/**
 * OBS Step Menu - Production Styles
 * Version: 3.0.0
 * 
 * Optimized for performance, accessibility, and mobile-first design
 * Compatible with WoodMart theme and WooCommerce
 */

/* CSS Custom Properties */
:root {
    --obs-primary: #2e6bc6;
    --obs-primary-hover: #1a6aa8;
    --obs-border: #ddd;
    --obs-bg-light: #f8f8f8;
    --obs-text: #333;
    --obs-text-light: #666;
    --obs-success: #46b450;
    --obs-error: #dc3232;
    --obs-spacing: 1rem;
    --obs-transition: all 0.2s ease;
    --obs-radius: 4px;
    --obs-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    --obs-shadow-focus: 0 0 0 2px rgba(46, 107, 198, 0.3);
}

/* Core Container */
.obs-stepmenu-container {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif !important;
    color: var(--obs-text) !important;
    line-height: 1.5 !important;
    box-sizing: border-box !important;
}

.obs-stepmenu-container *,
.obs-stepmenu-container *::before,
.obs-stepmenu-container *::after {
    box-sizing: inherit !important;
}

/* Header */
.obs-stepmenu-header {
    text-align: center;
    margin-bottom: calc(var(--obs-spacing) * 1.5);
    padding: 0 var(--obs-spacing);
}

.obs-stepmenu-title {
    font-size: 1.5rem !important;
    font-weight: 600 !important;
    color: var(--obs-text) !important;
    margin: 0 0 0.5rem !important;
}

.obs-stepmenu-subtitle {
    font-size: 1rem !important;
    color: var(--obs-text-light) !important;
    margin: 0 !important;
}

/* Main Content */
.obs-stepmenu-row {
    background: var(--obs-bg-light) !important;
    border: 1px solid var(--obs-border) !important;
    border-radius: var(--obs-radius) !important;
    padding: var(--obs-spacing) !important;
    position: relative !important;
}

/* Progress Bar */
.obs-progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--obs-border);
    border-radius: var(--obs-radius) var(--obs-radius) 0 0;
    overflow: hidden;
}

.obs-progress-fill {
    height: 100%;
    background: var(--obs-primary);
    width: 0;
    transition: width 0.3s ease;
}

.obs-progress-fill[data-step="1"] { width: 33.33%; }
.obs-progress-fill[data-step="2"] { width: 66.66%; }
.obs-progress-fill[data-step="3"] { width: 100%; }

/* Grid Layout */
.obs-fields-grid {
    display: grid;
    gap: var(--obs-spacing);
    margin-top: var(--obs-spacing);
}

/* Field Components */
.obs-field-wrapper {
    position: relative;
}

.obs-field-indicator {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: var(--obs-primary) !important;
    color: white !important;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600 !important;
    font-size: 0.875rem !important;
    z-index: 1;
    transition: var(--obs-transition);
}

.obs-field-wrapper.completed .obs-field-indicator {
    background: var(--obs-success) !important;
}

.obs-field-content {
    padding-left: 44px;
}

/* Labels */
.obs-field-label {
    display: block !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    color: var(--obs-text-light) !important;
    margin-bottom: 0.25rem !important;
}

/* Dropdown Selects - WoodMart Override */
.obs-stepmenu-container .obs-dropdown,
.obs-stepmenu-container select.obs-dropdown {
    width: 100% !important;
    padding: 0.625rem 2.5rem 0.625rem 0.875rem !important;
    font-size: 0.9375rem !important;
    line-height: 1.5 !important;
    color: var(--obs-text) !important;
    background-color: white !important;
    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='%23666' 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") !important;
    background-repeat: no-repeat !important;
    background-position: right 0.75rem center !important;
    background-size: 16px !important;
    border: 1px solid var(--obs-border) !important;
    border-radius: var(--obs-radius) !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    cursor: pointer !important;
    transition: var(--obs-transition) !important;
    min-height: auto !important;
    height: auto !important;
}

:is(.btn, .button, button) .obs-dropdown {
    all: unset !important;
    width: 100% !important;
    padding: 0.625rem 2.5rem 0.625rem 0.875rem !important;
    font-size: 0.9375rem !important;
    line-height: 1.5 !important;
    color: var(--obs-text) !important;
    background-color: white !important;
    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='%23666' 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") !important;
    background-repeat: no-repeat !important;
    background-position: right 0.75rem center !important;
    background-size: 16px !important;
    border: 1px solid var(--obs-border) !important;
    border-radius: var(--obs-radius) !important;
    appearance: none !important;
    cursor: pointer !important;
    transition: var(--obs-transition) !important;
}

.obs-dropdown:hover:not(:disabled) {
    border-color: var(--obs-primary) !important;
}

/* Active State Hover */
.obs-dropdown.obs-stepmenu-active:hover:not(:disabled) {
    border-color: #ffaa00 !important;
    background-color: #fff9e6 !important;
}

.obs-dropdown:focus {
    outline: none !important;
    border-color: var(--obs-primary) !important;
    box-shadow: var(--obs-shadow-focus) !important;
}

