:root {
    --brand-dark: #0d3b66;
    --brand-light: #f8fafc;
    --accent: #0284c7;
}

body { background-color: var(--brand-light); font-family: 'Segoe UI', sans-serif; }

.login-card {
    max-width: 380px; width: 100%; background: #ffffff; border-radius: 12px;
    border: 1px solid #e2e8f0; box-shadow: 0 10px 25px rgba(0,0,0,0.03);
    overflow: hidden; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.login-header-compact { background: linear-gradient(135deg, var(--brand-dark), #1a4d7a); padding: 1.5rem; }

.form-control { border-radius: 10px; border: 1px solid #cbd5e1; transition: 0.3s; }
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(2, 132, 199, 0.1); }

.btn-toggle-pass { position: absolute; top: 50%; right: 12px; transform: translateY(-50%); border: none; background: transparent; z-index: 5; }

.btn-login { background-color: var(--brand-dark); color: white; border: none; border-radius: 10px; transition: 0.3s; }
.btn-login:not(:disabled) { animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(13, 59, 102, 0.4); } 70% { box-shadow: 0 0 0 8px rgba(13, 59, 102, 0); } }

.animate-entrance { animation: entrance 0.6s ease-out; }
@keyframes entrance { from { opacity: 0; transform: scale(0.97) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }

.animate-exit { opacity: 0 !important; transform: scale(0.95) translateY(-10px) !important; filter: blur(8px); pointer-events: none; }

.footer-dental { background-color: var(--brand-dark); }
.loading-overlay { position: fixed; inset: 0; background: rgba(13, 59, 102, 0.85); backdrop-filter: blur(5px); display: none; place-items: center; z-index: 9999; }
.loading-overlay.show { display: grid; }