/* =========================================
   GLOBAL RESET & CUSTOM PROPERTIES
   ========================================= */
:root {
    /* Color Palette */
    --clr-bg-primary: #0A0A0A;
    --clr-bg-secondary: #141414;
    --clr-bg-input: #1C1E20;
    --clr-border: #2A2D31;
    --clr-border-focus: #4F9DFF;
    
    /* Text Colors */
    --clr-text-main: #FFFFFF;
    --clr-text-light: #A0A0A0;
    --clr-text-muted: #6B6B70;
    
    /* Brand/Accent Colors */
    --clr-accent: #00E5FF;
    --clr-accent-secondary: #0077FF;
    --clr-primary-glow: rgba(0, 119, 255, 0.4);

    /* Typography */
    --font-main: 'Outfit', sans-serif;
    
    /* Structural */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-main);
    background-color: #ffffff;
    color: #212121;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =========================================
   TYPOGRAPHY
   ========================================= */
h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    color: #c42b3e;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #c42b3e;
}

.text-gradient {
    background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =========================================
   CONTAINERS & LAYOUT
   ========================================= */
.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.wizard-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.wizard-header p {
    color: #3a0610;
    font-size: 1.1rem;
}

.wizard-header .brand-signature {
    margin: -0.5rem 0 0.75rem;
    color: #6f6265;
    font-size: 0.9rem;
}

.brand-signature a {
    color: #9e2132;
    font-weight: 700;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

.flow-progress {
    width: 100%;
    max-width: 720px;
    margin: -1rem auto 1.25rem;
    padding: 1rem 1.1rem;
    border: 1px solid rgba(196, 43, 62, 0.16);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 8px 24px rgba(58, 6, 16, 0.06);
}

.flow-progress[hidden] {
    display: none !important;
}

.flow-progress-current {
    margin-bottom: 0.85rem;
    color: #3a0610;
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
}

.flow-progress-stages {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.55rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.flow-progress-stage {
    display: grid;
    min-width: 0;
    justify-items: center;
    gap: 0.2rem;
    padding-top: 0.65rem;
    border-top: 4px solid #d8d5d6;
    color: #716a6d;
    text-align: center;
}

.flow-progress-stage.is-current {
    border-top-color: #c42b3e;
    color: #3a0610;
}

.flow-progress-stage.is-complete {
    border-top-color: #9e2132;
    color: #3a0610;
}

.flow-progress-marker {
    display: inline-grid;
    width: 1.7rem;
    height: 1.7rem;
    place-items: center;
    border: 1px solid #c5c0c2;
    border-radius: 50%;
    background: #ffffff;
    font-size: 0.76rem;
    font-weight: 700;
}

.flow-progress-stage.is-current .flow-progress-marker {
    border-color: #c42b3e;
    background: #c42b3e;
    color: #ffffff;
}

.flow-progress-stage.is-complete .flow-progress-marker {
    border-color: #9e2132;
    background: #fff4f5;
    color: #9e2132;
}

.flow-progress-stage-label {
    overflow-wrap: anywhere;
    font-size: 0.8rem;
    font-weight: 700;
}

.flow-progress-stage-status {
    font-size: 0.68rem;
    font-weight: 600;
}

#training-form {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

/* Decorative glow behind form */
#training-form::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at top right, rgba(196, 43, 62, 0.3) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
}

.wizard-step {
    position: relative;
    z-index: 1;
}

/* STEP VISIBILITY TOGGLE (MÁQUINA DE ESTADOS) */
.wizard-step {
    display: none;
}

.wizard-step.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* UTILIDADES LÓGICAS */
.oculto {
    display: none !important;
}

.step-description {
    color: #3a0610;
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.conditional-section {
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-md);
    background: #fafafa;
}

.conditional-section[hidden] {
    display: none !important;
}

.strength-sessions-fields[hidden] {
    display: none !important;
}

.conditional-section h3 {
    margin-bottom: 1rem;
    color: #c42b3e;
    font-size: 1.05rem;
}

.conditional-section .form-group:last-child {
    margin-bottom: 0;
}

.routine-preferences-section {
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    border: 1px solid rgba(196, 43, 62, 0.2);
    border-radius: var(--radius-md);
    background: linear-gradient(145deg, #ffffff, #fff8f9);
}

.routine-preferences-section h3 {
    margin-bottom: 0.25rem;
    color: #c42b3e;
    font-size: 1.05rem;
}

.routine-preferences-intro {
    margin-bottom: 1.25rem;
    color: #4f4f55;
    font-size: 0.9rem;
}

.routine-preferences-grid {
    display: grid;
    gap: 1rem;
}

.routine-preferences-grid .form-group {
    margin-bottom: 0;
}

.resources-preferences-section {
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    border: 1px solid rgba(43, 62, 196, 0.22);
    border-radius: var(--radius-md);
    background: linear-gradient(145deg, #ffffff, #f7f8ff);
}

