/* NutriTrack: same palette as NutriDesk, laid out for a phone */
:root {
	--fondo: #0f1d17;
	--superficie: #16291f;
	--superficie-2: #1c3428;
	--borde: #2a4637;
	--texto: #e4eee6;
	--suave: #93ab9b;
	--salvia: #d9e6d6;
	--salvia-texto: #1d3226;
	--acento: #7bd88f;
	--acento-oscuro: #3f9a5a;
	--peligro: #e07a6b;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { color-scheme: dark; }
body {
	margin: 0; min-height: 100vh;
	font-family: "Inter", "Segoe UI", system-ui, sans-serif;
	background: var(--fondo); color: var(--texto);
}
[hidden] { display: none !important; }

button {
	font: inherit; border: 0; border-radius: 999px; padding: 0.7rem 1.2rem;
	background: var(--superficie-2); color: var(--texto); cursor: pointer;
}
button.acento { background: var(--acento); color: #0d2216; font-weight: 700; }
button.icono { background: transparent; padding: 0.4rem 0.6rem; font-size: 1.2rem; color: var(--salvia-texto); }
input {
	font: inherit; color: var(--texto); background: var(--superficie-2);
	border: 1px solid var(--borde); border-radius: 12px; padding: 0.8rem 1rem;
}
input:focus { outline: 2px solid var(--acento-oscuro); }
.error { color: var(--peligro); }

/* ---- entry ---- */
#entrada {
	min-height: 100vh; display: flex; flex-direction: column; justify-content: center;
	gap: 2rem; padding: 2rem 1.5rem;
	background: linear-gradient(var(--salvia) 0 38%, var(--fondo) 38%);
}
.logo { text-align: center; color: var(--salvia-texto); }
.logo svg { width: 64px; height: 64px; fill: var(--acento-oscuro); }
.logo h1 { margin: 0.3rem 0 0; font-size: 2.2rem; letter-spacing: -0.02em; }
.logo p { margin: 0.2rem 0 0; opacity: 0.7; }
#form-codigo {
	display: flex; flex-direction: column; gap: 0.8rem;
	background: var(--superficie); border: 1px solid var(--borde); border-radius: 18px; padding: 1.4rem;
}
#form-codigo label { color: var(--suave); font-size: 0.9rem; }
#codigo { text-align: center; font-size: 1.5rem; letter-spacing: 0.2em; text-transform: uppercase; font-variant-numeric: tabular-nums; }
.pista { text-align: center; color: var(--suave); font-size: 0.85rem; }

/* ---- header ---- */
#cabecera {
	position: relative; background: var(--salvia); color: var(--salvia-texto);
	padding: calc(1rem + env(safe-area-inset-top)) 1.2rem 3rem;
}
.saludo { display: flex; align-items: center; gap: 0.8rem; }
.saludo > div:nth-child(2) { flex: 1; }
.saludo h1 { margin: 0; font-size: 1.5rem; letter-spacing: -0.01em; }
.pequeno { font-size: 0.85rem; opacity: 0.7; }
.avatar {
	width: 52px; height: 52px; border-radius: 50%; object-fit: cover;
	display: grid; place-items: center; font-weight: 700;
	background: linear-gradient(135deg, var(--acento-oscuro), #22543a); color: #e9f7ec;
}
.tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.8rem; }
.tag {
	font-size: 0.75rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: 999px;
	background: rgba(29, 50, 38, 0.1); color: var(--salvia-texto);
}
.onda { position: absolute; left: 0; bottom: -1px; width: 100%; height: 44px; }
.onda .relleno { fill: var(--fondo); transform: scaleY(-1); transform-origin: center; }
.onda .trazo { fill: none; stroke: var(--acento); stroke-width: 2.5; transform: scaleY(-1); transform-origin: center; vector-effect: non-scaling-stroke; }

main { padding: 0.6rem 1rem calc(6rem + env(safe-area-inset-bottom)); }

/* ---- today ---- */
.anillo { display: flex; align-items: center; gap: 1rem; background: var(--superficie); border: 1px solid var(--borde); border-radius: 18px; padding: 1rem; margin-bottom: 1rem; }
.anillo b { font-size: 1.8rem; display: block; }
.anillo span { color: var(--suave); font-size: 0.85rem; }
.macros { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; margin-bottom: 1rem; }
.macro { background: var(--superficie); border: 1px solid var(--borde); border-radius: 14px; padding: 0.7rem; text-align: center; }
.macro b { display: block; font-size: 1.2rem; }
.macro span { color: var(--suave); font-size: 0.75rem; }

