* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: #163036;
    background:
        radial-gradient(circle at top right, rgba(215, 239, 223, 0.9), transparent 28%),
        linear-gradient(180deg, #f6fbf7 0%, #edf5ef 100%);
}

a {
    color: inherit;
}

.shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background: linear-gradient(180deg, #0d4738 0%, #153f59 100%);
    color: #eaf6ef;
    padding: 28px 20px;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 30px;
}

.brand-mark {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, #d6ef8e, #7ed08f);
    color: #0d4738;
    font-weight: bold;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand h1 {
    margin: 0 0 4px;
    font-size: 18px;
}

.brand p {
    margin: 0;
    opacity: 0.75;
    font-size: 12px;
}

.menu {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.menu-link {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    text-decoration: none;
    color: rgba(234, 246, 239, 0.88);
    transition: background 0.2s ease;
}

.menu-link:hover,
.menu-link.active {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
}

.main {
    flex: 1;
    margin-left: 250px;
    padding: 24px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.topbar h2 {
    margin: 0 0 6px;
    font-size: 28px;
}

.topbar p {
    margin: 0;
    color: #55706f;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 14px;
}

.alert {
    padding: 14px 16px;
    border-radius: 14px;
    margin-bottom: 18px;
    border: 1px solid transparent;
    transition: opacity 0.25s ease;
}

.alert-success {
    background: #e8f7eb;
    border-color: #bde1c4;
    color: #175233;
}

.alert-danger,
.alert-error {
    background: #fcebeb;
    border-color: #efc1c1;
    color: #8c2424;
}

.alert-warning {
    background: #fff7e3;
    border-color: #edd89c;
    color: #77540f;
}

.alert-info {
    background: #eaf2ff;
    border-color: #c4d7ff;
    color: #224f93;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card,
.panel {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(11, 54, 42, 0.08);
    border-radius: 18px;
    box-shadow: 0 14px 40px rgba(16, 60, 45, 0.08);
}

.stat-card {
    padding: 20px;
}

.stat-card h3 {
    margin: 0 0 10px;
    font-size: 13px;
    color: #55706f;
    font-weight: normal;
}

.stat-card strong {
    font-size: 28px;
    display: block;
    margin-bottom: 6px;
}

.stat-card span {
    color: #6f8684;
    font-size: 12px;
}

.panel {
    padding: 18px;
    margin-bottom: 20px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    gap: 12px;
}

.panel-header h3 {
    margin: 0;
    font-size: 18px;
}

.layout-grid {
    display: grid;
    grid-template-columns: 380px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.layout-grid-full {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 20px;
    align-items: start;
    margin-bottom: 20px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.form-group {
    margin-bottom: 14px;
}

.form-group.full {
    grid-column: 1 / -1;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #345556;
}

.input,
.select,
.textarea {
    width: 100%;
    border: 1px solid #cfe0d7;
    background: #fbfdfb;
    border-radius: 12px;
    padding: 11px 12px;
    font-size: 14px;
    color: #163036;
}

.textarea {
    min-height: 96px;
    resize: vertical;
}

.input:focus,
.select:focus,
.textarea:focus {
    outline: none;
    border-color: #2a8c73;
    box-shadow: 0 0 0 3px rgba(42, 140, 115, 0.14);
}

.btn {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 12px;
    border: none;
    text-decoration: none;
    cursor: pointer;
    font-size: 14px;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

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

.btn-primary {
    background: linear-gradient(135deg, #17795f, #245e84);
    color: #ffffff;
}

.btn-success {
    background: linear-gradient(135deg, #1f8f4f, #56aa5b);
    color: #ffffff;
}

.btn-danger {
    background: linear-gradient(135deg, #c84f4f, #a33434);
    color: #ffffff;
}

.btn-light {
    background: #ffffff;
    border: 1px solid #dbe8e1;
    color: #214244;
}

.table-wrap {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

.table th,
.table td {
    padding: 12px 10px;
    border-bottom: 1px solid #ebf1ed;
    text-align: left;
    vertical-align: top;
}

.table th {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #5f7974;
}

.table td strong {
    display: block;
}

.badge {
    display: inline-block;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: bold;
}

.badge-success {
    background: #e1f5e5;
    color: #176233;
}

.badge-danger {
    background: #fde6e6;
    color: #943636;
}

.badge-warning {
    background: #fff0cc;
    color: #8a6512;
}

.badge-info {
    background: #e6f0ff;
    color: #2b5fa4;
}

.badge-muted {
    background: #edf1f1;
    color: #546867;
}

.toolbar {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.quick-form .btn {
    width: 100%;
}

