:root {
    --azul: #0b5fa5;
    --azul-escuro: #063a68;
    --azul-claro: #e8f1fb;
    --verde: #1a8a5f;
    --vermelho: #c0392b;
    --amarelo: #b8860b;
    --cinza-100: #f5f7fa;
    --cinza-200: #e7ebf0;
    --cinza-400: #b7c0cb;
    --cinza-600: #6b7684;
    --cinza-900: #1f2937;
    --branco: #ffffff;
    --sombra: 0 1px 3px rgba(15, 30, 60, 0.12);
    --raio: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--cinza-100);
    color: var(--cinza-900);
    line-height: 1.45;
}

a { color: var(--azul); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 20px 60px;
}

.container-estreito { max-width: 480px; margin: 0 auto; padding: 40px 20px; }

/* Cabeçalho */
.topbar {
    background: var(--azul-escuro);
    color: var(--branco);
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--sombra);
}
.topbar .marca { font-weight: 700; font-size: 1.1rem; color: var(--branco); }
.topbar .marca:hover { text-decoration: none; opacity: .9; }
.topbar nav a { color: #cfe3f7; margin-left: 18px; font-size: .92rem; }
.topbar nav a:hover { color: var(--branco); }

/* Cards */
.card {
    background: var(--branco);
    border: 1px solid var(--cinza-200);
    border-radius: var(--raio);
    padding: 20px;
    margin-bottom: 18px;
    box-shadow: var(--sombra);
}
.card h2, .card h3 { margin-top: 0; }

.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}
.caso-card { display: block; background: var(--branco); border: 1px solid var(--cinza-200);
    border-radius: var(--raio); padding: 16px; box-shadow: var(--sombra); color: inherit; }
.caso-card:hover { border-color: var(--azul); text-decoration: none; }
.caso-card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.caso-card .meta { color: var(--cinza-600); font-size: .85rem; }

/* Formulários */
label { display: block; font-weight: 600; font-size: .88rem; margin: 12px 0 4px; }
input[type=text], input[type=email], input[type=password], input[type=number],
textarea, select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--cinza-400);
    border-radius: 8px;
    font-size: .95rem;
    font-family: inherit;
    background: var(--branco);
}
textarea { resize: vertical; min-height: 80px; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--azul); outline-offset: 1px; }

.btn {
    display: inline-block;
    background: var(--azul);
    color: var(--branco);
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: .92rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}
.btn:hover { background: var(--azul-escuro); text-decoration: none; color: var(--branco); }
.btn-secundario { background: var(--cinza-200); color: var(--cinza-900); }
.btn-secundario:hover { background: var(--cinza-400); color: var(--cinza-900); }
.btn-perigo { background: var(--vermelho); }
.btn-perigo:hover { background: #96291d; }
.btn-pequeno { padding: 5px 10px; font-size: .8rem; }
.btn-bloco { width: 100%; }

.linha-acoes { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }

/* Flash */
.flash-container { position: fixed; top: 14px; right: 14px; z-index: 999; display: flex; flex-direction: column; gap: 8px; }
.flash { padding: 10px 16px; border-radius: 8px; font-size: .9rem; box-shadow: var(--sombra); color: var(--branco); }
.flash-success { background: var(--verde); }
.flash-danger { background: var(--vermelho); }
.flash-warning { background: var(--amarelo); }

/* Badges */
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .75rem; font-weight: 600; }
.badge-radiografia { background: #e6f0ff; color: var(--azul-escuro); }
.badge-ultrassonografia { background: #eaf7ef; color: var(--verde); }
.badge-misto { background: #f4ecfb; color: #6d3aa0; }
.badge-publicado { background: #eaf7ef; color: var(--verde); }
.badge-rascunho { background: var(--cinza-200); color: var(--cinza-600); }
.badge-ao-vivo { background: var(--vermelho); color: var(--branco); animation: pulsar 1.6s infinite; }
@keyframes pulsar { 0%,100% { opacity: 1; } 50% { opacity: .6; } }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--cinza-200); font-size: .9rem; }
th { color: var(--cinza-600); font-weight: 600; }

