:root {
    --dashboard-bg: #0b111b;
    --dashboard-panel: #121b29;
    --dashboard-panel-raised: #182436;
    --dashboard-border: rgba(148, 163, 184, 0.16);
    --dashboard-text: #e5edf7;
    --dashboard-muted: #91a1b5;
    --dashboard-accent: #55d6be;
    --dashboard-accent-strong: #2bb89e;
    --dashboard-warning: #f6c85f;
    --dashboard-danger: #ff7080;
    --dashboard-shadow: 0 18px 50px rgba(0, 0, 0, 0.24);
}

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

body {
    background: var(--dashboard-bg) !important;
    background-image: radial-gradient(circle at 12% 0%, rgba(85, 214, 190, 0.1), transparent 34%),
        radial-gradient(circle at 92% 12%, rgba(73, 111, 180, 0.13), transparent 30%) !important;
    color: var(--dashboard-text) !important;
    font-family: "Segoe UI", Arial, sans-serif;
}

#page-content-wrapper {
    background: transparent;
}

#sidebar-wrapper {
    background: rgba(13, 20, 32, 0.94);
    border-right: 1px solid var(--dashboard-border);
    box-shadow: 12px 0 36px rgba(0, 0, 0, 0.16);
}

#sidebar-wrapper .sidebar-heading {
    color: var(--dashboard-text);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 1.5rem 1.35rem 1.1rem;
}

#sidebar-wrapper > span {
    display: block;
    padding: 0 0.85rem 1rem;
}

#sidebar-wrapper > span a {
    background: transparent;
    border: 0;
    color: var(--dashboard-muted);
    font-size: 0.76rem;
    padding: 0.35rem 0.5rem;
}

#sidebar-wrapper .list-group {
    gap: 0.35rem;
    padding: 0 0.85rem;
    width: auto;
}

#sidebar-wrapper .list-group-item {
    background: transparent;
    border: 0;
    border-radius: 8px;
    color: var(--dashboard-muted);
    font-size: 0.88rem;
    padding: 0.75rem 0.8rem;
    transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

#sidebar-wrapper .list-group-item:hover,
#sidebar-wrapper .list-group-item:focus {
    background: rgba(85, 214, 190, 0.1);
    color: var(--dashboard-text);
    transform: translateX(2px);
}

#sidebar-wrapper .list-group-item i {
    color: var(--dashboard-accent);
    width: 1.3rem;
}

.navbar {
    background: rgba(11, 17, 27, 0.78);
    border-bottom: 1px solid var(--dashboard-border);
    min-height: 4.4rem;
    padding: 0.8rem 1.5rem;
}

#menu-toggle {
    align-items: center;
    background: var(--dashboard-panel-raised);
    border: 1px solid var(--dashboard-border);
    border-radius: 8px;
    display: inline-flex;
    height: 2.35rem;
    justify-content: center;
    padding: 0.35rem;
    width: 2.35rem;
}

#menu-toggle:hover {
    background: rgba(85, 214, 190, 0.14);
    border-color: rgba(85, 214, 190, 0.45);
}

.navbar .btn-danger {
    background: transparent;
    border: 1px solid rgba(255, 112, 128, 0.45);
    border-radius: 7px;
    color: #ff9aa5;
    font-size: 0.8rem;
    font-weight: 600;
}

.navbar .btn-danger:hover {
    background: rgba(255, 112, 128, 0.12);
}

.container-fluid {
    max-width: 1560px;
    padding: 1.5rem 1.75rem 3rem;
}

.login-shell {
    padding-top: 3rem;
}

.login-panel {
    background: rgba(18, 27, 41, 0.94);
    border: 1px solid var(--dashboard-border);
    border-radius: 12px;
    box-shadow: var(--dashboard-shadow);
    padding: 2rem;
}

.login-panel img {
    max-height: 150px;
    object-fit: contain;
}

.login-panel .btn-warning {
    background: var(--dashboard-accent) !important;
    border-color: var(--dashboard-accent) !important;
    color: #061411 !important;
    font-weight: 700;
}

.card,
.card.bg-primary {
    background: var(--dashboard-panel) !important;
    border: 1px solid var(--dashboard-border) !important;
    border-radius: 12px;
    box-shadow: var(--dashboard-shadow);
    color: var(--dashboard-text) !important;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.card-body {
    padding: 1.35rem;
}

