/**
 * Running Calorie Calculator Styles
 * 
 * Huisstijl: De Hardloop Blessure Bijbel
 * Kleuren gebaseerd op merkdocument
 */

/* CSS Custom Properties - Brand Colors */
.rcc-calculator {
    --rcc-primary: #d9c826;
    --rcc-primary-dark: #c4b422;
    --rcc-primary-light: #e4d84d;
    --rcc-secondary: #a3cd3a;
    --rcc-secondary-dark: #8fb832;
    --rcc-accent: #d72188;
    --rcc-accent-light: #e04a9e;
    --rcc-dark: #3d2d25;
    --rcc-dark-soft: #5a453b;
    --rcc-text: #3d2d25;
    --rcc-text-light: #6b5a50;
    --rcc-text-muted: #97887d;
    --rcc-bg: #FFFFFF;
    --rcc-bg-soft: #faf8f3;
    --rcc-bg-warm: #efdfc9;
    --rcc-bg-card: #FFFFFF;
    --rcc-border: #e5ddd3;
    --rcc-border-focus: var(--rcc-primary);
    --rcc-coral: #f47f60;
    --rcc-peach: #e4b790;
    --rcc-sage: #b6dec0;
    --rcc-blue: #97a8c2;
    --rcc-shadow: 0 4px 6px -1px rgba(61, 45, 37, 0.1), 0 2px 4px -1px rgba(61, 45, 37, 0.06);
    --rcc-shadow-lg: 0 10px 15px -3px rgba(61, 45, 37, 0.1), 0 4px 6px -2px rgba(61, 45, 37, 0.05);
    --rcc-shadow-xl: 0 20px 25px -5px rgba(61, 45, 37, 0.1), 0 10px 10px -5px rgba(61, 45, 37, 0.04);
    --rcc-radius: 12px;
    --rcc-radius-lg: 16px;
    --rcc-radius-xl: 24px;
    --rcc-transition: all 0.2s ease;
    --rcc-font: 'Source Serif Pro', 'Georgia', serif;
    --rcc-font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Dark Theme */
.rcc-calculator.rcc-dark {
    --rcc-text: #F1F5F9;
    --rcc-text-light: #c4b9b0;
    --rcc-text-muted: #97887d;
    --rcc-bg: #3d2d25;
    --rcc-bg-soft: #4a3830;
    --rcc-bg-card: #4a3830;
    --rcc-border: #5a453b;
    --rcc-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
}

/* Base Container */
.rcc-calculator {
    font-family: var(--rcc-font-display);
    background: var(--rcc-bg);
    border-radius: var(--rcc-radius-xl);
    box-shadow: var(--rcc-shadow-xl);
    overflow: hidden;
    width: 100%;
    margin: 2rem auto;
    color: var(--rcc-text);
}

/* Width variants */
.rcc-calculator.rcc-width-720 {
    max-width: 720px;
}

.rcc-calculator.rcc-width-900 {
    max-width: 900px;
}

.rcc-calculator.rcc-width-1200 {
    max-width: 1200px;
}

/* Header */
.rcc-header {
    background: linear-gradient(135deg, var(--rcc-primary) 0%, var(--rcc-primary-dark) 100%);
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.rcc-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
    pointer-events: none;
}

.rcc-header-icon {
    width: 64px;
    height: 64px;
    background: rgba(61, 45, 37, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    backdrop-filter: blur(10px);
}

.rcc-header-icon svg {
    width: 32px;
    height: 32px;
    color: var(--rcc-dark);
}

.rcc-title {
    color: var(--rcc-dark);
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    letter-spacing: -0.02em;
}

.rcc-subtitle {
    color: var(--rcc-dark-soft);
    font-size: 1rem;
    margin: 0;
    font-weight: 400;
}

/* Progress Steps */
.rcc-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 2rem;
    background: var(--rcc-bg-soft);
    border-bottom: 1px solid var(--rcc-border);
    gap: 0.5rem;
}

.rcc-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    opacity: 0.4;
    transition: var(--rcc-transition);
}

.rcc-step.active {
    opacity: 1;
}

.rcc-step.completed {
    opacity: 1;
}

.rcc-step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--rcc-border);
    color: var(--rcc-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--rcc-transition);
}

.rcc-step.active .rcc-step-number {
    background: var(--rcc-primary);
    color: var(--rcc-dark);
}

.rcc-step.completed .rcc-step-number {
    background: var(--rcc-secondary);
    color: white;
}

.rcc-step-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--rcc-text-light);
}

.rcc-step.active .rcc-step-label {
    color: var(--rcc-text);
}

.rcc-step-line {
    flex: 1;
    height: 2px;
    background: var(--rcc-border);
    max-width: 60px;
}

