:root {
    --bs-body-font-size: 14px;
    --erp-primary: #0066ff;
    --erp-primary-dark: #0052cc;
    --erp-bg: #f0f4ff;
    --erp-sidebar: linear-gradient(180deg, #0a1628 0%, #0f1d3c 100%);
    --erp-card: #ffffff;
    --erp-text: #1f2937;
    --erp-muted: #64748b;
    --erp-border: #e2e8f0;
    --erp-shadow: 0 4px 20px rgba(0, 102, 255, 0.1);
}

body[data-erp-theme='dark'] {
    --erp-bg: #0f172a;
    --erp-card: #1e293b;
    --erp-text: #f1f5f9;
    --erp-muted: #94a3b8;
    --erp-border: #334155;
    --erp-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

body[data-erp-theme='dark'] .erp-quick-link {
    background: #1e293b;
}

.erp-chart-placeholder {
    min-height: 120px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: var(--erp-bg);
    color: var(--erp-text);
    font-size: var(--bs-body-font-size);
}

a {
    text-decoration: none;
}

.btn-primary {
    background-color: var(--erp-primary);
    border-color: var(--erp-primary);
}

.btn-primary:hover {
    background-color: var(--erp-primary-dark);
    border-color: var(--erp-primary-dark);
}

.erp-login-container {
    display: flex;
    min-height: 100vh;
    max-width: 1400px;
    margin: 0 auto;
}

.erp-login-left {
    flex: 1;
    background: linear-gradient(135deg, #0a1628 0%, #0f1d3c 50%, #0d1a30 100%);
    color: #fff;
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.erp-login-left::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.2) 0%, transparent 70%);
    top: -200px;
    right: -200px;
}

.erp-login-left::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
}

.erp-login-left-content {
    position: relative;
    z-index: 1;
    max-width: 500px;
}

.erp-login-logo {
    margin-bottom: 3rem;
}

.erp-login-logo-icon {
    width: 70px;
    height: 70px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #0066ff 0%, #00cc66 100%);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.erp-login-logo h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}

.erp-login-tagline {
    font-size: 1rem;
    opacity: 0.7;
    margin: 0;
}

.erp-login-features h3 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 1rem;
    line-height: 1.2;
}

.erp-login-features h3 span {
    color: #00a8ff;
}

.erp-login-features p {
    font-size: 1rem;
    opacity: 0.8;
    margin: 0 0 2rem;
    line-height: 1.6;
}

.erp-login-feature-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.erp-login-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.erp-login-feature-item i {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: rgba(0, 102, 255, 0.2);
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    flex-shrink: 0;
    color: #00a8ff;
}

.erp-login-feature-item strong {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.erp-login-feature-item span {
    font-size: 0.875rem;
    opacity: 0.7;
}

.erp-login-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.erp-auth-body {
    background: var(--erp-bg);
}

.erp-auth-card {
    width: 100%;
    max-width: 450px;
    background: #fff;
    padding: 2.5rem;
    border-radius: 1.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.erp-login-avatar {
    width: 90px;
    height: 90px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffffff 0%, #f0f4ff 100%);
    display: grid;
    place-items: center;
    font-size: 2.5rem;
    color: var(--erp-primary);
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.15);
}

.erp-login-btn {
    padding: 0.875rem;
    font-weight: 600;
    font-size: 1rem;
    gap: 0.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 4px 14px rgba(0, 102, 255, 0.3);
}

.erp-auth-divider {
    display: flex;
    align-items: center;
    margin: 1rem 0;
    color: var(--erp-muted);
}

.erp-auth-divider::before,
.erp-auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--erp-border);
}

.erp-auth-divider span {
    padding: 0 0.75rem;
    font-size: 0.875rem;
}

.erp-auth-note {
    background: #f8fafc;
    border: 1px solid var(--erp-border);
    padding: 0.875rem 1rem;
    border-radius: 0.75rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--erp-muted);
}

