/* ============================================================
   BIORRITMOS V1 — Calculadora de Biorritmos
   Estética: instrumento científico vintage, osciloscopio
   Paleta: fondo negro profundo, fósforo verde/ámbar/azul cyan
   ============================================================ */

/* ---- Variables ---- */
:root {
    --bg-main:        #090e0e;
    --bg-panel:       #0d1414;
    --bg-card:        #111b1b;
    --bg-card-2:      #0f1919;
    --border-dim:     rgba(0, 200, 140, 0.12);
    --border-mid:     rgba(0, 200, 140, 0.25);
    --border-bright:  rgba(0, 200, 140, 0.5);

    --phys-color:     #00e5a0;   /* fósforo verde-esmeralda */
    --emot-color:     #ffa040;   /* ámbar cálido */
    --intl-color:     #40c8ff;   /* cyan eléctrico */

    --text-bright:    #d4ede8;
    --text-mid:       #7aada0;
    --text-dim:       #3d6b62;

    --accent-green:   #00e5a0;
    --accent-amber:   #ffa040;
    --glow-green:     rgba(0, 229, 160, 0.3);
    --glow-amber:     rgba(255, 160, 64, 0.3);

    --font-display:   'Orbitron', monospace;
    --font-data:      'Share Tech Mono', monospace;
    --font-ui:        'Rajdhani', sans-serif;

    --radius-sm:      4px;
    --radius-md:      8px;
    --radius-lg:      12px;

    /* Grid: canvas de 700px visualmente centrado */
    --chart-width:    700px;
}

/* ---- Reset base ---- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ---- Contenedor principal ---- */
#biorritmos-app {
    background: var(--bg-main);
    color: var(--text-bright);
    font-family: var(--font-ui);
    min-height: 100vh;
    padding: 0 0 60px;
    /* Textura de ruido sutil */
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0,180,120,0.08) 0%, transparent 60%),
        url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
}

/* ---- HEADER ---- */
.bio-header {
    text-align: center;
    padding: 40px 20px 28px;
    border-bottom: 1px solid var(--border-dim);
    position: relative;
    overflow: hidden;
}

.bio-header-badge {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-bottom: 14px;
}

.bio-badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
    animation: bio-blink 2.4s ease-in-out infinite;
}

.bio-badge-dot:nth-child(2) {
    background: var(--accent-amber);
    box-shadow: 0 0 8px var(--accent-amber);
    animation-delay: 0.8s;
}

.bio-badge-dot:nth-child(3) {
    background: var(--intl-color);
    box-shadow: 0 0 8px var(--intl-color);
    animation-delay: 1.6s;
}

@keyframes bio-blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.25; }
}

.bio-title {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 4vw, 2.2rem);
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--accent-green);
    text-shadow: 0 0 20px var(--glow-green), 0 0 40px rgba(0,229,160,0.15);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.bio-subtitle {
    font-family: var(--font-data);
    font-size: 0.78rem;
    letter-spacing: 0.25em;
    color: var(--text-mid);
    text-transform: uppercase;
}

/* Línea de escaneo animada */
.bio-scan-line {
    position: absolute;
    top: 0;
    left: -100%;
    width: 40%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-green), transparent);
    animation: bio-scan 4s linear infinite;
    opacity: 0.4;
}

@keyframes bio-scan {
    0%   { left: -40%; }
    100% { left: 140%; }
}

/* ---- PANEL DE ENTRADA ---- */
.bio-input-panel {
    max-width: 640px;
    margin: 36px auto 0;
    padding: 32px 28px;
    background: var(--bg-panel);
    border: 1px solid var(--border-mid);
    border-radius: var(--radius-lg);
    box-shadow: 0 0 40px rgba(0,229,160,0.04), inset 0 1px 0 rgba(255,255,255,0.03);
}

.bio-input-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.bio-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bio-label {
    font-family: var(--font-data);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--text-mid);
    text-transform: uppercase;
}

.bio-input-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-mid);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.bio-input-wrapper:focus-within {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 2px rgba(0,229,160,0.12);
}

.bio-input-icon {
    font-size: 14px;
    color: var(--accent-green);
    opacity: 0.6;
    flex-shrink: 0;
}

.bio-input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-bright);
    font-family: var(--font-data);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    width: 100%;
    cursor: pointer;
}

.bio-input::-webkit-calendar-picker-indicator {
    filter: invert(0.6) sepia(1) hue-rotate(100deg);
    cursor: pointer;
    opacity: 0.6;
}

.bio-btn-row {
    text-align: center;
    margin-top: 24px;
}

.bio-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 36px;
    background: transparent;
    border: 1px solid var(--accent-green);
    border-radius: var(--radius-sm);
    color: var(--accent-green);
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 16px rgba(0,229,160,0.12), inset 0 0 16px rgba(0,229,160,0.04);
}

.bio-btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-green);
    opacity: 0;
    transition: opacity 0.2s;
}

.bio-btn-primary:hover {
    box-shadow: 0 0 32px rgba(0,229,160,0.35), inset 0 0 20px rgba(0,229,160,0.1);
    text-shadow: 0 0 12px var(--accent-green);
}

.bio-btn-primary:hover::before { opacity: 0.08; }

.bio-btn-primary:active {
    transform: scale(0.97);
}

.bio-btn-icon {
    font-size: 12px;
}

.bio-btn-text {
    position: relative;
}

.bio-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: transparent;
    border: 1px solid var(--border-mid);
    border-radius: var(--radius-sm);
    color: var(--text-mid);
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.2s;
}

.bio-btn-secondary:hover {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

/* Error */
.bio-error {
    margin-top: 16px;
    padding: 10px 14px;
    background: rgba(255,80,80,0.07);
    border: 1px solid rgba(255,80,80,0.25);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-data);
    font-size: 0.78rem;
    color: #ff8080;
}