.resources-preferences-section h3 {
    margin-bottom: 0.25rem;
    color: #c42b3e;
    font-size: 1.05rem;
}

.resources-preferences-intro {
    margin-bottom: 1.25rem;
    color: #4f4f55;
    font-size: 0.9rem;
}

.resources-fieldset {
    margin-bottom: 1.25rem;
    padding: 0;
    border: 0;
}

.resources-fieldset legend {
    margin-bottom: 0.65rem;
    color: #3a0610;
    font-size: 0.9rem;
    font-weight: 600;
}

.resource-checkbox-group {
    align-items: stretch;
}

.resource-checkbox-group .checkbox-box {
    display: flex;
    flex: 1 1 180px;
}

.resource-checkbox-group .resource-gym-choice,
.resource-checkbox-group .strength-sessions-fields {
    flex: 1 1 100%;
    min-width: 0;
}

.resource-checkbox-group .strength-sessions-fields {
    margin-bottom: 0;
    padding: 1rem;
    border: 1px solid rgba(43, 62, 196, 0.18);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.72);
}

.resource-checkbox-group .checkbox-label {
    width: 100%;
    min-height: 48px;
    text-align: center;
}

.preferences-form-group {
    margin-bottom: 0;
}

.neutral-helper {
    color: #4f4f55;
}

.preference-privacy-warning {
    margin-top: 0.65rem;
    padding: 0.7rem 0.85rem;
    border-left: 4px solid #c47a12;
    border-radius: var(--radius-sm);
    background: #fff8e8;
    color: #553404;
    font-size: 0.85rem;
    font-weight: 600;
}

.preference-character-count {
    margin-top: 0.4rem;
    color: var(--clr-text-muted);
    font-size: 0.78rem;
    text-align: right;
}

.schedule-fieldset {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-md);
}

.schedule-fieldset legend {
    padding: 0 0.35rem;
    color: #3a0610;
    font-size: 0.9rem;
    font-weight: 500;
}

.schedule-choice-group {
    display: flex;
    gap: 0.75rem;
}

.schedule-choice {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    padding: 0.7rem 1rem;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.schedule-choice:has(input:checked) {
    border-color: #2b3ec4;
    background: rgba(43, 62, 196, 0.1);
    color: #2b3ec4;
}

.schedule-choice input {
    width: auto;
    min-height: auto;
    accent-color: #2b3ec4;
}

.schedule-result {
    margin-top: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    background: rgba(43, 62, 196, 0.08);
    color: #212121;
}

.schedule-warnings {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border: 1px solid #c47b00;
    border-radius: var(--radius-md);
    background: #fff7e6;
    color: #5c3700;
}

.schedule-warnings ul {
    margin: 0.5rem 0 0.5rem 1.25rem;
}

.schedule-warnings[hidden],
.schedule-result[hidden] {
    display: none !important;
}

.safety-fieldset {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-md);
}

.safety-fieldset legend {
    padding: 0 0.35rem;
    color: #3a0610;
    font-size: 1rem;
    font-weight: 600;
}

.safety-choice-group {
    display: grid;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.safety-choice {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    margin: 0;
    padding: 0.85rem 1rem;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.safety-choice:has(input:checked) {
    border-color: #2b3ec4;
    background: rgba(43, 62, 196, 0.1);
}

.safety-choice input {
    width: auto;
    min-height: auto;
    margin-top: 0.2rem;
    accent-color: #2b3ec4;
}

.safety-block-message {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border: 1px solid #c42b3e;
    border-radius: var(--radius-md);
    background: #fff1f3;
    color: #66101c;
}

.safety-block-message h3 {
    margin-bottom: 0.5rem;
    color: inherit;
}

.safety-block-message p:last-child {
    margin-bottom: 0;
}

.safety-block-message[hidden] {
    display: none !important;
}

.summary-heading {
    margin-bottom: 1.5rem;
}

.summary-eyebrow {
    margin-bottom: 0.35rem;
    color: #c42b3e;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.summary-card {
    margin-bottom: 1rem;
    padding: 1.25rem;
    border: 1px solid rgba(43, 62, 196, 0.18);
    border-radius: var(--radius-md);
    background: linear-gradient(145deg, #ffffff, #f7f8ff);
    box-shadow: 0 8px 24px rgba(43, 62, 196, 0.08);
}

.summary-card h3 {
    margin-bottom: 1rem;
    color: #3a0610;
}

.summary-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    margin: 0;
}

.summary-detail {
    padding: 0.85rem;
    border-radius: var(--radius-sm);
    background: #ffffff;
}

.summary-detail dt {
    margin-bottom: 0.25rem;
    color: var(--clr-text-muted);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
}

