/* ============================================================
   Admin Body
   ============================================================ */
body.admin-body {
    background-color: #f4f6f9;
    margin: 0;
    padding: 0;
    font-size: 14px;
}

@media (min-width: 768px) {
    body.admin-body {
        font-size: 15px;
    }
}

#wrapper {
    min-height: 100vh;
}

/* ============================================================
   Sidebar
   ============================================================ */
.sidebar {
    width: 240px;
    min-height: 100vh;
    background: #1a2035;
    color: white;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}

.sidebar-brand {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand span {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
    letter-spacing: 0.02em;
}

.sidebar-brand small {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.75rem;
}

.sidebar-nav .nav-link {
    color: rgba(255, 255, 255, 0.65);
    padding: 0.7rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    border-left: 3px solid transparent;
    transition: color 0.15s, background 0.15s;
    font-size: 0.9rem;
}

.sidebar-nav .nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.07);
}

.sidebar-nav .nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    border-left-color: #4e73df;
}

/* ============================================================
   Content Wrapper
   ============================================================ */
.content-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* Topbar */
.topbar {
    background: white;
    border-bottom: 1px solid #e3e6f0;
    padding: 0.6rem 1.5rem;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

/* Main content area */
.main-content {
    padding: 1.5rem;
    flex: 1;
}

/* ============================================================
   Login Page
   ============================================================ */
.login-wrapper {
    min-height: 100vh;
    background: linear-gradient(135deg, #1a2035 0%, #2c3e6b 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-card {
    background: white;
    border-radius: 12px;
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.login-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.login-brand h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1a2035;
    margin-bottom: 0.25rem;
}

.login-brand p {
    color: #6c757d;
    font-size: 0.875rem;
    margin: 0;
}

/* ============================================================
   Utilities
   ============================================================ */
.btn:focus,
.btn:active:focus,
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
}