@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

* {
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Custom animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.5s ease-out;
}

.animate-slide-in {
    animation: slideIn 0.3s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Gutsphere brand gradient backgrounds */
.gradient-primary {
    background: linear-gradient(135deg, #FF5A5F 0%, #FA6B54 100%);
}

.gradient-secondary {
    background: linear-gradient(135deg, #FA6B54 0%, #FFDCD7 100%);
}

.gradient-success {
    background: linear-gradient(135deg, #6941C6 0%, #FF5A5F 100%);
}

.gradient-calm {
    background: linear-gradient(135deg, #FFDCD7 0%, #FA6B54 100%);
}

/* Additional Gutsphere brand gradients */
.gradient-coral {
    background: linear-gradient(135deg, #FF5A5F 0%, #FA6B54 100%);
}

.gradient-subtle {
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
}

.gradient-card {
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
}

.dark .gradient-subtle {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.dark .gradient-card {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

.dark ::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.dark ::-webkit-scrollbar-thumb {
    background: var(--border-color);
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* Progress bar animation */
.progress-fill {
    transition: width 0.5s ease-out;
}

/* Screen container */
.screen {
    display: none;
    min-height: 100vh;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.screen.active {
    display: flex;
}

/* Custom checkbox */
.custom-checkbox {
    appearance: none;
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    position: relative;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--bg-primary);
}

.custom-checkbox:checked {
    background: linear-gradient(135deg, #FF5A5F 0%, #FA6B54 100%);
    border: none;
}

.custom-checkbox:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
}

/* Custom radio button */
.custom-radio {
    appearance: none;
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    position: relative;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--bg-primary);
}

.custom-radio:checked {
    border-color: #FF5A5F;
    background: var(--bg-primary);
}

.custom-radio:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, #FF5A5F 0%, #FA6B54 100%);
}

/* Slider styles - using more specific selectors */
input[type="range"] {
    appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: var(--border-color);
    outline: none;
    transition: background 0.3s;
    position: relative;
}

/* Slider track filled portion */
input[type="range"]::-webkit-slider-runnable-track {
    background: linear-gradient(135deg, #FF5A5F 0%, #FA6B54 100%);
    height: 8px;
    border-radius: 5px;
}

input[type="range"]::-moz-range-track {
    background: var(--border-color);
    height: 8px;
    border-radius: 5px;
    border: none;
}

input[type="range"]::-moz-range-progress {
    background: linear-gradient(135deg, #FF5A5F 0%, #FA6B54 100%);
    height: 8px;
    border-radius: 5px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none !important;
    appearance: none !important;
    width: 24px !important;
    height: 24px !important;
    border-radius: 50% !important;
    background: linear-gradient(135deg, #FF5A5F 0%, #FA6B54 100%) !important;
    cursor: pointer !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2) !important;
    margin-top: -8px !important; /* Center 24px thumb on 8px track */
    transition: transform 0.2s ease-in-out !important;
}

input[type="range"]::-moz-range-thumb {
    width: 24px !important;
    height: 24px !important;
    border-radius: 50% !important;
    background: linear-gradient(135deg, #FF5A5F 0%, #FA6B54 100%) !important;
    cursor: pointer !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2) !important;
    border: 3px solid white !important;
    transition: transform 0.2s ease-in-out !important;
}

input[type="range"]::-webkit-slider-thumb:hover,
input[type="range"]:focus::-webkit-slider-thumb {
    transform: scale(1.1);
}

input[type="range"]::-moz-range-thumb:hover,
input[type="range"]:focus::-moz-range-thumb {
    transform: scale(1.1);
}

input[type="range"]:focus {
    outline: none;
}

/* Dark mode slider styles */
.dark input[type="range"] {
    background: var(--border-color);
}

.dark input[type="range"]::-moz-range-track {
    background: var(--border-color);
}

/* Aha moment styles */
.aha-moment {
    background: linear-gradient(135deg, #FFDCD7 0%, #FA6B54 100%);
    border-left: 4px solid #FF5A5F;
    color: var(--text-primary);
}

.dark .aha-moment {
    background: linear-gradient(135deg, rgba(255, 220, 215, 0.1) 0%, rgba(250, 107, 84, 0.1) 100%);
    border-left: 4px solid #FF5A5F;
}

/* Card hover effect */
.hover-card {
    transition: all 0.3s;
}

.hover-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.dark .hover-card:hover {
    box-shadow: var(--shadow-dark);
}

/* Gut icon animation */
.gut-icon {
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

/* Onboarding-specific Design System - Higher specificity to override Tailwind */
.onboarding-container {
    --primary-color: #FF5A5F;
    --primary-light: #FA6B54;
    --secondary-color: #FFDCD7;
    --success-color: #6941C6;
    --warning-color: #FA6B54;
    --info-color: #FF5A5F;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --border-color: #e5e7eb;
    --border-light: #f3f4f6;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-dark: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