.summary-detail dd {
    margin: 0;
    color: #212121;
    font-weight: 600;
}

.summary-includes ul {
    display: grid;
    gap: 0.65rem;
    margin: 0;
    padding-left: 1.25rem;
}

.payment-heading {
    margin-bottom: 1.5rem;
}

.payment-card {
    padding: 1.5rem;
    border: 1px solid rgba(43, 62, 196, 0.2);
    border-radius: var(--radius-md);
    background: linear-gradient(145deg, #ffffff, #f7f8ff);
    box-shadow: 0 12px 30px rgba(43, 62, 196, 0.1);
}

.payment-offer-label {
    margin: 0 0 0.55rem;
    color: #9e2132;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.payment-regular-price {
    display: inline-block;
    margin-bottom: 0.2rem;
    color: #6b6b72;
    font-size: 1.15rem;
    font-weight: 600;
    text-decoration-color: #9e2132;
    text-decoration-line: line-through;
    text-decoration-thickness: 2px;
}

.payment-price {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
    color: #3a0610;
}

.payment-price strong {
    font-size: clamp(3rem, 10vw, 4.5rem);
    line-height: 1;
}

.payment-frequency {
    font-weight: 600;
}

.payment-frequency {
    color: var(--clr-text-muted);
}

.payment-savings {
    display: inline-flex;
    margin: 0 0 0.65rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    background: rgba(47, 133, 90, 0.12);
    color: #185c3a;
    font-size: 0.9rem;
    font-weight: 700;
}

.payment-subscription {
    margin: 0 0 0.45rem;
    color: #3a0610;
    font-weight: 700;
}

.payment-validity {
    margin: 0 0 1rem;
    color: #4f4f55;
    font-size: 0.95rem;
    line-height: 1.5;
}

.payment-trial-assurance {
    margin: 0 0 1rem;
    color: #3a0610;
}

.payment-data-notice {
    margin: 0;
    padding: 0.85rem;
    border-radius: var(--radius-sm);
    background: #fff7e6;
    color: #5c3700;
}

.satisfaction-guarantee {
    margin-top: 1rem;
    padding: 1.1rem 1.2rem;
    border: 1px solid rgba(47, 133, 90, 0.22);
    border-radius: var(--radius-md);
    background: #f5fbf7;
    color: #214c35;
}

.satisfaction-guarantee h3 {
    margin: 0 0 0.45rem;
    color: #185c3a;
    font-size: 1rem;
}

.satisfaction-guarantee p,
.payment-test-environment {
    margin: 0;
    line-height: 1.55;
}

.payment-test-environment {
    margin-top: 1rem;
    padding: 0.7rem 0.85rem;
    border-radius: var(--radius-sm);
    background: #f3f3f5;
    color: #56565d;
    font-size: 0.88rem;
}

.payment-stripe-trust {
    margin: 0.85rem 0 0;
    color: #214c35;
    font-size: 0.88rem;
    font-weight: 700;
    text-align: right;
}

.payment-stripe-trust[hidden] {
    display: none !important;
}

.test-payment-confirmation,
.payment-email-section {
    margin-top: 1.25rem;
    padding: 1.25rem;
    border-radius: var(--radius-md);
}

.test-payment-confirmation {
    border: 1px solid #2f855a;
    background: #edfdf4;
    color: #185c3a;
}

.payment-email-section {
    border: 1px solid rgba(43, 62, 196, 0.22);
    background: #f7f8ff;
}

.test-payment-confirmation h3,
.payment-email-section h3 {
    margin-bottom: 0.5rem;
    color: inherit;
}

.test-payment-confirmation p:last-child {
    margin-bottom: 0;
}

.delivery-readiness-status {
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid #2b3ec4;
    border-radius: var(--radius-md);
    background: rgba(43, 62, 196, 0.08);
    color: #212121;
}

.generation-loading {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-top: 1rem;
    padding: 1.25rem;
    border: 1px solid rgba(43, 62, 196, 0.3);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #f7f8ff 0%, #fff7f8 100%);
    box-shadow: 0 12px 30px rgba(43, 62, 196, 0.09);
}

.generation-loader-visual {
    position: relative;
    flex: 0 0 64px;
    width: 64px;
    height: 64px;
}

.generation-loader-ring {
    position: absolute;
    inset: 0;
    border: 5px solid rgba(43, 62, 196, 0.14);
    border-top-color: #2b3ec4;
    border-right-color: #c42b3e;
    border-radius: 50%;
    animation: generation-loader-spin 1.1s linear infinite;
}

.generation-loader-dot {
    position: absolute;
    inset: 22px;
    border-radius: 50%;
    background: #c42b3e;
    box-shadow: 0 0 0 0 rgba(196, 43, 62, 0.35);
    animation: generation-loader-pulse 1.6s ease-out infinite;
}

