:root {
    --bg-canvas: #0d1522;
    --bg-elevated: #131d2b;
    --bg-subtle: #101a28;
    --ink: #e8eef7;
    --ink-soft: #b9c7d8;
    --muted: #8ea0b4;
    --border: #23354a;
    --border-strong: #2f4660;
    --accent: #4b8fd8;
    --accent-strong: #3374b8;
    --accent-soft: #1a2b40;
    --success-soft: #173125;
    --danger: #ba2e3b;
    --danger-strong: #9e2631;
    --danger-soft: #3a1b20;
    --shadow-soft: 0 10px 24px rgba(3, 8, 14, 0.45);
    --shadow-medium: 0 18px 36px rgba(3, 8, 14, 0.58);
}

* {
    box-sizing: border-box;
}

*::selection {
    background: rgba(24, 94, 168, 0.22);
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "IBM Plex Sans", sans-serif;
    line-height: 1.45;
    color: var(--ink);
    background:
        radial-gradient(circle at 100% 0%, rgba(75, 143, 216, 0.22), transparent 32%),
        radial-gradient(circle at 0% 100%, rgba(51, 116, 184, 0.2), transparent 30%),
        linear-gradient(180deg, #0f1724 0%, var(--bg-canvas) 100%);
}

.container {
    width: min(1120px, 93vw);
    margin: 1.15rem auto 2.4rem;
    display: grid;
    gap: 0.9rem;
}

.hero {
    background:
        linear-gradient(118deg, #111d2d, #19324f 56%, #214978 100%),
        repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0, rgba(255, 255, 255, 0.08) 9px, transparent 9px, transparent 18px);
    color: #f7fbff;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: var(--shadow-medium);
    padding: 0.92rem 1.15rem;
    animation: heroEnter 420ms ease both;
}

.hero h1 {
    margin: 0;
    font-size: clamp(1.35rem, 3vw, 2rem);
    letter-spacing: -0.015em;
    font-weight: 700;
}

.hero p {
    margin: 0.4rem 0 0;
    max-width: 62ch;
    color: rgba(241, 247, 255, 0.86);
}

.session-row {
    display: flex;
    justify-content: flex-end;
    margin-top: -0.25rem;
    margin-bottom: -0.1rem;
}

.logout-link {
    text-decoration: none;
    color: #b8c8dc;
    font-size: 0.86rem;
    font-weight: 600;
}

.logout-link:hover {
    color: var(--accent);
}

.card {
    background: linear-gradient(180deg, #142131, #0f1a29);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 0.95rem;
    box-shadow: var(--shadow-soft);
    animation: panelEnter 360ms ease both;
}

.top-menu {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
}

.top-menu button {
    background: linear-gradient(180deg, #1a2a3e, #142334);
    color: var(--ink);
    border-color: var(--border-strong);
    box-shadow: none;
}

.top-menu button.is-active {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 8px 16px rgba(24, 94, 168, 0.3);
}

.operation-hub {
    display: none;
    gap: 0.8rem;
}

.operation-hub.is-open {
    display: grid;
}

.operation-hub-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.operation-hub-header h2 {
    margin: 0;
}

.operation-panel {
    display: none;
}

.operation-panel.is-active {
    display: block;
    animation: panelEnter 240ms ease;
}

.operation-panel h3 {
    margin: 0 0 0.62rem;
    color: var(--ink);
}

.manage-block {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.85rem;
    background: linear-gradient(180deg, #172739, #121f2f);
}

.manage-block + .manage-block {
    margin-top: 0.85rem;
}

.manage-block-list {
    border-style: dashed;
}

.manage-block h4 {
    margin: 0 0 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.79rem;
    color: var(--ink-soft);
}

.workspace-layout {
    display: grid;
    grid-template-columns: minmax(290px, 360px) 1fr;
    gap: 1rem;
    align-items: start;
}

.sidebar-menu {
    display: grid;
    gap: 0.8rem;
    position: sticky;
    top: 1rem;
}

.menu-card {
    padding: 0.9rem;
}

.menu-caption {
    margin: 0.06rem 0 0;
    font-size: 0.9rem;
}

.main-view {
    min-width: 0;
}

.info-tree {
    overflow: hidden;
    border-color: var(--border-strong);
}

h2 {
    margin: 0 0 0.72rem;
    letter-spacing: -0.01em;
    font-size: 1.08rem;
}

