body{min-height:100vh}.navbar-gradient{background:linear-gradient(135deg, #0f766e 0%, #0ea5e9 100%);box-shadow:0 4px 12px rgba(15,118,110,0.3)}[data-bs-theme=dark] .navbar-gradient{background:linear-gradient(135deg, #115e59 0%, #0c4a6e 100%);box-shadow:0 4px 12px rgba(6,182,212,0.2)}.welcome-hero{background:linear-gradient(135deg, var(--bs-primary), var(--bs-secondary))}#auth-card{max-width:600px;box-shadow:0 18px 55px rgba(var(--theme-accent-rgb), 0.18),0 10px 30px rgba(15,23,42,0.14);border:1px solid rgba(var(--theme-accent-rgb), 0.12);transition:box-shadow 0.2s ease, transform 0.2s ease}[data-bs-theme=dark] #auth-card{max-width:600px;background-color:rgba(17,24,39,0.9);border-color:rgba(var(--theme-accent-rgb), 0.25);box-shadow:0 18px 55px rgba(var(--theme-accent-rgb), 0.32),0 10px 26px rgba(0,0,0,0.25)}