.generation-loading-copy p {
    margin: 0;
}

.generation-loading-eyebrow {
    color: #6f1724;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.generation-loading-message {
    margin-top: 0.2rem !important;
    color: #212121;
    font-size: 1.08rem;
    font-weight: 700;
}

.generation-loading-reassurance {
    margin-top: 0.35rem !important;
    color: #4f4f55;
    font-size: 0.9rem;
}

@keyframes generation-loader-spin {
    to { transform: rotate(360deg); }
}

@keyframes generation-loader-pulse {
    70%, 100% { box-shadow: 0 0 0 16px rgba(196, 43, 62, 0); }
}

.test-payment-confirmation[hidden],
.payment-email-section[hidden],
.generation-loading[hidden],
.delivery-readiness-status[hidden] {
    display: none !important;
}

@media (prefers-reduced-motion: reduce) {
    .generation-loader-ring,
    .generation-loader-dot {
        animation: none;
    }

    .generation-loader-ring {
        border-color: rgba(43, 62, 196, 0.25);
        border-top-color: #2b3ec4;
    }
}

/* =========================================
   VISTA PREVIA LOCAL DEL PLAN
   ========================================= */
#wizard-container:has(#step-plan-preview.active) {
    max-width: 1080px;
}

.plan-preview-heading {
    max-width: 720px;
    margin-bottom: 1.5rem;
}

.plan-preview-heading h2 {
    margin-bottom: 0;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.plan-generation-source {
    display: inline-flex;
    align-items: center;
    gap: 0.48rem;
    width: fit-content;
    max-width: 100%;
    margin-top: 0.75rem;
    padding: 0.42rem 0.72rem;
    border: 1px solid;
    border-radius: 999px;
    box-sizing: border-box;
    font-size: 0.86rem;
    font-weight: 750;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.plan-generation-source[hidden] {
    display: none;
}

.plan-generation-source--primary {
    border-color: #a8d8b6;
    background: #edf8f0;
    color: #185c31;
}

.plan-generation-source--fallback {
    border-color: #e7cb70;
    background: #fff8df;
    color: #6a4c00;
}

.plan-generation-source__icon {
    display: inline-grid;
    flex: 0 0 auto;
    width: 1.3rem;
    height: 1.3rem;
    place-items: center;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-size: 0.78rem;
    font-weight: 900;
    line-height: 1;
}

.plan-section-eyebrow,
.plan-week-number,
.plan-session-number {
    color: #9e2132;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.plan-preview-content {
    display: grid;
    gap: 1.5rem;
}

.plan-strategy-card,
.plan-glossary-card,
.plan-week-card {
    border: 1px solid #e2e2e7;
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 12px 30px rgba(58, 6, 16, 0.07);
}

.plan-strategy-card,
.plan-glossary-card {
    padding: clamp(1.25rem, 4vw, 2rem);
}

.plan-strategy-card {
    border-left: 5px solid #c42b3e;
    background: linear-gradient(135deg, #fff 0%, #fff7f8 100%);
}

.plan-strategy-greeting {
    margin-bottom: 0.35rem;
    color: #3a0610;
    font-weight: 700;
}

.plan-strategy-card h3,
.plan-weeks > h3,
.plan-glossary-card h3 {
    margin: 0.2rem 0 0.75rem;
    color: #3a0610;
    font-size: 1.3rem;
}

.plan-weeks {
    display: grid;
    gap: 1.25rem;
}

.plan-weeks > .plan-section-eyebrow,
.plan-weeks > h3 {
    margin-bottom: -0.85rem;
}

.plan-week-card {
    overflow: hidden;
}

.plan-week-heading {
    padding: 1.2rem 1.4rem;
    border-bottom: 1px solid #e8e8eb;
    background: #fbf6f7;
}

.plan-week-print-heading {
    display: none;
}

.plan-week-heading h3 {
    margin-top: 0.15rem;
    color: #3a0610;
    font-size: 1.18rem;
}

.plan-session-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    align-items: stretch;
    gap: 1rem;
    padding: 1.2rem;
}

.plan-session-card {
    display: flex;
    min-width: 0;
    height: 100%;
    flex-direction: column;
    padding: 1.2rem;
    border: 1px solid #e4e4e8;
    border-radius: var(--radius-md);
    background: #fff;
}

.plan-session-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.65rem;
}

.plan-session-heading h4 {
    color: #2b3ec4;
    font-size: 1.1rem;
}

.plan-session-purpose {
    margin-bottom: 1rem;
    color: #3a0610;
    font-weight: 600;
}

.plan-session-details,
.plan-glossary-list {
    display: grid;
    gap: 0.85rem;
}