.tree-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.55rem;
}

.tree-stats {
    font-size: 0.79rem;
    font-weight: 700;
    white-space: nowrap;
    color: #ffffff;
    background: linear-gradient(135deg, #3c75b2, #2f6298);
    border-radius: 999px;
    border: 1px solid rgba(195, 220, 247, 0.38);
    padding: 0.2rem 0.5rem;
}

label,
legend {
    font-weight: 600;
    color: var(--ink-soft);
    font-size: 0.9rem;
}

input,
textarea {
    width: 100%;
    margin: 0.34rem 0 0.8rem;
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    padding: 0.66rem 0.7rem;
    color: var(--ink);
    background: #0e1928;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.9rem;
    transition: border-color 140ms ease, box-shadow 140ms ease;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(75, 143, 216, 0.22);
}

button {
    appearance: none;
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 0.6rem 0.9rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    cursor: pointer;
    transition: transform 120ms ease, filter 120ms ease;
}

button:hover {
    transform: translateY(-1px);
    filter: brightness(1.04);
}

button:active {
    transform: translateY(0);
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(75, 143, 216, 0.36);
    outline-offset: 1px;
}

fieldset {
    border: 1px dashed var(--border-strong);
    border-radius: 10px;
    margin: 0.2rem 0 0.9rem;
    padding: 0.7rem;
    background: var(--bg-subtle);
}

.checklist {
    display: grid;
    gap: 0.33rem;
    max-height: 148px;
    overflow: auto;
    padding-right: 0.24rem;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.9rem;
    color: var(--ink);
}

.check-item input[type="checkbox"] {
    width: auto;
    margin: 0;
    accent-color: var(--accent);
}

.repository-preview {
    margin: -0.2rem 0 0.9rem;
    padding: 0.7rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: linear-gradient(180deg, #152436, #121f2f);
}

.repository-preview-title {
    margin: 0 0 0.42rem;
    font-size: 0.77rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.repository-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.45rem;
    margin-bottom: 0.42rem;
}

.repository-preview-header .repository-preview-title {
    margin: 0;
}

.repository-preview-list {
    display: grid;
    gap: 0.35rem;
}

.repository-preview-empty {
    margin: 0;
    font-size: 0.9rem;
}

.repository-link {
    display: block;
    overflow-wrap: anywhere;
    color: var(--accent-strong);
    font-family: "JetBrains Mono", monospace;
    font-size: 0.86rem;
    text-decoration: none;
}

.repository-link:hover {
    color: var(--accent);
    text-decoration: underline;
}

.repository-link-invalid {
    margin: 0;
    color: #d4a073;
}

.selection-preview {
    margin: -0.2rem 0 0.9rem;
    padding: 0.7rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: linear-gradient(180deg, #152436, #121f2f);
}

.selection-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.45rem;
    margin-bottom: 0.42rem;
}

.selection-preview-title {
    margin: 0;
    font-size: 0.77rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.selection-preview-list {
    display: grid;
    gap: 0.35rem;
}

.selection-preview-item,
.selection-preview-empty {
    margin: 0;
    font-size: 0.9rem;
}

.selection-preview-item {
    color: var(--ink);
    font-weight: 600;
}

.list {
    display: grid;
    gap: 0.65rem;
    margin: 0;
    padding-left: 1.05rem;
}

.tree-layout {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1.45fr 1fr;
}

.tree-panel {
    border: 1px solid var(--border);
    border-radius: 14px;
    background: linear-gradient(180deg, #152537, #101c2b);
    padding: 0.95rem;
    min-height: 450px;
}

.tree-search-label {
    display: block;
    margin-bottom: 0.26rem;
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

#tree-search {
    margin-top: 0;
    margin-bottom: 0.56rem;
}

.tree {
    margin: 0;
    padding-left: 0;
    list-style: none;
    display: grid;
    gap: 0.42rem;
}

.tree-client {
    display: grid;
    gap: 0.38rem;
}

.tree-toggle,
.tree-project {
    width: 100%;
    text-align: left;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.52rem 0.66rem;
    background: linear-gradient(180deg, #1a2b40, #162436);
    color: var(--ink);
    box-shadow: none;
    display: flex;
    align-items: center;
    gap: 0.42rem;
}

.tree-toggle:hover,
.tree-project:hover {
    border-color: #4a6585;
    background: linear-gradient(180deg, #21344b, #1a2b40);
}

