:root {
    --al-radius: 0.75rem;
    --al-transition: 150ms ease;
    --al-soft-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

body {
    font-family: "Source Sans 3", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-size: 14px;
}

.app-main {
    background: var(--bs-tertiary-bg);
}

.app-content-header h1 {
    letter-spacing: 0.2px;
}

.card {
    border: 0;
    border-radius: var(--al-radius);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.04);
    transition: box-shadow var(--al-transition);
}

.card:hover {
    box-shadow: var(--al-soft-shadow);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--bs-border-color-translucent);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding: 0.75rem 1rem;
}

.card-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.card-tools {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.table > :not(caption) > * > * {
    padding: 0.75rem;
    vertical-align: middle;
}

.table-hover > tbody > tr {
    transition: background-color var(--al-transition);
}

.table-hover > tbody > tr:hover > * {
    background-color: rgba(13, 110, 253, 0.05);
}

.navbar-search .form-control {
    min-width: 240px;
}

.small-box {
    border-radius: var(--al-radius);
    overflow: hidden;
    transition: transform var(--al-transition), box-shadow var(--al-transition);
}

.small-box:hover {
    transform: translateY(-2px);
    box-shadow: var(--al-soft-shadow);
}

.small-box .inner h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

.sidebar-brand .brand-text {
    font-weight: 600;
    letter-spacing: 0.2px;
}

.sidebar-menu .nav-link {
    border-radius: 0.5rem;
    margin: 1px 8px;
    transition: background-color var(--al-transition), color var(--al-transition);
}

.sidebar-menu .nav-link.active {
    background: rgba(255, 255, 255, 0.12);
    box-shadow: inset 3px 0 0 var(--bs-primary);
}

.badge {
    font-weight: 500;
    letter-spacing: 0.2px;
}

.badge-status-new { background: #ffc107; color: #1f2937; }
.badge-status-pending { background: #f59e0b; color: #1f2937; }
.badge-status-pool { background: #0dcaf0; color: #053b47; }
.badge-status-following { background: #0d6efd; color: #fff; }
.badge-status-quoted { background: #6366f1; color: #fff; }
.badge-status-negotiating { background: #8b5cf6; color: #fff; }
.badge-status-won { background: #198754; color: #fff; }
.badge-status-lost, .badge-status-invalid { background: #6c757d; color: #fff; }
.badge-status-rejected { background: #dc3545; color: #fff; }

.auth-page {
    min-height: 100vh;
    background: #f4f6f9;
    position: relative;
    overflow: hidden;
    padding: 2rem 1rem;
}

.auth-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(1200px 600px at 10% 0%, rgba(13, 110, 253, 0.18), transparent 60%),
        radial-gradient(900px 500px at 90% 100%, rgba(13, 202, 240, 0.15), transparent 60%),
        linear-gradient(180deg, #eef3fb 0%, #f7f9fc 100%);
}

.auth-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: radial-gradient(circle at 50% 40%, #000 0%, transparent 75%);
}

.login-box, .error-box {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 420px;
    margin: auto;
}

.login-card, .error-card {
    border-radius: 1rem;
    border: 1px solid rgba(15, 23, 42, 0.06);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.12);
    transition: transform var(--al-transition), box-shadow var(--al-transition);
}

.login-card:hover, .error-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 55px rgba(15, 23, 42, 0.16);
}

[data-bs-theme="dark"] .login-card,
[data-bs-theme="dark"] .error-card {
    background: rgba(33, 37, 41, 0.92);
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 0.6rem;
    background: linear-gradient(135deg, #0d6efd, #0dcaf0);
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.login-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.15rem;
    font-weight: 600;
}

.login-logo .brand-mark {
    width: 42px;
    height: 42px;
    font-size: 1rem;
}

.form-control, .form-select {
    border-radius: 0.55rem;
    padding: 0.55rem 0.75rem;
}

.input-group-text {
    border-radius: 0.55rem;
}

.btn {
    border-radius: 0.55rem;
    transition: transform var(--al-transition), box-shadow var(--al-transition), background-color var(--al-transition);
}

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

.front-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: #f6f8fb;
}

.front-header {
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    backdrop-filter: blur(8px);
}

.front-main {
    flex: 1;
}

.front-card {
    border-radius: 1rem;
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.hero-panel {
    border-radius: 1rem;
    color: #fff;
    background: linear-gradient(135deg, #0b5ed7 0%, #0d6efd 45%, #0dcaf0 100%);
    position: relative;
    overflow: hidden;
}

.hero-panel::after {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    right: -80px;
    bottom: -120px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
}

.batch-bar {
    position: sticky;
    bottom: 0;
    z-index: 5;
    border-radius: 0.75rem;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.08);
    padding: 0.65rem 1rem;
    display: none;
}

.batch-bar.show {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    animation: slideUp 180ms ease-out;
}

@keyframes slideUp {
    from { transform: translateY(12px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.timeline-item {
    position: relative;
    padding-left: 1.5rem;
    padding-bottom: 1rem;
    border-left: 2px solid var(--bs-border-color);
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -6px;
    top: 4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--bs-primary);
}

.timeline-item:last-child {
    border-left-color: transparent;
}

.channel-card .channel-icon {
    width: 42px;
    height: 42px;
    border-radius: 0.7rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: rgba(13, 110, 253, 0.1);
    color: #0d6efd;
}

.permission-tree,
.permission-tree ul {
    list-style: none;
    padding-left: 1.1rem;
    margin: 0;
}

.permission-tree > li {
    padding: 0.2rem 0;
}

.menu-arrow {
    transition: transform var(--al-transition);
}

@media (max-width: 991.98px) {
    .app-content-header h1 {
        font-size: 1.25rem;
    }

    .table-responsive-stack thead {
        display: none;
    }

    .table-responsive-stack tr {
        display: block;
        border-bottom: 1px solid var(--bs-border-color);
        padding: 0.5rem 0;
    }

    .table-responsive-stack td {
        display: flex;
        justify-content: space-between;
        gap: 1rem;
        border: 0;
        padding: 0.35rem 0.25rem;
    }

    .table-responsive-stack td::before {
        content: attr(data-label);
        color: var(--bs-secondary-color);
        font-size: 12px;
    }
}