.plan-session-detail {
    min-width: 0;
}

.plan-session-detail dt {
    margin-bottom: 0.15rem;
    color: #6f1724;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.plan-session-detail dd {
    color: #333338;
    overflow-wrap: anywhere;
}

.plan-heart-rate-guidance {
    padding: 0.65rem 0.75rem;
    border-left: 3px solid rgba(43, 62, 196, 0.55);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    background: rgba(43, 62, 196, 0.06);
}

.plan-heart-rate-guidance dt {
    color: #2b3ec4;
}

.plan-heart-rate-guidance dd {
    color: #4f4f55;
    font-size: 0.92rem;
}

.plan-session-card h5 {
    margin: 1rem 0 0.35rem;
    color: #3a0610;
    font-size: 0.9rem;
}

.plan-rest-guidance {
    margin: 0 1.2rem 1.2rem;
    padding: 1rem 1.1rem;
    border: 1px solid rgba(43, 62, 196, 0.16);
    border-left: 4px solid rgba(43, 62, 196, 0.6);
    border-radius: var(--radius-sm);
    background: #f7f8ff;
    color: #3e4050;
}

.plan-rest-guidance h4 {
    margin: 0 0 0.35rem;
    color: #2b3ec4;
    font-size: 0.95rem;
}

.plan-rest-guidance-day {
    margin: 0 0 0.2rem;
    color: #3a0610;
    font-weight: 700;
}

.plan-rest-guidance-reason {
    margin: 0;
    overflow-wrap: anywhere;
}

.plan-alternative-list,
.plan-global-safety-list {
    display: grid;
    gap: 0.4rem;
    padding-left: 1.15rem;
    color: #44444a;
}

.plan-global-safety-card {
    padding: clamp(1.25rem, 4vw, 2rem);
    border-radius: var(--radius-sm);
    background: #fff5f0;
    color: #65210f;
}

.plan-global-safety-card h3 {
    margin: 0 0 0.75rem;
    color: inherit;
}

.plan-global-safety-list {
    margin: 0;
    color: inherit;
}

.plan-glossary-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
}

.plan-glossary-list:has(> .plan-session-detail:only-child) {
    grid-template-columns: minmax(0, 1fr);
}

.plan-glossary-list:has(> .plan-session-detail:nth-child(2):last-child) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.plan-training-calendar {
    padding: clamp(1.35rem, 4vw, 2.25rem);
    border: 1px solid rgba(158, 33, 50, 0.18);
    border-radius: 20px;
    background: linear-gradient(145deg, #fff7f8 0%, #ffffff 62%, #f3f4ff 100%);
    box-shadow: 0 16px 38px rgba(58, 6, 16, 0.09);
}

.plan-training-calendar-title {
    margin: 0;
    color: #3a0610;
    font-size: clamp(1.15rem, 3vw, 1.45rem);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.plan-training-calendar-range {
    margin: 0.6rem 0 0;
    color: #9e2132;
    font-size: clamp(1.65rem, 5vw, 2.65rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.05;
}

.plan-training-calendar-summary {
    margin: 0.65rem 0 0;
    color: #2b3ec4;
    font-weight: 700;
}

.plan-training-calendar-description {
    margin: 0.5rem 0 1.35rem;
    color: #4a4144;
}

.plan-training-calendar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
    gap: 0.75rem;
}

.plan-training-calendar-week {
    min-width: 0;
    padding: 0.9rem;
    border: 1px solid rgba(58, 6, 16, 0.12);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.88);
    break-inside: avoid;
    page-break-inside: avoid;
}

.plan-training-calendar-week-title {
    margin: 0;
    color: #3a0610;
    font-size: 0.95rem;
}

.plan-training-calendar-week-range {
    margin: 0.2rem 0 0;
    color: #5c5558;
    font-size: 0.88rem;
}

.plan-training-calendar-days {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 0.7rem;
}

.plan-training-calendar-day {
    padding: 0.18rem 0.4rem;
    border-radius: 999px;
    background: rgba(43, 62, 196, 0.08);
    color: #2b3ec4;
    font-size: 0.7rem;
    font-weight: 700;
}

.plan-preview-actions {
    justify-content: flex-end;
    flex-wrap: wrap;
}

#btn-preview-delivery:disabled {
    background: #66666c;
    color: #fff;
    box-shadow: none;
}

@media (max-width: 900px) {
    .plan-glossary-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .plan-glossary-list,
    .plan-training-calendar-grid {
        grid-template-columns: 1fr;
    }

    .flow-progress {
        padding: 0.8rem;
    }

    .flow-progress-stages {
        gap: 0.35rem;
    }

    .flow-progress-stage {
        padding-top: 0.5rem;
    }

    .flow-progress-stage-label,
    .flow-progress-stage-status {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    .flow-progress-marker {
        width: 1.55rem;
        height: 1.55rem;
    }
}

