;
    align-items: center;
}

.flat-group {
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--muted);
    border-radius: 6px;
    padding: 6px 8px;
    font-family: inherit;
    font-size: 12px;
    text-align: left;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.flat-group:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.flat-key-name {
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 13px;
    color: var(--accent);
    word-break: break-all;
    display: flex;
    align-items: center;
    gap: 6px;
}

.flat-key-value {
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 13px;
    color: var(--text);
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 10px;
    word-break: break-all;
    cursor: text;
    user-select: all;
}

.flat-key-value.hidden {
    color: transparent;
    text-shadow: 0 0 8px var(--text);
    user-select: none;
    cursor: pointer;
}

.icon-btn {
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--muted);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
}

.icon-btn:hover {
    color: var(--text);
    border-color: var(--accent);
}

.icon-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.icon-btn:disabled:hover {
    color: var(--muted);
    border-color: var(--border);
}

.icon-btn.danger:hover {
    color: var(--danger);
    border-color: var(--danger);
}

.empty-state {
    grid-column: 1 / -1;
    background: var(--surface);
    border: 1px dashed var(--border);
    border-radius: 10px;
    padding: 40px 20px;
    text-align: center;
    color: var(--muted);
}

.btn-primary, .btn-ghost, .btn-danger {
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 14px;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.15s, border-color 0.15s;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-2);
}

.btn-ghost {
    background: var(--surface-2);
    color: var(--text);
    border-color: var(--border);
}

.btn-ghost:hover {
    border-color: var(--accent);
}

.btn-danger {
    background: transparent;
    color: var(--danger);
    border-color: var(--border);
}

.btn-danger:hover {
    background: rgba(255, 107, 107, 0.1);
    border-color: var(--danger);
}

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

.key-row {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 14px;
    display: grid;
    grid-template-columns: minmax(140px, 220px) 1fr auto;
    gap: 12px;
    align-items: center;
    cursor: grab;
    position: relative;
    transition: border-color 0.15s, opacity 0.15s;
}

.key-row:active {
    cursor: grabbing;
}

.key-row.dragging {
    opacity: 0.45;
    border-color: var(--accent);
}

.key-row.drop-before,
.key-row.drop-after {
    border-color: var(--accent);
}

.key-row.drop-before::before,
.key-row.drop-after::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    height: 3px;
    border-radius: 999px;
    background: var(--accent);
}

.key-row.drop-before::before {
    top: -7px;
}

.key-row.drop-after::after {
    bottom: -7px;
}

.key-row .key-name {
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 13px;
    color: var(--accent);
    word-break: break-all;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sensitive-badge {
    font-size: 11px;
    opacity: 0.8;
}

.optional-badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    border: 1px solid rgba(22, 163, 74, 0.28);
    background: rgba(22, 163, 74, 0.08);
    color: var(--success);
    border-radius: 999px;
    padding: 2px 6px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.2;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text);
    cursor: pointer;
    user-select: none;
}

.checkbox-row input {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
}

.reveal-list {
    max-height: 60vh;
    overflow-y: auto;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 13px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 14px;
}

.reveal-group {
    color: var(--accent);
    font-weight: 600;
    margin-top: 12px;
    margin-bottom: 4px;
}

.reveal-group:first-child {
    margin-top: 0;
}

.reveal-empty {
    color: var(--muted);
    margin-left: 12px;
    font-style: italic;
}

.reveal-kv {
    margin-left: 12px;
    word-break: break-all;
    padding: 2px 0;
}

.reveal-key {
    color: var(--muted);
}

.reveal-val {
    color: var(--text);
    user-select: all;
}

.key-row .key-value {
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 13px;
    color: var(--text);
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 10px;
    word-break: break-all;
    cursor: text;
    user-select: all;
}

.key-row .key-value.hidden {
    color: transparent;
    text-shadow: 0 0 8px var(--text);
    user-select: none;
    cursor: pointer;
}

.key-row .key-actions {
    display: flex;
    gap: 6px;
}

@media (max-width: 600px) {
    .key-row {
        grid-template-columns: 1fr;
    }

