cancertracker/frontend/css/estilos.css

:root{
    --primary:#4da3ff;
    --secondary:#7dd3fc;
    --success:#22c55e;
    --bg:#0b1220;
    --bg-soft:#111c2d;
    --card:#101b2d;
    --card-strong:#16243d;
    --text:#eaf3ff;
    --navy:#dfeafe;
    --muted:#9bb0d0;
    --border:#1d2f49;
    --shadow:0 20px 50px rgba(0, 0, 0, 0.45);
}

*{
    box-sizing:border-box;
    margin:0;
    padding:0;
}

body{
    font-family: 'Inter', Segoe UI, Arial, sans-serif;
    background:radial-gradient(circle at top, #11213d 0%, #0b1220 38%, #070d1a 100%);
    color:var(--text);
    padding:20px;
}

.container{
    max-width:1200px;
    margin:auto;
}

.page-shell{
    max-width:1280px;
    margin:0 auto;
}

.topbar{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    background:rgba(16, 27, 45, 0.9);
    border:1px solid var(--border);
    border-radius:18px;
    padding:18px 24px;
    box-shadow:var(--shadow);
    margin-bottom:32px;
}

.brand{
    display:flex;
    align-items:center;
    gap:12px;
    font-weight:700;
    color:var(--navy);
}

.brand-mark{
    width:36px;
    height:36px;
    border-radius:12px;
    background:linear-gradient(135deg, var(--primary), var(--secondary));
    color:#08101d;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1.1rem;
    box-shadow:0 12px 20px rgba(77, 163, 255, 0.35);
}

.topbar-nav{
    display:flex;
    align-items:center;
    gap:22px;
}

.topbar-nav a{
    text-decoration:none;
    color:var(--navy);
    font-weight:600;
    opacity:.8;
}

.topbar-nav a:hover{
    color:var(--secondary);
}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:12px 20px;
    border-radius:12px;
    font-weight:700;
    text-decoration:none;
    transition:all .2s ease;
    border:1px solid transparent;
    cursor:pointer;
}

.btn:hover{
    transform:translateY(-1px);
    box-shadow:0 10px 18px rgba(77, 163, 255, 0.2);
}

.btn-primary{
    background:linear-gradient(135deg, var(--primary), #5ea9ff);
    color:#08101d;
    box-shadow:0 10px 18px rgba(77, 163, 255, 0.28);
}

.btn-secondary{
    background:rgba(18, 31, 50, 0.9);
    color:var(--text);
    border-color:var(--border);
}

.hero{
    display:grid;
    grid-template-columns:1.2fr .8fr;
    gap:32px;
    align-items:center;
    padding:20px 0 28px;
}

.hero-copy{
    padding:20px 0;
}

.eyebrow{
    display:inline-block;
    background:rgba(77, 163, 255, 0.12);
    color:var(--secondary);
    padding:8px 12px;
    border:1px solid rgba(125, 211, 252, 0.28);
    border-radius:999px;
    font-size:.8rem;
    font-weight:700;
    letter-spacing:.04em;
    text-transform:uppercase;
    margin-bottom:18px;
}

h1{
    color:var(--navy);
    font-size:clamp(2.2rem, 4vw, 4rem);
    line-height:1.1;
    margin-bottom:18px;
}

.hero-copy p{
    font-size:1.08rem;
    line-height:1.7;
    color:var(--muted);
    max-width:620px;
}

.actions{
    display:flex;
    gap:16px;
    margin-top:26px;
    flex-wrap:wrap;
}

.mini-stats{
    list-style:none;
    display:flex;
    gap:24px;
    margin-top:28px;
    flex-wrap:wrap;
}

.mini-stats li{
    min-width:110px;
    background:rgba(19, 29, 46, 0.95);
    border:1px solid var(--border);
    border-radius:16px;
    padding:16px 18px;
    box-shadow:0 8px 20px rgba(0,0,0,0.15);
}

.mini-stats strong{
    display:block;
    color:var(--secondary);
    font-size:1.35rem;
    margin-bottom:6px;
}

.mini-stats span{
    color:var(--muted);
    font-size:.9rem;
}

.hero-panel{
    background:linear-gradient(180deg, #111d2e 0%, #0d1726 100%);
    border:1px solid var(--border);
    border-radius:24px;
    padding:24px;
    box-shadow:var(--shadow);
}