.erp-auth-note i {
    margin-right: 0.5rem;
    color: var(--erp-primary);
}

.erp-auth-note strong {
    color: var(--erp-primary);
}

.erp-login-footer {
    margin-top: 2rem;
    text-align: center;
    color: var(--erp-muted);
    font-size: 0.85rem;
}

.erp-login-footer i {
    color: #00cc66;
}

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

.erp-sidebar {
    width: 280px;
    background: var(--erp-sidebar);
    color: #f9fafb;
    padding: 1.5rem 1rem;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.erp-brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
    text-align: center;
    padding: 0.75rem;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 1rem;
}

.erp-brand-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--erp-primary), #00cc66);
    font-size: 1.25rem;
}

.erp-brand h1,
.erp-page-title,
.erp-card h3,
.erp-mini-card strong,
.erp-stat-value {
    margin: 0;
}

.erp-brand h1 {
    font-size: 1rem;
}

.erp-brand p,
.erp-page-label,
.erp-card p,
.erp-mini-card span,
.erp-mini-card small,
.erp-stat-label {
    margin: 0;
    color: var(--erp-muted);
}

.erp-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.825rem;
}

.erp-nav-section + .erp-nav-section {
    margin-top: 1rem;
}

.erp-nav-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    user-select: none;
    border-radius: 0.75rem;
    transition: background 0.2s ease;
}

.erp-nav-section-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.erp-nav-title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
}

.erp-nav-collapse-icon {
    transition: transform 0.2s ease;
}

.erp-nav-section.collapsed .erp-nav-collapse-icon {
    transform: rotate(-90deg);
}

.erp-nav-items {
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.erp-nav-section.collapsed .erp-nav-items {
    max-height: 0 !important;
}

.erp-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.8rem 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    border-radius: 0.85rem;
    margin-bottom: 0.3rem;
    transition: all 0.2s ease;
}

.erp-nav-link:hover,
.erp-nav-link.active {
    color: #ffffff;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.3), rgba(0, 102, 255, 0.1));
}

.erp-main {
    flex: 1;
    min-width: 0;
}

.erp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem 0;
}

.erp-page-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.erp-page-title {
    font-size: 1.75rem;
    font-weight: 700;
}

.erp-header-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.erp-content {
    padding: 1.5rem 2rem 2rem;
}

.erp-card,
.erp-stat-card,
.erp-mini-card {
    background: var(--erp-card);
    border: 1px solid var(--erp-border);
    box-shadow: var(--erp-shadow);
}

.erp-card,
.erp-stat-card {
    border-radius: 1.25rem;
    padding: 1.25rem;
}

.erp-mini-card {
    border-radius: 1rem;
    padding: 1rem;
    height: 100%;
}

.erp-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.erp-card-header h3 {
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
}

.erp-card-header p {
    font-size: 0.92rem;
}

.erp-stat-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.erp-stat-label {
    display: block;
    font-size: 0.92rem;
    margin-bottom: 0.35rem;
}

.erp-stat-value {
    font-size: 1.85rem;
    font-weight: 700;
}

.erp-stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    color: #fff;
    font-size: 1.25rem;
    background: linear-gradient(135deg, var(--erp-primary), #00cc66);
}

.erp-quick-links {
    display: grid;
    gap: 0.75rem;
}

.erp-quick-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.95rem 1rem;
    border: 1px solid var(--erp-border);
    border-radius: 1rem;
    color: var(--erp-text);
    background: #f8fbff;
}

.erp-step-list {
    display: grid;
    gap: 0.85rem;
}

.erp-step-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    background: #f8fbff;
    border-radius: 1rem;
    border: 1px solid var(--erp-border);
}

.erp-step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--erp-primary);
    flex-shrink: 0;
}

@media (max-width: 1199.98px) {
    .erp-login-left {
        display: none;
    }
}

@media (max-width: 991.98px) {
    .erp-sidebar {
        position: fixed;
        left: -280px;
        z-index: 1030;
        transition: left 0.2s ease;
    }

    .erp-sidebar.is-open {
        left: 0;
    }

    .erp-header,
    .erp-content {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .erp-login-right {
        padding: 1.5rem;
    }
}