/* Dark mode variables for onboarding */
.dark .onboarding-container {
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --border-color: #374151;
    --border-light: #4b5563;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-dark: 0 4px 6px -1px rgba(0, 0, 0, 0.6);
}

/* Typography Scale */
.text-display {
    font-size: 2.25rem;
    line-height: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.text-heading {
    font-size: 1.875rem;
    line-height: 2.25rem;
    font-weight: 600;
    letter-spacing: -0.025em;
}

.text-title {
    font-size: 1.5rem;
    line-height: 2rem;
    font-weight: 600;
}

.text-subtitle {
    font-size: 1rem;
    line-height: 1.5rem;
    font-weight: 500;
}

.text-body {
    font-size: 1rem;
    line-height: 1.5rem;
    font-weight: 400;
}

.text-caption {
    font-size: 0.75rem;
    line-height: 1.25rem;
    font-weight: 400;
}

.text-small {
    font-size: 0.75rem;
    line-height: 1rem;
    font-weight: 400;
}

/* Component Base Styles - Onboarding specific */
.onboarding-container .card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
    color: var(--text-primary);
}

.onboarding-container .card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.onboarding-container .card-selected {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(255, 90, 95, 0.05) 0%, rgba(250, 107, 84, 0.05) 100%);
    box-shadow: var(--shadow-md);
}

.dark .onboarding-container .card-selected {
    background: linear-gradient(135deg, rgba(255, 90, 95, 0.1) 0%, rgba(250, 107, 84, 0.1) 100%);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--shadow-sm);
}

.btn-primary:disabled:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
}

.input-field {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color) !important;
    border-radius: var(--radius-md) !important;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.dark .input-field {
    background: var(--bg-secondary);
    color: #ffffff;
}

.input-field:focus {
    outline: none !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(255, 90, 95, 0.1) !important;
}

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

.dark .input-field:focus {
    box-shadow: 0 0 0 3px rgba(255, 90, 95, 0.2) !important;
}

/* Remove dropdown arrow for text inputs */
.input-field[type="text"],
.input-field[type="number"] {
    background-image: none;
}

/* Keep dropdown arrow for select elements */
select.input-field {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23495057' 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 8px center;
    background-size: 16px;
    padding-right: 32px;
}

.option-card {
    display: flex;
    align-items: center;
    padding: var(--spacing-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.option-card:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(255, 90, 95, 0.02) 0%, rgba(250, 107, 84, 0.02) 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.option-card.selected {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(255, 90, 95, 0.05) 0%, rgba(250, 107, 84, 0.05) 100%);
    box-shadow: var(--shadow-md);
}

.dark .option-card:hover {
    background: linear-gradient(135deg, rgba(255, 90, 95, 0.05) 0%, rgba(250, 107, 84, 0.05) 100%);
}

.dark .option-card.selected {
    background: linear-gradient(135deg, rgba(255, 90, 95, 0.1) 0%, rgba(250, 107, 84, 0.1) 100%);
}

/* Name preview initial state */
#namePreview {
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease-in-out;
}

/* Custom styling for unit dropdowns */
.unit-select {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 2px solid var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
    min-width: 80px;
    text-align: center;
}

.unit-select:hover {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--border-color) 100%);
    border-color: var(--border-light);
}

.unit-select:focus {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-color: #FF5A5F;
    box-shadow: 0 0 0 3px rgba(255, 90, 95, 0.1);
}

/* Hide default dropdown arrow and add custom one */
.unit-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23495057' 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 8px center;
    background-size: 16px;
    padding-right: 32px;
}

/* Dark mode styles for unit dropdowns */
.dark .unit-select {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.dark .unit-select:hover {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--border-color) 100%);
    border-color: var(--border-light);
}

.dark .unit-select:focus {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-color: #FF5A5F;
    box-shadow: 0 0 0 3px rgba(255, 90, 95, 0.2);
}

/* Tooltip styles */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 280px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    text-align: center;
    border-radius: 8px;
    padding: 12px 16px;
    position: absolute;
    z-index: 1000;
    bottom: 125%;
    left: 50%;
    margin-left: -140px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 14px;
    line-height: 1.4;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.tooltip .tooltiptext::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--bg-secondary) transparent transparent transparent;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

.tooltip:focus .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* Dark mode tooltip */
.dark .tooltip .tooltiptext {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.dark .tooltip .tooltiptext::after {
    border-color: var(--bg-secondary) transparent transparent transparent;
}

/* Safe-area support for devices with system navigation bars */
.onboarding-container .fixed.bottom-0 {
    bottom: env(safe-area-inset-bottom, 0px);
    padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 3.5rem) !important;
}

/* Ensure scrollable content clears the fixed footer + safe area */
.onboarding-container [id$='-form'] {
    padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 8rem) !important;
}