/* Form Container */
.rcc-form-container {
    padding: 2rem;
}

.rcc-form-step {
    display: none;
    animation: fadeIn 0.3s ease;
}

.rcc-form-step.active {
    display: block;
}

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

.rcc-form-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: var(--rcc-text);
}

.rcc-form-desc {
    color: var(--rcc-text-light);
    font-size: 0.9375rem;
    margin: 0 0 1.5rem;
    line-height: 1.5;
}

/* Fields */
.rcc-field {
    margin-bottom: 1.5rem;
}

.rcc-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--rcc-text);
    margin-bottom: 0.5rem;
}

.rcc-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.rcc-input-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    padding-right: 3.5rem;
    font-size: 1rem;
    font-family: var(--rcc-font-display);
    border: 2px solid var(--rcc-border);
    border-radius: var(--rcc-radius);
    background: var(--rcc-bg);
    color: var(--rcc-text);
    transition: var(--rcc-transition);
}

.rcc-input-group input:focus {
    outline: none;
    border-color: var(--rcc-primary);
    box-shadow: 0 0 0 3px rgba(217, 200, 38, 0.2);
}

.rcc-input-group input.rcc-input-error {
    border-color: var(--rcc-accent);
    box-shadow: 0 0 0 3px rgba(215, 33, 136, 0.15);
}

.rcc-input-group input::placeholder {
    color: var(--rcc-text-muted);
}

.rcc-unit {
    position: absolute;
    right: 1rem;
    color: var(--rcc-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
}

.rcc-hint {
    display: block;
    font-size: 0.8125rem;
    color: var(--rcc-text-muted);
    margin-top: 0.5rem;
}

/* Contact Fields */
.rcc-contact-fields {
    margin-bottom: 1.5rem;
}

.rcc-field-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.rcc-field-row:last-child {
    margin-bottom: 0;
}

@media (min-width: 500px) {
    .rcc-field-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

.rcc-field-half {
    margin-bottom: 0;
}

.rcc-divider {
    border: none;
    border-top: 1px solid var(--rcc-border);
    margin: 1.5rem 0;
}

/* Toggle Buttons */
.rcc-toggle-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.rcc-toggle-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    border: 2px solid var(--rcc-border);
    border-radius: var(--rcc-radius);
    background: var(--rcc-bg);
    cursor: pointer;
    transition: var(--rcc-transition);
    text-align: left;
}

.rcc-toggle-btn:hover {
    border-color: var(--rcc-primary-light);
    background: var(--rcc-bg-soft);
}

.rcc-toggle-btn.active {
    border-color: var(--rcc-primary);
    background: rgba(217, 200, 38, 0.1);
}

.rcc-toggle-title {
    font-weight: 600;
    color: var(--rcc-text);
    font-size: 0.9375rem;
}

.rcc-toggle-desc {
    font-size: 0.8125rem;
    color: var(--rcc-text-muted);
    margin-top: 0.25rem;
}

/* Gender Selection */
.rcc-gender-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.rcc-gender-option input {
    display: none;
}

.rcc-gender-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 1rem;
    border: 2px solid var(--rcc-border);
    border-radius: var(--rcc-radius);
    cursor: pointer;
    transition: var(--rcc-transition);
    background: var(--rcc-bg);
}

.rcc-gender-box svg {
    width: 32px;
    height: 32px;
    color: var(--rcc-text-light);
    transition: var(--rcc-transition);
}

.rcc-gender-box span {
    font-weight: 500;
    color: var(--rcc-text-light);
}

.rcc-gender-option input:checked + .rcc-gender-box {
    border-color: var(--rcc-primary);
    background: rgba(217, 200, 38, 0.1);
}

.rcc-gender-option input:checked + .rcc-gender-box svg {
    color: var(--rcc-dark);
}

.rcc-gender-option input:checked + .rcc-gender-box span {
    color: var(--rcc-text);
}

.rcc-gender-box:hover {
    border-color: var(--rcc-primary-light);
    background: var(--rcc-bg-soft);
}

/* PAL Selection */
.rcc-pal-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.rcc-pal-option input {
    display: none;
}

.rcc-pal-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border: 2px solid var(--rcc-border);
    border-radius: var(--rcc-radius);
    cursor: pointer;
    transition: var(--rcc-transition);
    background: var(--rcc-bg);
}

.rcc-pal-card:hover {
    border-color: var(--rcc-primary-light);
    background: var(--rcc-bg-soft);
}

.rcc-pal-option input:checked + .rcc-pal-card {
    border-color: var(--rcc-primary);
    background: rgba(217, 200, 38, 0.1);
}

.rcc-pal-icon {
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
}

.rcc-pal-content {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.rcc-pal-title {
    font-weight: 600;
    color: var(--rcc-text);
    font-size: 0.9375rem;
}