    .view-toolbar {
        justify-content: stretch;
    }

    .group-list-row,
    .flat-key-row {
        grid-template-columns: 1fr;
    }

    .wizard-shell {
        grid-template-columns: 1fr;
    }

    .wizard-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding-right: 0;
        padding-bottom: 10px;
        max-height: 180px;
    }

    .group-list-actions,
    .flat-key-actions {
        justify-content: flex-start;
    }
}

/* Modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 20px;
}

.modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow: auto;
    display: flex;
    flex-direction: column;
}

.modal.wide {
    max-width: 760px;
}

.modal-header {
    padding: 20px 22px 12px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    margin: 0;
    font-size: 18px;
}

.modal-header .modal-sub {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.modal-body {
    padding: 18px 22px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.modal-footer {
    padding: 14px 22px 18px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    border-top: 1px solid var(--border);
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.field label {
    font-size: 13px;
    color: var(--muted);
}

.field input, .field select, .field textarea {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 6px;
    padding: 9px 12px;
    font-size: 14px;
    font-family: inherit;
    width: 100%;
}

.field input:focus, .field select:focus, .field textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.field input.mono, .field textarea.mono {
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 13px;
}

.wizard-steps {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 4px;
}

.template-summary {
    margin-top: 12px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
}

.template-summary-row {
    color: var(--text);
    font-size: 13px;
    padding: 3px 0;
}

.wizard-step-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
}

.wizard-step-dot.active {
    background: var(--accent);
}

.wizard-step-dot.done {
    background: var(--success);
}

.segmented {
    display: flex;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 3px;
    gap: 2px;
}

.segmented button {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--muted);
    padding: 7px 10px;
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.segmented button.active {
    background: var(--surface);
    color: var(--text);
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.segmented button:hover:not(.active) {
    color: var(--text);
}

.parse-preview {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 13px;
    max-height: 180px;
    overflow-y: auto;
}

.parse-preview .group-head {
    color: var(--accent);
    font-weight: 600;
    margin-top: 8px;
    margin-bottom: 4px;
}

.parse-preview .group-head:first-child {
    margin-top: 0;
}

.parse-preview .kv {
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 12px;
    color: var(--muted);
    margin-left: 10px;
}

.parse-preview .kv b {
    color: var(--text);
    font-weight: 500;
}

.wizard-key-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 50vh;
    overflow-y: auto;
    padding-right: 4px;
}

.wizard-shell {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 16px;
}

.wizard-sidebar {
    border-right: 1px solid var(--border);
    padding-right: 12px;
    display: flex;
    flex-direction: column;
    gap: 7px;
    max-height: 55vh;
    overflow-y: auto;
}

.wizard-template-name {
    color: var(--muted);
    font-size: 12px;
    margin-bottom: 4px;
}

.wizard-group-step {
    width: 100%;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 8px;
    color: var(--text);
    font-family: inherit;
    text-align: left;
    padding: 8px;
    display: grid;
    grid-template-columns: 24px 1fr;
    column-gap: 8px;
    row-gap: 1px;
}

.wizard-group-step span {
    grid-row: 1 / span 2;
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--surface-2);
    color: var(--muted);
    font-size: 12px;
}

.wizard-group-step b {
    font-size: 13px;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.wizard-group-step small {
    color: var(--muted);
    font-size: 12px;
}

.wizard-group-step.active {
    background: rgba(59, 91, 219, 0.08);
    border-color: rgba(59, 91, 219, 0.24);
}

.wizard-group-step.active span {
    background: var(--accent);
    color: white;
}

.wizard-group-step.done span {
    background: var(--success);
    color: white;
}

.wizard-content {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.wizard-group-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.wizard-group-head h3 {
    margin: 0 0 3px;
    font-size: 17px;
}

.wizard-note {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--muted);
    margin: 0;
    padding: 9px 10px;
    font-size: 13px;
    line-height: 1.35;
}

.wizard-key-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
}

.wizard-key-row label {
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 12px;
    color: var(--accent);
}

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 16px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    z-index: 200;
    font-size: 14px;
    animation: toast-in 0.18s ease-out;
}

@keyframes toast-in {
    from { opacity: 0; transform: translate(-50%, 8px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}