:root {
    --bg: #f3f6fb;
    --surface: rgba(255, 255, 255, 0.92);
    --surface-strong: #ffffff;
    --surface-alt: #eef4ff;
    --primary: #0f172a;
    --accent: #0ea5e9;
    --accent-2: #14b8a6;
    --text: #0f172a;
    --muted: #64748b;
    --border: #e2e8f0;
    --topbar: rgba(15, 23, 42, 0.95);
    --hero-start: rgba(15, 23, 42, 0.96);
    --hero-end: rgba(14, 165, 233, 0.82);
    --shadow: 0 20px 45px rgba(15, 23, 42, 0.12);
}

:root[data-theme="dark"] {
    --bg: #09111f;
    --surface: rgba(15, 23, 42, 0.92);
    --surface-strong: #0f172a;
    --surface-alt: #142033;
    --primary: #e2e8f0;
    --accent: #38bdf8;
    --accent-2: #2dd4bf;
    --text: #e5eefb;
    --muted: #94a3b8;
    --border: rgba(148, 163, 184, 0.18);
    --topbar: rgba(2, 6, 23, 0.92);
    --hero-start: rgba(2, 6, 23, 0.96);
    --hero-end: rgba(8, 145, 178, 0.78);
    --shadow: 0 24px 60px rgba(2, 6, 23, 0.45);
}

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

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: radial-gradient(circle at top left, rgba(20, 184, 166, 0.12), transparent 30%), radial-gradient(circle at top right, rgba(14, 165, 233, 0.16), transparent 28%), var(--bg);
    color: var(--text);
    transition: background-color 0.25s ease, color 0.25s ease;
}

.app-shell .topbar {
    background: var(--topbar);
    backdrop-filter: blur(12px);
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    padding: 0;
}

.brand-logo-image {
    height: 56px;
    width: auto;
    display: block;
}

.navbar .nav-link {
    color: rgba(255, 255, 255, 0.82);
    font-weight: 500;
}

.navbar .nav-link.active,
.navbar .nav-link:hover {
    color: #ffffff;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-icon-light {
    display: none;
}

:root[data-theme="dark"] .theme-icon-dark {
    display: none;
}

:root[data-theme="dark"] .theme-icon-light {
    display: inline-block;
}

.hero-panel,
.stat-card,
.card,
.login-card {
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.hero-panel {
    background: linear-gradient(135deg, var(--hero-start), var(--hero-end));
    color: #fff;
    padding: 32px;
}

.eyebrow {
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-2);
    font-weight: 700;
}

.hero-panel .eyebrow {
    color: #7dd3fc;
}

.hero-panel .text-secondary {
    color: rgba(255, 255, 255, 0.8) !important;
}

.stat-card {
    background: linear-gradient(180deg, var(--surface-strong), var(--surface-alt));
}

.stat-label {
    display: block;
    color: var(--muted);
    margin-bottom: 12px;
}

.stat-card h3 {
    font-size: 2rem;
    margin: 0;
}

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.list-item:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.priority-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

.priority-item:first-child {
    padding-top: 0;
}

.priority-item:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.card,
.login-card {
    background: var(--surface);
    border: 1px solid var(--border) !important;
}

.card-header,
.card-body,
.card-footer,
.table,
.table td,
.table th,
.form-label,
.text-body,
.alert {
    color: var(--text);
}

.card-header {
    background: transparent !important;
}

.text-secondary,
.table thead th,
.small,
.form-text {
    color: var(--muted) !important;
}

.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text);
    --bs-table-border-color: var(--border);
    margin-bottom: 0;
}

.table thead th {
    font-weight: 600;
    border-bottom-width: 1px;
}

.table td,
.table th {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.progress {
    height: 12px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--border) 70%, transparent);
}

.progress-bar {
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-wrapper {
    width: min(100%, 1080px);
    min-height: 720px;
    display: grid;
    place-items: center;
}

.login-card {
    width: min(100%, 540px);
}

.form-control,
.form-select {
    border-radius: 12px;
    border-color: var(--border);
    padding: 0.8rem 1rem;
    background: var(--surface-strong);
    color: var(--text);
}

.form-control:focus,
.form-select:focus {
    background: var(--surface-strong);
    color: var(--text);
    border-color: rgba(14, 165, 233, 0.5);
    box-shadow: 0 0 0 0.25rem rgba(14, 165, 233, 0.16);
}

.form-control::placeholder {
    color: var(--muted);
}

.btn {
    border-radius: 12px;
}

.btn-light {
    background: var(--surface-alt);
    border-color: var(--border);
    color: var(--text);
}

.btn-outline-secondary {
    color: var(--text);
    border-color: var(--border);
}

.app-modal .modal-content {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.app-modal .modal-header,
.app-modal .modal-body,
.app-modal .modal-footer {
    background: transparent;
    color: var(--text);
    border-color: var(--border);
}

.app-modal .btn-close {
    filter: var(--modal-close-filter, none);
}

:root[data-theme="dark"] .app-modal .btn-close {
    filter: invert(1) grayscale(100%);
}

.pagination {
    --bs-pagination-bg: var(--surface-strong);
    --bs-pagination-border-color: var(--border);
    --bs-pagination-color: var(--text);
    --bs-pagination-hover-bg: var(--surface-alt);
    --bs-pagination-hover-border-color: var(--border);
    --bs-pagination-hover-color: var(--text);
    --bs-pagination-active-bg: var(--accent);
    --bs-pagination-active-border-color: var(--accent);
}

.alert-success {
    background: rgba(34, 197, 94, 0.12);
    border-color: rgba(34, 197, 94, 0.28);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.28);
}

@media (max-width: 991px) {
    .brand-logo-image {
        height: 46px;
    }

    .header-actions {
        padding-top: 1rem;
    }
}

@media (max-width: 768px) {
    .hero-panel {
        padding: 24px;
    }

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

    .theme-label {
        display: none;
    }
}