body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: #f5f6fa;
}

/* Layout */
.bp-wrapper {
    display: flex;
    min-height: 100vh;
}

.bp-sidebar {
    width: 250px;
    background: #222831;
    color: #fff;
    display: flex;
    flex-direction: column;
}

.bp-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.bp-topbar {
    background: #f1f3f5;
    border-bottom: 1px solid #dee2e6;
    padding: 0.5rem 1rem;
}

.bp-topbar-title {
    font-weight: 600;
}

.bp-content {
    padding: 1rem 1.5rem 2rem;
}

/* Sidebar */
.bp-sidebar-brand {
    display: flex;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.bp-logo {
    background: #00a8ff;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.5rem;
    font-weight: 700;
}

.bp-brand-text {
    font-weight: 600;
    font-size: 0.95rem;
}

.bp-sidebar-user {
    display: flex;
    padding: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
}

.bp-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #393e46;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.6rem;
}

.bp-user-avatar i {
    font-size: 1rem;
}

.bp-user-name {
    font-weight: 600;
}

.bp-nav {
    margin-top: 0.5rem;
}

.bp-nav-link {
    display: block;
    padding: 0.55rem 1.1rem;
    color: #d1d5db;
    font-size: 0.9rem;
    text-decoration: none;
}

.bp-nav-link i {
    margin-right: 0.5rem;
    width: 16px;
    text-align: center;
}

.bp-nav-link:hover,
.bp-nav-link.active {
    background: #00a8ff;
    color: #fff;
}

/* Cards (top row) */
.bp-card {
    border-radius: 4px;
    padding: 0.8rem 1rem;
    color: #fff;
    height: 100%;
}

.bp-card-welcome {
    background: #f1b10f;
}

.bp-card-prepay {
    background: #27ae60;
}

.bp-card-unpaid {
    background: #149dd8;
}

.bp-card-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.bp-card-body {
    font-size: 0.85rem;
}

/* Call-in pin */
.bp-pin {
    background: #ffffff;
    border-left: 4px solid #27ae60;
    padding: 0.7rem 1rem;
    border-radius: 4px;
    font-weight: 500;
}

.bp-pin i {
    margin-right: 0.4rem;
}

.bp-pin-number {
    font-size: 1.1rem;
}

/* Service boxes */
.bp-service-box {
    background: #ffffff;
    border-radius: 4px;
    padding: 0.9rem 1rem;
    border: 1px solid #e5e7eb;
}

.bp-service-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.6rem;
}

.bp-service-title {
    font-weight: 600;
}

.bp-service-title i {
    margin-right: 0.35rem;
}

/* Auth pages */
.bp-auth-body {
    background: #222831;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.bp-auth-card {
    background: #ffffff;
    border-radius: 6px;
    max-width: 380px;
    margin: 2rem auto;
    padding: 1.5rem 1.8rem;
}

/* Small screens */
@media (max-width: 768px) {
    .bp-sidebar {
        position: fixed;
        left: -260px;
        top: 0;
        bottom: 0;
        z-index: 1000;
        transition: left .2s ease;
    }

    .bp-sidebar.open {
        left: 0;
    }
}