.panel-header{
    display:flex;
    align-items:center;
    gap:10px;
    font-weight:700;
    color:var(--navy);
    margin-bottom:18px;
}

.status-dot{
    width:10px;
    height:10px;
    border-radius:50%;
    background:var(--success);
    box-shadow:0 0 0 6px rgba(34, 197, 94, 0.15);
}

.panel-card{
    background:rgba(77, 163, 255, 0.08);
    border-radius:18px;
    padding:18px;
    border:1px solid rgba(77, 163, 255, 0.24);
    margin-bottom:22px;
}

.label{
    color:var(--muted);
    font-size:.8rem;
    margin-bottom:8px;
}

.panel-card h3{
    color:var(--text);
    font-size:1.7rem;
}

.panel-metrics{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:14px;
    margin-bottom:20px;
}

.panel-metrics div{
    background:rgba(17, 29, 46, 0.8);
    border:1px solid var(--border);
    border-radius:14px;
    padding:14px 12px;
}

.panel-metrics small{
    display:block;
    color:var(--muted);
    margin-bottom:8px;
}

.panel-metrics strong{
    color:var(--text);
    font-size:1rem;
}

.panel-progress{
    background:rgba(17, 29, 46, 0.8);
    border:1px solid var(--border);
    border-radius:14px;
    padding:14px;
}

.progress-labels{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    margin-bottom:10px;
    font-size:.9rem;
    color:var(--navy);
}

.progress-bar{
    background:#101a2b;
    height:12px;
    border-radius:999px;
    overflow:hidden;
    border:1px solid var(--border);
}

.progress-bar span{
    display:block;
    width:68%;
    height:100%;
    background:linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius:inherit;
}

.features{
    display:grid;
    grid-template-columns:repeat(3, minmax(0, 1fr));
    gap:24px;
    padding:20px 0 40px;
}

.feature-card{
    background:rgba(16, 27, 45, 0.96);
    border:1px solid var(--border);
    border-radius:20px;
    padding:26px 20px;
    box-shadow:0 12px 22px rgba(0,0,0,0.12);
}

.feature-card h2{
    color:var(--secondary);
    margin-bottom:12px;
    font-size:1.25rem;
}

.feature-card p{
    color:var(--muted);
    line-height:1.7;
}

@media (max-width: 900px){
    .hero{
        grid-template-columns:1fr;
    }

    .topbar{
        flex-wrap:wrap;
        justify-content:center;
    }

    .topbar-nav{
        order:3;
        width:100%;
        justify-content:center;
    }
}

@media (max-width: 640px){
    body{
        padding:14px;
    }

    .features{
        grid-template-columns:1fr;
    }

    .actions,
    .mini-stats{
        flex-direction:column;
    }

    .btn{
        width:100%;
    }
}

.card{
    background:var(--card);
    padding:20px;
    margin-bottom:20px;
    border-radius:12px;
    box-shadow:0 2px 8px rgba(0,0,0,.08);
}

h1, h2{
    margin-bottom:10px;
}

h2{
    margin-bottom:15px;
    color:#dfeafe;
}

.progress{
    display:flex;
    gap:8px;
    flex-wrap:wrap;
    margin:15px 0;
}

.session{
    width:40px;
    height:40px;
    border:2px solid var(--primary);
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    cursor:pointer;
    transition:.3s;
}

.session.completed{
    background:var(--success);
    color:white;
    border-color:var(--success);
}

table{
    width:100%;
    border-collapse:collapse;
    margin-top:10px;
}

th{
    background:var(--primary);
    color:#07111d;
}

th,td{
    border:1px solid var(--border);
    padding:10px;
    text-align:center;
    color:var(--text);
}

input[type="text"],
input[type="date"],
textarea,
select{
    width:100%;
    padding:8px;
    border:1px solid var(--border);
    border-radius:6px;
    background:rgba(13, 23, 38, 0.9);
    color:var(--text);
}

textarea{
    min-height:120px;
    resize:vertical;
}

.question{
    margin-bottom:10px;
}

small{
    display:block;
    margin-top:10px;
    color:var(--muted);
}