.rcc-pal-value {
    font-size: 0.75rem;
    color: var(--rcc-accent);
    font-weight: 600;
    text-transform: uppercase;
}

.rcc-pal-desc {
    font-size: 0.8125rem;
    color: var(--rcc-text-muted);
    margin-top: 0.125rem;
}

/* MET Selection */
.rcc-field-met {
    margin-bottom: 1.5rem;
}

.rcc-met-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

@media (min-width: 600px) {
    .rcc-met-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.rcc-met-option input {
    display: none;
}

.rcc-met-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    border: 2px solid var(--rcc-border);
    border-radius: var(--rcc-radius);
    cursor: pointer;
    transition: var(--rcc-transition);
    background: var(--rcc-bg);
    text-align: center;
}

.rcc-met-card:hover {
    border-color: var(--rcc-primary-light);
    background: var(--rcc-bg-soft);
}

.rcc-met-option input:checked + .rcc-met-card {
    border-color: var(--rcc-secondary);
    background: rgba(163, 205, 58, 0.1);
}

.rcc-met-value {
    font-weight: 700;
    color: var(--rcc-secondary-dark);
    font-size: 0.875rem;
}

.rcc-met-speed {
    font-size: 1rem;
    font-weight: 600;
    color: var(--rcc-text);
    margin-top: 0.25rem;
}

.rcc-met-pace {
    font-size: 0.8125rem;
    color: var(--rcc-text-muted);
}

/* Source Note */
.rcc-source-note {
    font-size: 0.75rem;
    color: var(--rcc-text-muted);
    text-align: center;
    margin-top: 1rem;
    font-style: italic;
}

/* Navigation Buttons */
.rcc-nav {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--rcc-border);
}

.rcc-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--rcc-font-display);
    border: 2px solid transparent;
    border-radius: var(--rcc-radius);
    cursor: pointer;
    transition: var(--rcc-transition);
}

.rcc-btn svg {
    width: 18px;
    height: 18px;
}

.rcc-btn-prev {
    background: var(--rcc-bg);
    border-color: var(--rcc-border);
    color: var(--rcc-text-light);
}

.rcc-btn-prev svg {
    color: var(--rcc-text-muted);
}

.rcc-btn-prev:hover {
    background: var(--rcc-secondary);
    border-color: var(--rcc-secondary);
    color: #ffffff;
}

.rcc-btn-prev:hover svg {
    color: #ffffff;
}

.rcc-btn-next {
    margin-left: auto;
    background: var(--rcc-dark);
    border-color: var(--rcc-dark);
    color: white;
}

.rcc-btn-next:hover {
    background: var(--rcc-dark-soft);
    border-color: var(--rcc-dark-soft);
}

.rcc-btn-primary {
    background: linear-gradient(135deg, var(--rcc-secondary) 0%, var(--rcc-secondary-dark) 100%);
    border-color: var(--rcc-secondary);
    color: white;
}

.rcc-btn-primary:hover {
    background: linear-gradient(135deg, var(--rcc-secondary-dark) 0%, var(--rcc-secondary-dark) 100%);
    transform: translateY(-1px);
    box-shadow: var(--rcc-shadow-lg);
}

.rcc-btn-reset {
    background: var(--rcc-bg-soft);
    border-color: var(--rcc-border);
}

/* Results Section */
.rcc-results {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.rcc-result-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    border-radius: var(--rcc-radius);
    background: var(--rcc-bg-soft);
    border: 1px solid var(--rcc-border);
}

.rcc-result-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--rcc-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.rcc-result-icon svg {
    width: 24px;
    height: 24px;
}

.rcc-result-rmr .rcc-result-icon {
    background: rgba(163, 205, 58, 0.15);
    color: var(--rcc-secondary-dark);
}

.rcc-result-daily .rcc-result-icon {
    background: rgba(151, 168, 194, 0.2);
    color: var(--rcc-blue);
}

.rcc-result-training .rcc-result-icon {
    background: rgba(244, 127, 96, 0.15);
    color: var(--rcc-coral);
}

.rcc-result-total .rcc-result-icon {
    background: rgba(217, 200, 38, 0.2);
    color: var(--rcc-primary-dark);
}

.rcc-result-content {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.rcc-result-label {
    font-weight: 600;
    color: var(--rcc-text);
    font-size: 0.9375rem;
}

.rcc-result-sublabel {
    font-size: 0.8125rem;
    color: var(--rcc-text-muted);
}

.rcc-result-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--rcc-text);
    margin-top: 0.25rem;
}

.rcc-result-highlight {
    background: linear-gradient(135deg, var(--rcc-secondary) 0%, var(--rcc-secondary-dark) 100%);
    border-color: transparent;
}