/* ---- RESULTADO ---- */
.bio-result {
    max-width: 760px;
    margin: 32px auto 0;
    padding: 0 16px;
    animation: bio-fade-in 0.5s ease;
}

@keyframes bio-fade-in {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Info de días */
.bio-days-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.bio-days-badge {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.bio-days-num {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--accent-green);
    text-shadow: 0 0 20px var(--glow-green);
    line-height: 1;
}

.bio-days-lbl {
    font-family: var(--font-data);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--text-mid);
    text-transform: uppercase;
}

.bio-date-display {
    font-family: var(--font-data);
    font-size: 0.82rem;
    color: var(--text-mid);
    letter-spacing: 0.1em;
}

/* ---- GRÁFICO ---- */
.bio-chart-wrap {
    display: flex;
    gap: 0;
    background: var(--bg-panel);
    border: 1px solid var(--border-mid);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 16px;
    position: relative;
}

.bio-chart-labels {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 14px 8px 14px 12px;
    width: 38px;
    flex-shrink: 0;
    border-right: 1px solid var(--border-dim);
}

.bio-y-label {
    font-family: var(--font-data);
    font-size: 0.6rem;
    color: var(--text-dim);
    text-align: right;
    line-height: 1;
}

.bio-canvas-outer {
    flex: 1;
    position: relative;
    min-width: 0;
}

#bio-canvas {
    display: block;
    width: 100%;
    height: auto;
}

/* Línea de "hoy" */
.bio-today-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 1px;
    background: rgba(255,255,255,0.15);
    display: none;
    pointer-events: none;
}

.bio-today-label {
    position: absolute;
    top: 6px;
    font-family: var(--font-data);
    font-size: 0.58rem;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.35);
    white-space: nowrap;
    transform: translateX(-50%);
    display: none;
}

/* ---- LEYENDA ---- */
.bio-legend {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    padding: 12px 16px;
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.bio-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.bio-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 6px currentColor;
}

.bio-legend-text {
    font-family: var(--font-ui);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text-mid);
    text-transform: uppercase;
}

.bio-legend-pct {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    min-width: 52px;
}

/* ---- INDICADORES (cards de ciclo) ---- */
.bio-indicators {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.bio-indicator-card {
    background: var(--bg-card);
    border: 1px solid var(--border-dim);
    border-radius: var(--radius-md);
    padding: 16px 14px;
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s;
}

.bio-indicator-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
}

.bio-indicator-card.card-phys::before { background: var(--phys-color); }
.bio-indicator-card.card-emot::before { background: var(--emot-color); }
.bio-indicator-card.card-intl::before { background: var(--intl-color); }

.bio-indicator-card.card-phys { border-color: rgba(0, 229, 160, 0.18); }
.bio-indicator-card.card-emot { border-color: rgba(255, 160, 64, 0.18); }
.bio-indicator-card.card-intl { border-color: rgba(64, 200, 255, 0.18); }

.bio-ind-label {
    font-family: var(--font-data);
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.card-phys .bio-ind-label { color: var(--phys-color); }
.card-emot .bio-ind-label { color: var(--emot-color); }
.card-intl .bio-ind-label { color: var(--intl-color); }

.bio-ind-value {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 6px;
}

.card-phys .bio-ind-value { color: var(--phys-color); text-shadow: 0 0 12px rgba(0,229,160,0.5); }
.card-emot .bio-ind-value { color: var(--emot-color); text-shadow: 0 0 12px rgba(255,160,64,0.5); }
.card-intl .bio-ind-value { color: var(--intl-color); text-shadow: 0 0 12px rgba(64,200,255,0.5); }

/* Barra de nivel */
.bio-ind-bar-wrap {
    height: 3px;
    background: rgba(255,255,255,0.06);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 8px;
}

.bio-ind-bar {
    height: 100%;
    border-radius: 2px;
    transition: width 0.8s cubic-bezier(0.4,0,0.2,1);
}

.card-phys .bio-ind-bar { background: var(--phys-color); }
.card-emot .bio-ind-bar { background: var(--emot-color); }
.card-intl .bio-ind-bar { background: var(--intl-color); }

.bio-ind-phase {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    text-transform: uppercase;
}

/* ---- LECTURA DEL DÍA ---- */
.bio-reading {
    background: var(--bg-card-2);
    border: 1px solid var(--border-dim);
    border-left: 3px solid var(--accent-green);
    border-radius: var(--radius-md);
    padding: 20px 20px 20px 18px;
    margin-bottom: 8px;
}

.bio-reading-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.bio-reading-icon {
    color: var(--accent-green);
    font-size: 14px;
}

.bio-reading-title {
    font-family: var(--font-data);
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent-green);
}

.bio-reading-text {
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.65;
    color: var(--text-bright);
    opacity: 0.85;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 600px) {
    .bio-input-grid {
        grid-template-columns: 1fr;
    }

    .bio-indicators {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .bio-indicators .bio-indicator-card {
        display: grid;
        grid-template-columns: auto 1fr auto;
        align-items: center;
        gap: 12px;
        padding: 12px 14px;
    }

    .bio-indicators .bio-indicator-card::before {
        top: 0;
        left: 0;
        right: auto;
        width: 3px;
        height: 100%;
    }

    .bio-ind-bar-wrap {
        display: none;
    }

    .bio-ind-value {
        font-size: 1.3rem;
        text-align: right;
    }

    .bio-title {
        font-size: 1.2rem;
        letter-spacing: 0.1em;
    }

    .bio-days-num {
        font-size: 1.8rem;
    }

    .bio-legend {
        gap: 12px;
    }

    .bio-input-panel {
        padding: 20px 16px;
    }
}