@media screen and (max-width: 600px) {
    body:has(#step-plan-preview.active) {
        align-items: flex-start;
        padding: 0.75rem;
    }

    #wizard-container:has(#step-plan-preview.active),
    #training-form:has(#step-plan-preview.active),
    .plan-preview-step,
    .plan-preview-content,
    .plan-preview-content > *,
    .plan-weeks,
    .plan-week-card,
    .plan-session-grid,
    .plan-session-card,
    .plan-session-heading,
    .plan-session-details,
    .plan-session-detail {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        box-sizing: border-box;
    }

    #wizard-container:has(#step-plan-preview.active) {
        padding: 0;
    }

    #training-form:has(#step-plan-preview.active) {
        padding: 1rem;
    }

    .plan-preview-heading {
        max-width: 100%;
        margin-bottom: 1rem;
    }

    .plan-preview-content {
        gap: 1rem;
    }

    .plan-strategy-card,
    .plan-glossary-card,
    .plan-global-safety-card,
    .plan-rest-guidance,
    .plan-training-calendar {
        max-width: 100%;
        padding: 1rem;
        overflow-wrap: anywhere;
    }

    .plan-weeks {
        gap: 1rem;
    }

    .plan-week-heading {
        padding: 0.9rem;
        overflow-wrap: anywhere;
    }

    .plan-session-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.875rem;
        padding: 0.75rem;
    }

    .plan-session-card {
        height: auto;
        padding: 0.9rem;
        overflow-wrap: anywhere;
    }

    .plan-session-heading {
        align-items: flex-start;
        flex-direction: column;
        flex-wrap: wrap;
        justify-content: flex-start;
        gap: 0.15rem;
        margin-bottom: 0.75rem;
    }

    .plan-session-heading h4,
    .plan-session-number,
    .plan-session-purpose,
    .plan-session-detail dt,
    .plan-session-detail dd,
    .plan-alternative-list,
    .plan-alternative-list li {
        max-width: 100%;
        min-width: 0;
        overflow-wrap: anywhere;
        white-space: normal;
        word-break: normal;
    }

    .plan-session-heading h4 {
        line-height: 1.3;
    }

    .plan-session-purpose {
        margin-bottom: 0.85rem;
    }

    .plan-session-details {
        gap: 0.75rem;
    }

    .plan-session-card h5 {
        margin-top: 0.85rem;
    }

    .plan-training-calendar-range {
        overflow-wrap: anywhere;
    }

    .plan-rest-guidance {
        margin: 0 0.75rem 0.75rem;
        padding: 0.9rem;
    }
}

/* =========================================
   FORM ELEMENTS
   ========================================= */
.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.campo-formulario {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

label {
    font-size: 0.9rem;
    font-weight: 500;
    color: #3a0610;
    margin-bottom: 0.5rem;
}

input[type="number"],
input[type="text"],
input[type="email"],
input[type="date"],
textarea,
select {
    width: 100%;
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-md);
    padding: 1rem;
    color: #212121;
    font-family: var(--font-main);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

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

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23A0A0A0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #2b3ec4 !important;
    box-shadow: 0 0 0 4px rgba(43, 62, 196, 0.3) !important;
}

input[type="number"]::placeholder,
input[type="text"]::placeholder,
input[type="email"]::placeholder {
    color: var(--clr-text-muted);
}

.helper-text {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--clr-text-muted);
}

/* Checkboxes Stylings */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.checkbox-box {
    position: relative;
    cursor: pointer;
}

.checkbox-box input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkbox-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.75rem 1.25rem;
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: var(--transition);
    user-select: none;
    color: #212121;
}

.checkbox-box input:checked + .checkbox-label {
    background-color: rgba(43, 62, 196, 0.1);
    border-color: #2b3ec4;
    color: #2b3ec4;
}

.checkbox-box input:focus-visible + .checkbox-label {
    box-shadow: 0 0 0 2px var(--clr-accent);
}

/* =========================================
   BUTTONS & ACTIONS
   ========================================= */
.wizard-actions {
    margin-top: 2.5rem;
    display: flex;
    justify-content: flex-end; /* Default right alignment */
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--clr-border);
}

.wizard-actions.space-between {
    justify-content: space-between;
}

.btn {
    padding: 0.875rem 1.75rem;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: none;
    outline: none;
}

.btn:hover {
    filter: brightness(1.1);
}

.btn:focus-visible {
    outline: 3px solid #2b3ec4;
    outline-offset: 3px;
}

.btn:active {
    transform: scale(0.97) !important;
}

.btn:disabled {
    cursor: not-allowed;
    filter: grayscale(0.4);
    opacity: 0.55;
    transform: none !important;
}

.btn-primary {
    background: #c42b3e;
    color: #FFFFFF;
    box-shadow: 0 4px 15px rgba(196, 43, 62, 0.3);
}