.summary-stack {
    display: grid;
    gap: 12px;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.summary-card {
    border: 1px solid #e6efea;
    border-radius: 16px;
    padding: 16px;
    background: linear-gradient(180deg, #fbfdfb 0%, #f5faf6 100%);
}

.summary-card span,
.summary-card small {
    display: block;
}

.summary-card span {
    color: #5d7470;
    margin-bottom: 8px;
}

.summary-card strong {
    display: block;
    font-size: 26px;
    margin-bottom: 8px;
    color: #173637;
}

.summary-card small {
    color: #6d8380;
}

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

.research-open-label {
    margin-bottom: 0;
    color: #35585a;
    font-weight: bold;
}

.research-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 6px;
}

.record-list {
    display: grid;
    gap: 12px;
}

.number-stat-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.number-stat-grid-back {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.number-stat-card {
    border: 1px solid #e6efea;
    border-radius: 16px;
    padding: 14px;
    background: linear-gradient(180deg, #fcfefc 0%, #f2f8f4 100%);
}

.number-stat-card strong,
.number-stat-card span,
.number-stat-card small {
    display: block;
}

.number-stat-card strong {
    font-size: 24px;
    margin-bottom: 8px;
    color: #173637;
}

.number-stat-card span,
.number-stat-card small {
    color: #607775;
    margin-bottom: 6px;
}

.record-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px;
    padding: 16px;
    border: 1px solid #e6efea;
    border-radius: 16px;
    background: #fcfefc;
}

.record-main strong,
.record-main span,
.record-main small,
.record-meta span {
    display: block;
}

.record-main span,
.record-main small,
.record-meta span {
    color: #607775;
}

.record-main span {
    margin-top: 4px;
}

.record-main small {
    margin-top: 8px;
    line-height: 1.6;
    white-space: pre-line;
}

.record-meta {
    min-width: 132px;
    text-align: right;
}

.record-meta span {
    margin-bottom: 8px;
}

.footer {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: #617675;
    font-size: 12px;
    padding: 18px 0 10px;
}

.empty {
    padding: 30px 20px;
    text-align: center;
    color: #6f8684;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.65), transparent 24%),
        linear-gradient(135deg, #0f4738 0%, #245e84 100%);
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.96);
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 22px 50px rgba(2, 21, 28, 0.28);
}

.login-card h1 {
    margin: 0 0 10px;
    font-size: 30px;
}

.login-card p {
    margin: 0 0 24px;
    color: #5c7271;
}

.login-meta {
    margin-top: 14px;
    font-size: 12px;
    color: #5c7271;
}

.install-page {
    max-width: 960px;
    margin: 0 auto;
    padding: 40px 20px;
}

.install-hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 20px;
    margin-bottom: 20px;
}

.install-card {
    background: rgba(255, 255, 255, 0.92);
    border-radius: 24px;
    padding: 28px;
    box-shadow: 0 14px 40px rgba(16, 60, 45, 0.08);
}

.install-card h1,
.install-card h2 {
    margin-top: 0;
}

.list {
    margin: 0;
    padding-left: 18px;
    color: #4b6768;
}

.muted {
    color: #6f8684;
    font-size: 12px;
    display: block;
}

@media (max-width: 1080px) {
    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .number-stat-grid,
    .number-stat-grid-back {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

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

    .layout-grid,
    .hero-grid,
    .install-hero {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 860px) {
    .shell {
        display: block;
    }

    .sidebar {
        position: static;
        width: auto;
    }

    .main {
        margin-left: 0;
        padding: 16px;
    }

    .topbar,
    .footer {
        display: block;
    }

    .topbar-user {
        margin-top: 14px;
        justify-content: space-between;
    }

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

    .record-card {
        grid-template-columns: 1fr;
    }

    .record-meta {
        min-width: 0;
        text-align: left;
        display: flex;
        flex-wrap: wrap;
        gap: 8px 12px;
    }

    .record-meta span {
        margin-bottom: 0;
    }

    .number-stat-grid,
    .number-stat-grid-back {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .research-actions {
        display: block;
    }

    .research-actions .btn,
    .research-actions .badge {
        margin-top: 10px;
    }
}

@media (max-width: 540px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .login-card,
    .install-card {
        padding: 22px;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .toolbar {
        display: block;
    }

    .toolbar .btn {
        margin-top: 10px;
    }

    .main {
        padding: 12px;
    }

    .panel {
        padding: 14px;
    }

    .topbar h2 {
        font-size: 24px;
    }

    .record-card {
        padding: 14px;
    }

    .number-stat-grid,
    .number-stat-grid-back {
        grid-template-columns: 1fr;
    }
}