:root {
    --primary-blue: #2563eb;
    --primary-blue-hover: #1d4ed8;
    --bg-light: #f8fafc;
    --border-gray: #e2e8f0;
    --text-main: #0f172a;
    --text-muted: #64748b;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
}

/* Glassmorphism Card Style */
.glass-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 10px 40px -10px rgba(37, 99, 235, 0.08);
    border-radius: 1.25rem;
}

/* Profile Navigation Links */
.profile-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: all 0.2s ease-in-out;
}

.profile-nav-link:hover {
    background-color: #f1f5f9;
    color: var(--primary-blue);
}

.profile-nav-active {
    background-color: #eff6ff;
    color: var(--primary-blue) !important;
    box-shadow: inset 3px 0 0 var(--primary-blue);
}

/* Custom Input Boxes */
.info-box {
    width: 100%;
    padding: 0.875rem 1rem;
    background-color: #f8fafc;
    border: 1px solid var(--border-gray);
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.2s;
}

.info-box:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Base Logout Button */
.btn-logout {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background-color: #fee2e2;
    color: #dc2626;
    border-radius: 0.75rem;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    transition: all 0.2s ease;
    border: border border-transparent;
}

.btn-logout:hover {
    background-color: #fecaca;
    color: #b91c1c;
}

.btn-logout:active {
    transform: scale(0.97);
}

/* User Dashboard Profile Styles (profile.php, changepass.php, ...) */
.profile-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 1.5rem;
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #64748b;
    border-radius: 0.5rem;
    transition: all 0.2s;
    margin-bottom: 0.25rem;
}

.nav-item:hover {
    background-color: #f8fafc;
    color: #334155;
}

.nav-item.active {
    color: #2563eb;
    background-color: #eff6ff;
    border-left: 3px solid #2563eb;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.nav-item.logout {
    color: #ef4444;
    margin-top: 0.5rem;
}

.nav-item.logout:hover {
    background-color: #fef2f2;
}