.btn-primary:hover {
    background: #d74b5c;
    box-shadow: 0 6px 20px rgba(215, 75, 92, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background: #2b3ec4;
    color: #FFFFFF;
    border: 1px solid #2b3ec4;
}

.btn-secondary:hover {
    background: #3a4ddb;
    color: #FFFFFF;
}

/* =========================================
   VALIDATION
   ========================================= */
.input-error {
    border: 1px solid #FF3333 !important;
    animation: shake 0.4s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shake {
    10%, 90% { transform: translate3d(-1px, 0, 0); }
    20%, 80% { transform: translate3d(2px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
    40%, 60% { transform: translate3d(4px, 0, 0); }
}

/* =========================================
   LOADING STATE
   ========================================= */
#step-loading.active {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 250px;
}

#step-loading h2 {
    margin-bottom: 1.5rem;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(225, 189, 27, 0.2);
    border-radius: 50%;
    border-top-color: #e1bd1b;
    margin: 30px auto;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* =========================================
   DASHBOARD / PLAN RESULTADO
   ========================================= */
#plan-resultado {
    margin-top: 1.5rem;
}

.semana-bloque {
    margin-bottom: 2rem;
}

.semana-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--clr-border);
    padding-bottom: 10px;
}

.semana-titulo {
    font-size: 1.25rem;
    color: #e1bd1b;
    font-weight: 600;
}

.intensity-track {
    width: 150px;
    height: 6px;
    background-color: #222222;
    border-radius: 10px;
    overflow: hidden;
}

.intensity-fill {
    height: 100%;
    background: #e1bd1b;
    border-radius: 10px;
    box-shadow: 0 0 8px rgba(225, 189, 27, 0.4);
}

.semana-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.dia-card {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    cursor: pointer;
}

.dia-card:hover {
    transform: translateY(-5px);
    border-color: #d74b5c;
    box-shadow: 0 8px 24px rgba(215, 75, 92, 0.15);
}

.dia-titulo {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #e1bd1b;
    margin-bottom: 10px;
}

.dia-card p, .bienvenida-mensaje {
    color: #212121;
    line-height: 1.5;
    font-size: 0.95rem;
    white-space: pre-line;
}

/* =========================================
   ADAPTACIÓN MOBILE-FIRST RADICAL
   ========================================= */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    .btn, 
    input, 
    select {
        width: 100%;
        display: block;
        min-height: 48px;
    }

    .schedule-choice input {
        width: auto;
        min-height: auto;
    }

    .btn {
        margin-bottom: 10px;
    }

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

/* =========================================
   IMPRESIÓN (PDF EXPORT)
   ========================================= */
@media print {
    @page {
        margin: 11mm 10mm 15mm;

        @bottom-right {
            content: counter(page) "/" counter(pages);
            color: #55555B;
            font-family: Arial, Helvetica, sans-serif;
            font-size: 8pt;
            font-weight: 500;
        }
    }

    .no-print {
        display: none !important;
    }

    html,
    body {
        min-height: auto !important;
        background-color: #FFFFFF !important;
        color: #000000 !important;
        padding: 0 !important;
    }

    #wizard-container {
        width: 100% !important;
        max-width: none !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    #training-form {
        width: 100% !important;
        max-width: none !important;
        margin: 0 !important;
        box-shadow: none !important;
        border: none !important;
        background: transparent !important;
        padding: 0 !important;
    }

    #training-form::before,
    .wizard-header, 
    .wizard-actions, 
    .btn {
        display: none !important;
    }

    .flow-progress,
    .payment-test-environment,
    .payment-stripe-trust,
    .generation-loading {
        display: none !important;
    }

    .wizard-step.active,
    .plan-preview-content,
    .plan-weeks {
        display: block !important;
    }

    .plan-preview-heading {
        display: none !important;
        margin: 0 !important;
    }

    h2 {
        color: #000000 !important;
    }

    .semana-header {
        border-bottom-color: #CCCCCC !important;
    }

    .semana-titulo {
        color: #000000 !important;
    }

    .intensity-track {
        display: none !important;
    }

    .dia-card {
        background-color: #F9F9F9 !important;
        border-color: #CCCCCC !important;
        color: #000000 !important;
        break-inside: avoid;
    }

    .dia-titulo {
        color: #0056CC !important;
        margin-bottom: 5px !important;
    }
    
    .dia-card p {
        color: #333333 !important;
    }

    .plan-strategy-card,
    .plan-glossary-card,
    .plan-global-safety-card,
    .plan-week-card,
    .plan-session-card,
    .plan-training-calendar,
    .plan-training-calendar-week {
        box-shadow: none !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .plan-strategy-card,
    .plan-glossary-card,
    .plan-global-safety-card {
        margin: 0 0 4mm;
        padding: 4mm 5mm;
        border-radius: 4mm;
    }