.comida { background: var(--superficie); border: 1px solid var(--borde); border-radius: 18px; margin-bottom: 0.9rem; overflow: hidden; }
.comida summary { list-style: none; display: flex; justify-content: space-between; align-items: center; padding: 0.9rem 1rem; cursor: pointer; }
.comida summary::-webkit-details-marker { display: none; }
.comida summary h2 { margin: 0; font-size: 1.05rem; }
.comida summary span { color: var(--acento); font-weight: 700; font-size: 0.9rem; }
.alimento { display: flex; justify-content: space-between; gap: 0.6rem; padding: 0.6rem 1rem; border-top: 1px solid var(--borde); }
.alimento .g { color: var(--suave); white-space: nowrap; }
.vacio { text-align: center; color: var(--suave); padding: 2rem 1rem; }

/* ---- weight ---- */
.tarjeta { background: var(--superficie); border: 1px solid var(--borde); border-radius: 18px; padding: 1.1rem; margin-bottom: 1rem; }
.peso-actual { display: flex; align-items: baseline; justify-content: space-between; }
.peso-actual b { font-size: 2.4rem; }
.delta { font-weight: 800; font-size: 1.1rem; }
.delta.baja { color: var(--acento); }
.delta.sube { color: #f0b75e; }
.delta.igual { color: var(--suave); }
.grafica { width: 100%; height: 120px; margin-top: 0.8rem; }
.grafica polyline { fill: none; stroke: var(--acento); stroke-width: 2.5; vector-effect: non-scaling-stroke; }
.grafica circle { fill: var(--acento); }
.registrar { display: flex; gap: 0.6rem; }
.registrar input { flex: 1; min-width: 0; font-size: 1.2rem; text-align: center; }
.historial { list-style: none; margin: 0; padding: 0; }
.historial li { display: flex; justify-content: space-between; padding: 0.55rem 0; border-top: 1px solid var(--borde); color: var(--suave); }
.historial li b { color: var(--texto); }

/* ---- bottom tabs ---- */
.pestanas {
	position: fixed; left: 0; right: 0; bottom: 0; display: flex;
	background: var(--superficie); border-top: 1px solid var(--borde);
	padding-bottom: env(safe-area-inset-bottom);
}
.pestanas button { flex: 1; border-radius: 0; background: transparent; color: var(--suave); display: flex; flex-direction: column; align-items: center; gap: 0.15rem; font-size: 0.8rem; padding: 0.6rem; }
.pestanas button span { font-size: 1.3rem; }
.pestanas button.activa { color: var(--acento); }

#aviso {
	position: fixed; left: 1rem; right: 1rem; bottom: calc(5rem + env(safe-area-inset-bottom));
	background: var(--superficie-2); border-left: 4px solid var(--acento); border-radius: 12px; padding: 0.8rem 1rem;
}
#aviso.error { border-left-color: var(--peligro); }

/* ---- done checks ---- */
.alimento { align-items: center; cursor: pointer; }
.alimento input { width: 1.25rem; height: 1.25rem; accent-color: var(--acento); flex: none; margin: 0; }
.alimento .nombre { flex: 1; }
.alimento.hecho .nombre { text-decoration: line-through; color: var(--suave); }
.comida.completa summary h2 { color: var(--acento); }
.progreso-hoy { margin-left: auto; text-align: right; }
.progreso-hoy b { font-size: 1.4rem; color: var(--acento); }

/* ---- water ---- */
.agua-cabeza { display: flex; justify-content: space-between; align-items: flex-end; gap: 0.5rem; }
.agua-cabeza b { display: block; font-size: 1.4rem; margin-top: 0.15rem; }
.barra-agua { height: 10px; border-radius: 6px; background: var(--fondo); margin: 0.7rem 0; overflow: hidden; }
.barra-agua i { display: block; height: 100%; background: #8cc8f0; border-radius: 6px; transition: width 0.3s; }
.agua.cumplido .barra-agua i { background: var(--acento); }
.agua-botones { display: grid; grid-template-columns: auto 1fr 1fr; gap: 0.5rem; }
.agua-botones button { padding: 0.6rem 0.5rem; font-size: 0.85rem; }

