/* Design Tokens */
:root {
    --font-family: 'Manrope', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;

    --text-2xs: 0.75rem;
    --text-xs: 0.8125rem;
    --text-sm: 0.875rem;
    --text-md: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.5rem;

    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-5: 40px;
    --space-6: 48px;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    --color-bg: #f4f7fc;
    --color-bg-soft: #edf3fc;
    --color-surface: #ffffff;
    --color-surface-subtle: #f9fbff;
    --color-border: #dce6f2;
    --color-border-strong: #c6d5e7;
    --color-text: #1a2a40;
    --color-text-muted: #627793;
    --color-primary: #315efb;
    --color-primary-strong: #274cd0;
    --color-danger: #cc3a3a;
    --color-danger-strong: #a83030;
    --color-sidebar: #0f2033;
    --color-sidebar-soft: #1a2f47;
    --color-sidebar-text: #d8e4f3;
    --color-focus: #78a4ff;

    --shadow-sm: 0 6px 16px rgba(18, 34, 63, 0.07);
    --shadow-md: 0 16px 36px rgba(13, 31, 58, 0.13);

    --sidebar-width: 300px;
    --z-sidebar: 40;
    --z-overlay: 35;
    --z-topbar: 30;
    --z-modal: 100;
}

/* Base */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--text-sm);
    line-height: 1.45;
    color: var(--color-text);
    background:
        radial-gradient(
            circle at 100% 0%,
            rgba(45, 91, 255, 0.12),
            transparent 38%
        ),
        radial-gradient(
            circle at 0% 100%,
            rgba(37, 74, 212, 0.08),
            transparent 42%
        ),
        var(--color-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    filter: blur(4px);
    animation: drift 14s ease-in-out infinite;
}

body::before {
    top: -120px;
    right: -100px;
    width: 320px;
    height: 320px;
    background: rgba(46, 134, 225, 0.2);
}

body::after {
    bottom: -120px;
    left: -90px;
    width: 300px;
    height: 300px;
    background: rgba(31, 105, 179, 0.16);
    animation-delay: -7s;
}

h1,
h2,
h3,
p {
    margin: 0;
}

.hidden {
    display: none !important;
}

/* Layout */
.app-shell {
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100dvh;
    z-index: var(--z-sidebar);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-2);
    background: linear-gradient(
        180deg,
        #0b1d30 0%,
        var(--color-sidebar) 45%,
        #102a42 100%
    );
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-sidebar-text);
    overflow: auto;
    transition: transform 0.28s ease;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-1);
}

.brand h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.brand p {
    margin-top: 2px;
    font-size: var(--text-xs);
    color: #9db1cb;
}

.sidebar-close {
    display: none;
}

.sidebar-search input {
    width: 100%;
    border: 1px solid #2b4460;
    border-radius: var(--radius-md);
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-sm);
    color: #e7f0fc;
    background: #112a41;
    transition:
        border-color 0.22s ease,
        box-shadow 0.22s ease,
        background-color 0.22s ease;
}

.sidebar-search input::placeholder {
    color: #91a8c4;
}

.module-list {
    display: grid;
    gap: var(--space-1);
    padding-bottom: var(--space-3);
}

.module-list-state {
    border: 1px dashed #365170;
    border-radius: var(--radius-md);
    padding: var(--space-2);
    font-size: var(--text-xs);
    color: #9db3cd;
    background: rgba(14, 42, 68, 0.5);
}

.module-list-state[data-loading='1']::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-right: 8px;
    border: 2px solid #5b7698;
    border-top-color: #9fc3ef;
    border-radius: 50%;
    vertical-align: -2px;
    animation: spin 0.8s linear infinite;
}

.main-shell {
    margin-left: var(--sidebar-width);
    min-width: 0;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: var(--z-topbar);
    display: flex;
    justify-content: space-between;
    gap: var(--space-2);
    align-items: flex-start;
    padding: var(--space-2) var(--space-3);
    border-bottom: 1px solid var(--color-border);
    background: rgba(244, 247, 252, 0.92);
    backdrop-filter: blur(10px);
}

.topbar-left {
    display: flex;
    gap: var(--space-2);
    align-items: flex-start;
}

.topbar-left h2 {
    font-size: var(--text-xl);
    font-weight: 670;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.topbar-left p {
    margin-top: 4px;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.45;
}

.eyebrow {
    margin-bottom: 4px;
    font-size: var(--text-2xs);
    color: #4f78ab;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.topbar-right {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    justify-content: flex-end;
}

.sidebar-toggle {
    display: none;
}

.main-content {
    padding: var(--space-3);
    animation: fade-in-up 0.45s ease both;
}