    .plan-strategy-card h3,
    .plan-glossary-card h3,
    .plan-global-safety-card h3 {
        margin-bottom: 2mm;
    }

    .plan-glossary-list {
        gap: 2.5mm 4mm;
    }

    .plan-weeks > .plan-section-eyebrow,
    .plan-weeks > h3 {
        margin-bottom: 2.5mm;
    }

    .plan-weeks {
        display: block !important;
    }

    .plan-week-card {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: start;
        gap: 2.5mm;
        overflow: visible !important;
        margin: 0 0 4mm;
        padding: 0 3mm 3mm;
        border: 0 !important;
        border-radius: 3mm;
        background: transparent !important;
        break-inside: auto;
        page-break-inside: auto;
    }

    .plan-week-heading {
        display: none !important;
    }

    .plan-week-print-heading {
        display: block;
        margin: -2.5mm -3mm 2.5mm;
        padding: 3mm 4mm;
        border-bottom: 1px solid #DDDDDF;
        border-radius: 2.5mm 2.5mm 0 0;
        background: #FBF6F7 !important;
    }

    .plan-week-print-heading h3 {
        margin-top: 0.5mm;
        margin-bottom: 0;
    }

    .plan-session-grid {
        display: contents !important;
    }

    .plan-session-card,
    .plan-rest-guidance,
    .plan-training-calendar-week {
        break-inside: avoid-page;
        page-break-inside: avoid;
    }

    .plan-session-card {
        display: block !important;
        width: auto !important;
        max-width: none !important;
        min-width: 0 !important;
        height: auto !important;
        margin: 0;
        padding: 2.5mm 3mm;
        overflow: visible !important;
        border-radius: 2.5mm;
        font-size: 8.5pt;
        line-height: 1.3;
    }

    .plan-session-card--week-opening {
        grid-column: 1 / -1;
    }

    .plan-session-heading {
        margin-bottom: 1.2mm;
    }

    .plan-session-heading h4 {
        font-size: 9.5pt;
    }

    .plan-session-purpose {
        margin-bottom: 1.5mm;
    }

    .plan-session-details {
        gap: 1.2mm;
    }

    .plan-session-detail dt {
        margin-bottom: 0.5mm;
        font-size: 7.5pt;
    }

    .plan-heart-rate-guidance {
        padding: 1.2mm 1.8mm;
    }

    .plan-session-card h5 {
        margin: 1.8mm 0 0.8mm;
    }

    .plan-alternative-list {
        gap: 0.6mm;
    }

    .plan-rest-guidance {
        grid-column: 1 / -1;
        margin: 0;
        padding: 3mm 4mm;
    }

    .plan-training-calendar {
        margin-top: 0;
        padding: 5mm;
        border-color: #BBBBBB !important;
        border-radius: 4mm;
        background: #F7F7F9 !important;
        break-before: auto;
        page-break-before: auto;
        break-inside: auto;
        page-break-inside: auto;
    }

    .plan-training-calendar-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 2mm;
    }

    .plan-training-calendar-description {
        margin-bottom: 3mm;
    }

    .plan-training-calendar-week {
        padding: 2mm 2.5mm;
        border-radius: 2mm;
    }

    .plan-training-calendar-days {
        gap: 1mm;
        margin-top: 1.5mm;
    }

    .plan-training-calendar-day {
        padding: 0.5mm 1.2mm;
    }

    .plan-training-calendar-range,
    .plan-training-calendar-summary,
    .plan-training-calendar-day {
        color: #000000 !important;
    }
}

/* Responsive adjustments */
@media (max-width: 480px) {
    #training-form {
        padding: 1.5rem;
    }
    
    .wizard-actions {
        flex-direction: column-reverse;
    }
    
    .btn {
        width: 100%;
    }
    
    .checkbox-box {
        flex: 1 1 100%;
    }
    .checkbox-label {
        width: 100%;
        text-align: center;
    }

    .summary-details {
        grid-template-columns: 1fr;
    }

    .payment-card {
        padding: 1.2rem;
    }

    .payment-price {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.2rem;
    }

    .generation-loading {
        align-items: flex-start;
    }

    .generation-loader-visual {
        flex-basis: 48px;
        width: 48px;
        height: 48px;
    }

    .generation-loader-dot {
        inset: 17px;
    }

}

small.helper-text {
    color: #c42b3e;
    font-size: 0.75rem;
    margin-top: 4px;
    display: block;
    opacity: 0.8;
}

@media (min-width: 768px) {
    .campo-formulario {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
    }
    .campo-formulario label {
        width: 40%;
        margin-bottom: 0;
    }
    .campo-formulario > input,
    .campo-formulario > select,
    .campo-formulario > div {
        width: 60%;
    }
}