.rcc-result-highlight .rcc-result-icon {
    background: rgba(255,255,255,0.2);
    color: white;
}

.rcc-result-highlight .rcc-result-label,
.rcc-result-highlight .rcc-result-sublabel,
.rcc-result-highlight .rcc-result-value {
    color: white;
}

.rcc-result-highlight .rcc-result-sublabel {
    opacity: 0.85;
}

/* Formulas Toggle */
.rcc-formulas-toggle {
    margin-top: 1rem;
}

.rcc-toggle-formulas {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--rcc-bg-soft);
    border: 1px solid var(--rcc-border);
    border-radius: var(--rcc-radius);
    cursor: pointer;
    font-family: var(--rcc-font-display);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--rcc-text);
    transition: var(--rcc-transition);
}

.rcc-toggle-formulas:hover {
    background: var(--rcc-border);
}

.rcc-toggle-formulas svg {
    width: 18px;
    height: 18px;
    transition: transform 0.2s ease;
}

.rcc-toggle-formulas.active svg {
    transform: rotate(180deg);
}

.rcc-formulas-content {
    padding: 1rem;
    background: var(--rcc-bg-soft);
    border: 1px solid var(--rcc-border);
    border-top: none;
    border-radius: 0 0 var(--rcc-radius) var(--rcc-radius);
}

.rcc-formula-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--rcc-border);
    font-size: 0.875rem;
    color: var(--rcc-text);
}

.rcc-formula-item:last-child {
    border-bottom: none;
}

.rcc-formula-item strong {
    display: block;
    margin-bottom: 0.25rem;
}

.rcc-formula-item code {
    display: block;
    padding: 0.5rem;
    background: var(--rcc-bg);
    border-radius: 6px;
    font-size: 0.8125rem;
    color: var(--rcc-accent);
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    overflow-x: auto;
}

/* Footer */
.rcc-footer {
    padding: 1rem 2rem;
    background: var(--rcc-bg-soft);
    border-top: 1px solid var(--rcc-border);
    text-align: center;
}

.rcc-footer p {
    font-size: 0.75rem;
    color: var(--rcc-text-muted);
    margin: 0;
}

/* Privacy Note */
.rcc-privacy-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
    background: var(--rcc-bg-soft);
    border-radius: var(--rcc-radius);
    font-size: 0.8125rem;
    color: var(--rcc-text-muted);
    margin-top: 1rem;
}

.rcc-privacy-note svg {
    flex-shrink: 0;
    color: var(--rcc-secondary);
}

/* Success Message */
.rcc-success-message {
    text-align: center;
    padding: 2rem 1rem;
}

.rcc-success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--rcc-secondary) 0%, var(--rcc-secondary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    animation: successPop 0.5s ease;
}

@keyframes successPop {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.rcc-success-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.rcc-success-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--rcc-text);
    margin: 0 0 0.75rem;
}

.rcc-success-text {
    font-size: 1rem;
    color: var(--rcc-text);
    margin: 0 0 0.5rem;
    line-height: 1.5;
}

.rcc-success-subtext {
    font-size: 0.875rem;
    color: var(--rcc-text-muted);
    margin: 0 0 2rem;
}

.rcc-success-message .rcc-btn-reset {
    margin: 0 auto;
    background: var(--rcc-bg);
    border: 2px solid var(--rcc-border);
    color: var(--rcc-text);
}

.rcc-success-message .rcc-btn-reset:hover {
    background: var(--rcc-secondary);
    border-color: var(--rcc-secondary);
    color: #ffffff;
}

.rcc-success-message .rcc-btn-reset:hover svg {
    color: #ffffff;
}

/* Loading State */
.rcc-btn.rcc-loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.rcc-btn.rcc-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 600px) {
    .rcc-calculator {
        margin: 1rem;
        border-radius: var(--rcc-radius-lg);
    }

    .rcc-header {
        padding: 2rem 1.5rem;
    }

    .rcc-title {
        font-size: 1.5rem;
    }

    .rcc-progress {
        padding: 1rem;
        overflow-x: auto;
    }

    .rcc-step-label {
        display: none;
    }

    .rcc-form-container {
        padding: 1.5rem;
    }

    .rcc-toggle-group,
    .rcc-gender-group {
        grid-template-columns: 1fr;
    }

    .rcc-nav {
        flex-direction: column;
    }

    .rcc-btn {
        justify-content: center;
    }

    .rcc-btn-next {
        margin-left: 0;
        order: -1;
    }

    .rcc-result-value {
        font-size: 1.25rem;
    }
}

/* Print styles */
@media print {
    .rcc-calculator {
        box-shadow: none;
    }
    
    .rcc-nav,
    .rcc-formulas-toggle {
        display: none;
    }
}

/* Honeypot field - hidden from users */
.rcc-hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
}