.tree-chevron {
    width: 0.8rem;
    color: #7fa4d0;
}

.tree-project-count {
    margin-left: auto;
    font-size: 0.81rem;
    color: var(--muted);
}

.tree-branch {
    list-style: none;
    margin: 0;
    padding-left: 1.02rem;
    display: grid;
    gap: 0.34rem;
    border-left: 2px solid #304a66;
}

.tree-project {
    font-weight: 600;
}

.tree-project[aria-current="true"] {
    border-color: #5e90c5;
    background: linear-gradient(180deg, #213853, #1b2f45);
}

.tree-empty {
    padding: 0.35rem 0.42rem;
}

.detail-panel {
    border: 1px solid var(--border);
    border-radius: 14px;
    background: linear-gradient(180deg, #142436, #101c2b);
    padding: 0.95rem;
    min-height: 450px;
}

.detail-panel.is-hidden {
    display: none;
}

.detail-panel h3 {
    margin: 0 0 0.6rem;
}

.detail-panel p {
    margin: 0.44rem 0;
}

.detail-form {
    display: grid;
    gap: 0.3rem;
    margin-top: 0.24rem;
}

.detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.56rem;
    margin-top: 0.24rem;
}

.secondary-button {
    background: linear-gradient(135deg, #5c7088, #4c6076);
}

.detail-form fieldset {
    margin-top: 0.4rem;
}

.detail-checklist {
    max-height: 180px;
}

.machine-admin-list,
.client-admin-list {
    display: grid;
    gap: 0.45rem;
}

.machine-admin-item,
.client-admin-item {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 0.44rem;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: linear-gradient(180deg, #192b3f, #152436);
    padding: 0.45rem 0.5rem;
}

.machine-admin-name,
.client-admin-name {
    font-weight: 700;
    grid-column: 1;
}

.machine-admin-item .muted,
.client-admin-item .muted {
    grid-column: 1;
    font-size: 0.82rem;
}

.small-button {
    padding: 0.33rem 0.52rem;
    font-size: 0.81rem;
    border-radius: 8px;
}

.danger-button {
    background: linear-gradient(135deg, var(--danger), var(--danger-strong));
}

.project {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.8rem;
    background: #142335;
}

.project h3 {
    margin: 0 0 0.38rem;
}

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

.message {
    min-height: 1.6rem;
    border-radius: 10px;
    border: 1px solid rgba(75, 143, 216, 0.35);
    background: var(--success-soft);
    color: #115e37;
    font-weight: 700;
    padding: 0.42rem 0.58rem;
}

.message.error {
    border-color: rgba(186, 46, 59, 0.44);
    background: var(--danger-soft);
    color: #862632;
}

.badge {
    display: inline-block;
    margin-right: 0.35rem;
    border-radius: 999px;
    border: 1px solid #45688f;
    background: linear-gradient(180deg, #1f3550, #1b2d43);
    color: #d3e4f9;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.1rem 0.52rem;
}

.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
}

.login-card {
    width: 100%;
    max-width: 390px;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.4rem 1.2rem;
    background: linear-gradient(180deg, #142436, #101c2b);
    box-shadow: var(--shadow-medium);
}

.login-card h1 {
    margin: 0 0 1rem;
    font-size: 1.35rem;
    color: var(--ink);
}

.field {
    margin-bottom: 1rem;
}

.field label {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--ink-soft);
}

.field input {
    margin: 0;
}

.btn-submit {
    width: 100%;
}

.error-msg {
    display: none;
    margin-top: 0.9rem;
    color: var(--danger);
    font-size: 0.86rem;
    font-weight: 600;
}

@media (max-width: 980px) {
    .container {
        width: min(1120px, 95vw);
        margin-top: 0.95rem;
    }

    .top-menu button {
        flex: 1 1 190px;
    }

    .workspace-layout {
        grid-template-columns: 1fr;
    }

    .sidebar-menu {
        position: static;
    }

    .menu-card:first-child {
        display: none;
    }
}

@media (max-width: 860px) {
    .hero {
        border-radius: 14px;
        padding: 0.8rem 0.9rem;
    }

    .tree-layout {
        grid-template-columns: 1fr;
    }

    .tree-panel,
    .detail-panel {
        min-height: auto;
    }

    .detail-actions button {
        flex: 1 1 140px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 1ms !important;
        transition-duration: 1ms !important;
    }
}

@keyframes panelEnter {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroEnter {
    from {
        opacity: 0;
        transform: translateY(-7px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}