.card-header,
.card-header-warning {
    background: transparent !important;
    border-bottom: 1px solid var(--dashboard-border) !important;
    color: var(--dashboard-text) !important;
    padding: 1.2rem 1.35rem;
}

.card-header h2 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    margin: 0;
}

.card-header i {
    color: var(--dashboard-accent);
    margin-right: 0.4rem;
}

.table-responsive {
    border: 1px solid var(--dashboard-border);
    border-radius: 9px;
}

table {
    margin-bottom: 0 !important;
}

.table {
    color: var(--dashboard-text);
}

.table thead th {
    background: rgba(148, 163, 184, 0.06);
    border-bottom: 1px solid var(--dashboard-border) !important;
    color: var(--dashboard-muted) !important;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    padding: 0.8rem;
    text-transform: uppercase;
    white-space: nowrap;
}

.table td {
    border-top: 1px solid rgba(148, 163, 184, 0.1) !important;
    color: var(--dashboard-text);
    padding: 0.85rem 0.8rem;
    vertical-align: middle;
}

.table-striped tbody tr:nth-of-type(odd) {
    background: rgba(148, 163, 184, 0.025);
}

.table tbody tr:hover {
    background: rgba(85, 214, 190, 0.055);
}

.sort-handle {
    color: var(--dashboard-muted);
    cursor: grab;
    display: inline-block;
    padding: 0.35rem;
}

.sort-handle:active {
    cursor: grabbing;
}

.sortable-ghost {
    background: rgba(85, 214, 190, 0.12) !important;
    outline: 1px dashed rgba(85, 214, 190, 0.6);
}

.form-control,
.custom-select,
select {
    background: #0d1623 !important;
    border: 1px solid var(--dashboard-border) !important;
    border-radius: 7px;
    color: var(--dashboard-text) !important;
}

.form-control:focus,
.custom-select:focus,
select:focus {
    border-color: rgba(85, 214, 190, 0.7) !important;
    box-shadow: 0 0 0 0.2rem rgba(85, 214, 190, 0.12) !important;
}

label,
.form-check-label,
small {
    color: var(--dashboard-muted);
}

.btn {
    border-radius: 7px;
    font-size: 0.82rem;
    font-weight: 600;
    transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

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

.btn-info,
.btn-primary,
.copy-btn,
.download-link {
    background: var(--dashboard-accent-strong) !important;
    border-color: var(--dashboard-accent-strong) !important;
    color: #061411 !important;
}

.btn-info:hover,
.btn-primary:hover,
.copy-btn:hover,
.download-link:hover {
    background: var(--dashboard-accent) !important;
    border-color: var(--dashboard-accent) !important;
}

.btn-secondary {
    background: var(--dashboard-panel-raised);
    border-color: var(--dashboard-border);
    color: var(--dashboard-text);
}

.btn-danger {
    background: rgba(255, 112, 128, 0.13);
    border-color: rgba(255, 112, 128, 0.45);
    color: #ff9aa5;
}

.dropzone {
    background: rgba(85, 214, 190, 0.035) !important;
    border: 1px dashed rgba(85, 214, 190, 0.55) !important;
    border-radius: 10px;
    min-height: 220px;
}

.dropzone:hover {
    background: rgba(85, 214, 190, 0.07) !important;
}

.download-link {
    align-items: center;
    display: inline-flex;
    gap: 0.4rem;
}

.download-link.is-loading {
    cursor: wait;
    opacity: 0.78;
    pointer-events: none;
}

.download-spinner,
.download-link.is-loading i {
    animation: dashboard-spin 0.8s linear infinite;
    display: inline-block;
}

.download-spinner {
    border: 2px solid rgba(6, 20, 17, 0.25);
    border-radius: 50%;
    border-top-color: #061411;
    height: 0.9rem;
    width: 0.9rem;
}

@keyframes dashboard-spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 767px) {
    .container-fluid {
        padding: 1rem 0.8rem 2rem;
    }

    .navbar {
        padding: 0.75rem 0.85rem;
    }

    .card-body {
        padding: 0.9rem;
    }
}