/* ---- BMI (same look as NutriDesk) ---- */
.etiqueta { color: var(--suave); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; }
.imc-cabeza { display: flex; justify-content: space-between; align-items: center; }
.imc-cabeza b { font-size: 1.9rem; margin-left: 0.4rem; }
.escala { position: relative; display: grid; grid-template-columns: 14fr 26fr 20fr 40fr; height: 10px; border-radius: 6px; margin-top: 0.8rem; }
.escala i:first-child { border-radius: 6px 0 0 6px; }
.escala i:nth-child(4) { border-radius: 0 6px 6px 0; }
.escala .bajo { background: #8cc8f0; }
.escala .normal { background: var(--acento); }
.escala .sobre { background: #f0b75e; }
.escala .obeso { background: var(--peligro); }
.escala-num { position: relative; height: 1rem; margin-top: 0.3rem; font-size: 0.7rem; color: var(--suave); }
.escala-num span { position: absolute; transform: translateX(-50%); }
.escala-num span:nth-child(1) { left: 0; transform: none; }
.escala-num span:nth-child(2) { left: 14%; }
.escala-num span:nth-child(3) { left: 40%; }
.escala-num span:nth-child(4) { left: 60%; }
.escala-num span:nth-child(5) { right: 0; left: auto; transform: none; }
.tag.imc-bajo { color: #8cc8f0; }
.tag.imc-normal { color: var(--acento); }
.tag.imc-sobre { color: #f0b75e; }
.tag.imc-obeso { color: var(--peligro); }
.cifras-salud { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.cifra b { display: block; font-size: 1.15rem; }
.cifra span { color: var(--suave); font-size: 0.78rem; }
.escala .marca {
	position: absolute; top: -5px; width: 4px; height: 20px; margin-left: -2px; border-radius: 2px;
	background: var(--texto); box-shadow: 0 0 0 2px var(--fondo);
}
.historial li { align-items: center; gap: 0.6rem; }
.historial li span { flex: 1; }
.historial .borrar { background: transparent; color: var(--suave); padding: 0.2rem 0.5rem; font-size: 0.85rem; }
.historial .borrar.seguro { background: var(--peligro); color: #fff; }

/* ---- steps ---- */
.pasos .barra-agua i { background: #f0b75e; }
.pasos.cumplido .barra-agua i { background: var(--acento); }
.pasos .registrar { display: flex; gap: 0.5rem; margin: 0; padding: 0; border: 0; background: none; }
.pasos .registrar input { flex: 1; }
.pasos .nota, .sueno .nota { margin: -0.2rem 0 0.7rem; font-size: 0.85rem; color: var(--suave); }

/* ---- sleep ---- */
.sueno .barra-agua i { background: #b39ddb; }
.sueno.cumplido .barra-agua i { background: var(--acento); }
.sueno .registrar { display: flex; gap: 0.5rem; margin: 0; padding: 0; border: 0; background: none; }
.sueno .registrar input { flex: 1; min-width: 0; padding-left: 0.6rem; padding-right: 0.4rem; font-size: 0.95rem; }
.semana { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 0.4rem; height: 70px; margin-top: 0.9rem; }
.semana .dia { display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 0.2rem; }
.semana .dia i { width: 100%; max-width: 22px; border-radius: 4px 4px 0 0; background: var(--borde); }
.semana .dia i.ok { background: var(--acento); }
.semana .dia span { font-size: 0.7rem; color: var(--suave); text-transform: uppercase; }

/* ---- two-colour step bars: one continuous shape, the container rounds the ends ---- */
.barra-agua.bicolor { display: flex; }
.barra-agua.bicolor i { border-radius: 0; flex: none; }
.semana .dia .columna {
	flex: none; width: 100%; max-width: 22px; display: flex; flex-direction: column-reverse;
	border-radius: 4px 4px 0 0; overflow: hidden;
}
.semana .dia .columna i { width: 100%; max-width: none; border-radius: 0; flex: none; }
.pasos .bicolor i.hecho, .pasos .columna i.hecho { background: var(--acento); }
.pasos .bicolor i.extra, .pasos .columna i.extra { background: #8cc8f0; }
.pasos .bicolor i.falta, .pasos .columna i.falta { background: rgba(240, 110, 110, 0.35); }