:root{--primary: #2ec4d6;--primary-dark: #127a7f;--leaf: #2fa46a;--lemon: #f6d744;--dark: #0b0b0b;--muted: #f4f7f8;--sidebar-w: 260px;--radius: 8px}*{box-sizing:border-box}body{min-height:100vh;display:flex;font-family:Inter,Arial,sans-serif;background:var(--muted);color:var(--dark)}.sidebar{width:var(--sidebar-w);background:linear-gradient(180deg,var(--primary),var(--leaf));color:#fff;padding:1rem 0;display:flex;flex-direction:column}.sidebar .logo{font-family:Pacifico,cursive;font-size:1.6rem;line-height:1.2;color:#fff;padding:0 .75rem}.site-logo{max-width:220px;height:auto;display:inline-block}.sb-separator{border-top:1px solid rgba(255,255,255,.18);margin:0 .75rem}.sb-btn{display:flex;align-items:center;gap:.65rem;width:100%;padding:.55rem .9rem;border:0;background:none;color:#fffffff2;transition:background .15s;border-radius:6px;margin:.2rem 0}.sb-btn i{min-width:18px;text-align:center}.sb-btn.active,.sb-btn:hover:not(.disabled){background:#ffffff14;box-shadow:inset 0 0 0 1px #ffffff05}.sb-btn.disabled{opacity:.55;cursor:not-allowed}.content{flex:1;display:flex;flex-direction:column;background:linear-gradient(180deg,#fff,#fbfcfd)}header{background:linear-gradient(90deg,var(--dark),var(--primary-dark));color:#fff;padding:.85rem 1rem;display:flex;align-items:center;gap:1rem}header h5{margin:0;font-weight:600}main{padding:1.5rem}.card-theme{border-radius:var(--radius);box-shadow:0 6px 18px #0c12140f;border:0}.card-theme .card-header{background:linear-gradient(90deg,var(--primary),var(--leaf));color:#fff;border-radius:var(--radius) var(--radius) 0 0}.btn-primary-theme{background:var(--primary);border-color:transparent;color:#072023}.btn-accent{background:var(--lemon);color:var(--dark);border-color:transparent}.text-accent{color:var(--primary)}.muted{color:#6b7280}@media(max-width:991px){.sidebar{position:relative;width:100%;display:flex;flex-direction:row;overflow:auto}.content{margin-top:0}}.hero-bg{background-image:linear-gradient(#00000026,#0000000d),url(/img/tropical.jpg);background-size:cover;background-position:center;border-radius:var(--radius)}.form-control:focus{box-shadow:0 0 0 .15rem #2ec4d626;border-color:var(--primary-dark)}