.welcome-panel {
    margin-bottom: var(--space-2);
    border: 1px solid #cfe0f2;
    border-radius: var(--radius-lg);
    padding: var(--space-2);
    background: linear-gradient(140deg, #ffffff 0%, #eef6ff 100%);
    box-shadow: var(--shadow-sm);
    animation: fade-in-up 0.45s ease both;
}

.welcome-panel h3 {
    margin-bottom: 6px;
    font-size: var(--text-lg);
}

.welcome-panel p {
    color: var(--color-text-muted);
}

.welcome-panel.is-dismissed {
    display: none;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-2);
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-overlay);
    background: rgba(9, 20, 34, 0.58);
    opacity: 0;
    transition: opacity 0.2s ease;
}

/* Components */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2);
    box-shadow: var(--shadow-sm);
    transition:
        box-shadow 0.24s ease,
        border-color 0.24s ease,
        transform 0.24s ease;
    animation: fade-in-up 0.5s ease both;
}

.card h3 {
    margin-bottom: var(--space-2);
    font-size: var(--text-lg);
    font-weight: 640;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.card:hover {
    border-color: #c8d7ea;
    box-shadow: 0 10px 22px rgba(20, 45, 80, 0.09);
}

.card-records {
    margin-bottom: var(--space-2);
}

.grid {
    display: grid;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.grid.cols-3 {
    grid-template-columns: repeat(3, minmax(180px, 1fr));
}

.grid.cols-2 {
    grid-template-columns: repeat(2, minmax(180px, 1fr));
}

.form-grid {
    display: grid;
    gap: var(--space-1);
}

.field label {
    display: block;
    margin-bottom: var(--space-1);
    font-size: var(--text-xs);
    font-weight: 550;
    color: var(--color-text-muted);
    letter-spacing: 0.01em;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text);
    background: var(--color-surface-subtle);
    transition:
        border-color 0.22s ease,
        box-shadow 0.22s ease,
        background-color 0.22s ease;
}

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

.field input:hover,
.field select:hover,
.field textarea:hover {
    border-color: #b6c9df;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(49, 94, 251, 0.18);
    background: #fff;
}

.field.error input,
.field.error select,
.field.error textarea,
.field input[aria-invalid='true'],
.field select[aria-invalid='true'],
.field textarea[aria-invalid='true'] {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px rgba(204, 58, 58, 0.14);
}

.actions {
    display: flex;
    gap: var(--space-1);
    flex-wrap: wrap;
    margin-top: var(--space-2);
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 38px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    padding: 0 var(--space-2);
    font-size: var(--text-xs);
    font-weight: 620;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition:
        transform 0.2s ease,
        background-color 0.24s ease,
        border-color 0.24s ease,
        color 0.24s ease,
        box-shadow 0.24s ease,
        opacity 0.24s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(22, 42, 73, 0.1);
}

.btn:active {
    transform: translateY(0);
}

.btn:focus-visible,
.module-item:focus-visible,
.sidebar-search input:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(120, 164, 255, 0.36);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(
        180deg,
        var(--color-primary) 0%,
        var(--color-primary-strong) 100%
    );
}

.btn-primary:hover {
    background: linear-gradient(180deg, #3b6cff 0%, #2d55e4 100%);
}

.btn-secondary {
    color: #fff;
    background: linear-gradient(180deg, #2f6eff 0%, #2857cc 100%);
}

.btn-outline {
    color: var(--color-text);
    border-color: var(--color-border-strong);
    background: #fff;
}

.btn-outline:hover {
    background: #f5f8ff;
    border-color: #bfd0e6;
}

.btn-ghost {
    color: #bdd0e8;
    border-color: #314a67;
    background: transparent;
}

.btn-ghost:hover {
    color: #e8f1fc;
    background: #15314d;
}

.btn-danger {
    color: #fff;
    background: linear-gradient(
        180deg,
        #dc4a4a 0%,
        var(--color-danger-strong) 100%
    );
}

.btn-danger:hover {
    background: linear-gradient(180deg, #e45757 0%, #b23535 100%);
}

.btn.is-loading {
    pointer-events: none;
    opacity: 0.72;
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.58;
    transform: none;
    box-shadow: none;
}

.module-item {
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    padding: var(--space-1) var(--space-1);
    background: var(--color-sidebar-soft);
    color: var(--color-sidebar-text);
    text-align: left;
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition:
        background-color 0.22s ease,
        border-color 0.22s ease,
        transform 0.22s ease,
        color 0.22s ease;
}

.module-item:hover {
    border-color: #5f7ea4;
    background: #223c5b;
    transform: translateY(-1px);
}