.token-box { background: var(--azul-claro); border: 1px dashed var(--azul); padding: 12px 14px;
    border-radius: 8px; font-family: monospace; font-size: .95rem; word-break: break-all; }

.vazio { color: var(--cinza-600); font-style: italic; padding: 20px 0; text-align: center; }

/* --- Viewer de mídia (imagem/vídeo) com camada de anotação --- */
.midia-viewer {
    position: relative;
    background: #000;
    border-radius: var(--raio);
    overflow: hidden;
    max-width: 100%;
    line-height: 0;
    user-select: none;
    -webkit-user-select: none;
}
.midia-viewer img, .midia-viewer video {
    display: block;
    width: 100%;
    height: auto;
    max-height: 70vh;
    pointer-events: none;
    -webkit-user-drag: none;
}
.midia-viewer canvas.camada-anotacao {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    touch-action: none;
    cursor: crosshair;
}
.midia-viewer .marca-dagua {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 5;
    opacity: .28;
    display: flex;
    flex-wrap: wrap;
    align-content: space-around;
    justify-content: space-around;
    transform: rotate(-28deg) scale(1.3);
}
.midia-viewer .marca-dagua span {
    color: #fff;
    font-size: .78rem;
    font-weight: 600;
    white-space: nowrap;
    text-shadow: 0 0 3px rgba(0,0,0,.8);
    margin: 10px 18px;
}
.midia-viewer .aviso-sem-foco {
    position: absolute; inset: 0; z-index: 6;
    background: rgba(5, 10, 20, .92);
    color: #fff;
    display: none;
    align-items: center; justify-content: center;
    text-align: center; font-size: .95rem; padding: 20px;
}
.midia-viewer.sem-foco .aviso-sem-foco { display: flex; }

.barra-ferramentas {
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
    background: var(--cinza-900); padding: 8px 10px; border-radius: 8px 8px 0 0;
}
.barra-ferramentas button {
    background: #33404f; color: #fff; border: 1px solid #4a5a6d;
    padding: 6px 10px; border-radius: 6px; cursor: pointer; font-size: .85rem;
}
.barra-ferramentas button.ativo { background: var(--azul); border-color: var(--azul); }
.barra-ferramentas button:hover { background: #46586c; }
.barra-ferramentas input[type=color] { width: 30px; height: 30px; border: none; padding: 0; background: none; cursor: pointer; }
.barra-ferramentas .espaco { flex: 1; }

.miniaturas { display: flex; gap: 8px; overflow-x: auto; padding: 10px 0; }
.miniaturas .miniatura {
    flex: 0 0 auto; width: 84px; height: 60px; border-radius: 6px; overflow: hidden;
    border: 2px solid transparent; cursor: pointer; background: #000; position: relative;
}
.miniaturas .miniatura img, .miniaturas .miniatura video { width: 100%; height: 100%; object-fit: cover; }
.miniaturas .miniatura.ativa { border-color: var(--azul); }
.miniaturas .miniatura .icone-video { position: absolute; bottom: 2px; right: 4px; color: #fff; font-size: .8rem; }

.comentarios { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.comentario { background: var(--cinza-100); border-radius: 8px; padding: 10px 12px; font-size: .88rem; }
.comentario .autor { font-weight: 700; margin-right: 6px; }
.comentario.autor-professor { border-left: 3px solid var(--azul); }

.console-live { display: grid; grid-template-columns: 1fr 260px; gap: 18px; align-items: start; }
.painel-lateral { background: var(--branco); border: 1px solid var(--cinza-200); border-radius: var(--raio); padding: 16px; }
.lista-presenca { list-style: none; padding: 0; margin: 8px 0 0; max-height: 260px; overflow-y: auto; }
.lista-presenca li { padding: 5px 0; border-bottom: 1px solid var(--cinza-200); font-size: .85rem; }

.otp-input {
    font-size: 1.6rem; letter-spacing: .5rem; text-align: center; font-family: monospace;
}

@media (max-width: 760px) {
    .console-live { grid-template-columns: 1fr; }
}