.module-item.active {
    background: linear-gradient(180deg, #edf4ff 0%, #e3ecfb 100%);
    color: #122741;
    border-color: #c6d8f3;
    font-weight: 620;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    flex-wrap: wrap;
}

.table-header p {
    margin-top: 4px;
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    line-height: 1.45;
}

.table-header-right {
    display: flex;
    gap: var(--space-1);
    align-items: center;
    flex-wrap: wrap;
}

.table-wrap {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: auto;
    background: #fff;
    scroll-behavior: smooth;
}

table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
}

th,
td {
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-1);
    vertical-align: top;
    font-size: var(--text-xs);
    line-height: 1.4;
}

th {
    position: sticky;
    top: 0;
    z-index: 1;
    font-size: 0.76rem;
    font-weight: 650;
    letter-spacing: 0.02em;
    color: var(--color-text-muted);
    text-transform: uppercase;
    background: #f8fbff;
}

tbody tr:hover {
    background: #f4f8ff;
}

td code {
    color: #4c6182;
    font-size: var(--text-xs);
}

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

.row-check {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.table-state {
    padding: var(--space-4);
    color: var(--color-text-muted);
    text-align: center;
    font-size: var(--text-sm);
    line-height: 1.5;
}

.table-state.is-loading::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 8px;
    border: 2px solid #b9c9df;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    vertical-align: -2px;
    animation: spin 0.8s linear infinite;
}

.status-area {
    margin-top: var(--space-2);
    padding: var(--space-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    line-height: 1.45;
}

.status-area.error {
    border-color: #ebc4c4;
    background: #fff3f3;
    color: var(--color-danger);
}

/* Modals */
.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2);
    background: rgba(8, 18, 30, 0.58);
    backdrop-filter: blur(4px);
}

.modal {
    width: min(920px, 100%);
    max-height: calc(100dvh - 48px);
    overflow: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: #fff;
    padding: var(--space-2);
    box-shadow: var(--shadow-md);
    scroll-behavior: smooth;
}

.modal-wide {
    width: min(1160px, 100%);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    flex-wrap: wrap;
}

.modal-header h3 {
    font-size: var(--text-lg);
    font-weight: 640;
}

.log-panel {
    border: 1px solid #2b4564;
    border-radius: var(--radius-md);
    background: #0f2134;
    padding: var(--space-1);
    max-height: min(70vh, 700px);
    overflow: auto;
    scroll-behavior: smooth;
}

.log-panel .table-state {
    padding: var(--space-2);
    color: #b8cbe2;
}

.log-entry {
    border: 1px solid #2f4f72;
    border-radius: var(--radius-sm);
    background: #14304a;
    color: #dce9f7;
    padding: var(--space-1);
    margin-bottom: var(--space-1);
    font-size: var(--text-xs);
    line-height: 1.45;
}

.log-entry.error {
    border-color: #854040;
    background: #3a1e1e;
    color: #ffd9d9;
}

.log-entry .line-1 {
    display: flex;
    gap: var(--space-1);
    flex-wrap: wrap;
}

.log-entry .line-1 strong {
    color: #fff;
}

.log-entry .line-2 {
    margin-top: var(--space-1);
    word-break: break-word;
}

/* Scrollbars */
* {
    scrollbar-width: thin;
    scrollbar-color: #b7c6da #edf2fa;
}

*::-webkit-scrollbar {
    width: 9px;
    height: 9px;
}

*::-webkit-scrollbar-track {
    background: #edf2fa;
    border-radius: 999px;
}

*::-webkit-scrollbar-thumb {
    background: #b7c6da;
    border-radius: 999px;
    border: 2px solid #edf2fa;
}

*::-webkit-scrollbar-thumb:hover {
    background: #9fb2cb;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    body.sidebar-open .sidebar {
        transform: translateX(0);
    }

    .main-shell {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: inline-flex;
    }

    .sidebar-close {
        display: inline-flex;
    }

    .sidebar-overlay {
        opacity: 0;
        transition: opacity 0.26s ease;
    }

    body.sidebar-open .sidebar-overlay {
        opacity: 1;
    }

}

@media (max-width: 900px) {
    .topbar {
        flex-direction: column;
        align-items: stretch;
    }

    .topbar-right {
        justify-content: flex-start;
    }

    .grid.cols-3,
    .grid.cols-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .topbar,
    .main-content {
        padding: var(--space-2);
    }

    .card {
        padding: var(--space-2);
    }

    .actions .btn,
    .table-header-right .btn {
        flex: 1 1 100%;
    }

    .table-state {
        padding: var(--space-3);
    }
}

/* Utilities */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

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

@keyframes drift {
    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(-12px, 12px);
    }
}