/* Active State Focus */
.obs-dropdown.obs-stepmenu-active:focus {
    border-color: #ffaa00 !important;
    background-color: #fff9e6 !important;
    box-shadow: 0 0 0 2px rgba(255, 170, 0, 0.3) !important;
}

.obs-dropdown:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    background-color: var(--obs-bg-light) !important;
}

/* Active State Highlighting */
.obs-stepmenu-active {
    border-color: #ffaa00 !important;
    background-color: #fff9e6 !important;
    box-shadow: 0 0 0 2px rgba(255, 170, 0, 0.3) !important;
    transition: var(--obs-transition) !important;
}

/* Loading States */
.obs-dropdown.obs-loading {
    position: relative !important;
    pointer-events: none !important;
}

.obs-dropdown.obs-loading::after {
    content: '' !important;
    position: absolute !important;
    right: 0.75rem !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 16px !important;
    height: 16px !important;
    border: 2px solid var(--obs-border) !important;
    border-top-color: var(--obs-primary) !important;
    border-radius: 50% !important;
    animation: obs-spin-dropdown 1.5s linear infinite !important;
}

/* Button Loading */
.obs-stepmenu-btn.obs-loading {
    position: relative !important;
    pointer-events: none !important;
}

.obs-stepmenu-btn.obs-loading::after {
    content: '' !important;
    display: inline-block !important;
    width: 16px !important;
    height: 16px !important;
    margin-left: 0.5rem !important;
    vertical-align: middle !important;
    border: 2px solid rgba(255, 255, 255, 0.3) !important;
    border-top-color: white !important;
    border-radius: 50% !important;
    animation: obs-spin-inline 1s linear infinite !important;
}

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

/* Animation Keyframes */
@keyframes obs-spin-dropdown {
    to { transform: translateY(-50%) rotate(360deg); }
}

.obs-dropdown.obs-loading::after {
    animation: obs-spin-dropdown 1.5s linear infinite !important;
}

/* Submit Button */
.obs-stepmenu-submit {
    margin-top: calc(var(--obs-spacing) * 1.5) !important;
    text-align: center !important;
    /* Conditional visibility animation */
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, margin-top 0.3s ease;
}

/* Submit Button Visibility */
.obs-stepmenu-submit.show {
    max-height: 80px;
    opacity: 1;
}

.obs-stepmenu-container .obs-stepmenu-btn,
.obs-stepmenu-container button.obs-stepmenu-btn {
    all: unset !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.5rem !important;
    padding: 0.75rem 1.5rem !important;
    font-size: 1rem !important;
    font-weight: 500 !important;
    color: white !important;
    background-color: var(--obs-primary) !important;
    border: none !important;
    border-radius: var(--obs-radius) !important;
    cursor: pointer !important;
    transition: var(--obs-transition) !important;
    text-decoration: none !important;
    font-family: inherit !important;
    line-height: 1.5 !important;
    box-sizing: border-box !important;
    text-transform: none !important;
}

:is(.btn, .button, button).obs-stepmenu-btn {
    all: unset !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.5rem !important;
    padding: 0.75rem 1.5rem !important;
    font-size: 1rem !important;
    font-weight: 500 !important;
    color: white !important;
    background-color: var(--obs-primary) !important;
    border: none !important;
    border-radius: var(--obs-radius) !important;
    cursor: pointer !important;
    transition: var(--obs-transition) !important;
    text-decoration: none !important;
    position: relative !important;
}

.obs-stepmenu-btn:hover:not(:disabled) {
    background-color: var(--obs-primary-hover) !important;
    transform: translateY(-1px) !important;
    box-shadow: var(--obs-shadow) !important;
    color: white !important;
}

.obs-stepmenu-btn:active {
    transform: translateY(0) !important;
}

.obs-stepmenu-btn:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    background-color: var(--obs-primary) !important;
}

/* Animations */
@keyframes obs-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.obs-pulse {
    animation: obs-pulse 2s ease-in-out infinite;
}

/* Utility Classes */
.obs-hidden {
    display: none !important;
}

/* Accessibility Features */
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.screen-reader-text:focus {
    background-color: #f1f1f1;
    border-radius: var(--obs-radius);
    box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
    clip: auto !important;
    clip-path: none;
    color: var(--obs-text);
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}

/* Skip Navigation */
.obs-skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 999999;
    background: var(--obs-primary);
    color: white;
    padding: 0.5rem 1rem;
    text-decoration: none;
    border-radius: 0 0 var(--obs-radius) 0;
}

.obs-skip-link:focus {
    left: 0;
}

/* Responsive Design - Desktop First */
@media (min-width: 1025px) {
    .obs-stepmenu-container {
        max-width: 1300px !important;
        margin: 0 auto;
    }
    
    .obs-fields-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .obs-stepmenu-header {
        text-align: left;
    }
}

/* Tablet Breakpoint */
@media (min-width: 641px) and (max-width: 1024px) {
    :root {
        --obs-spacing: 0.75rem;
    }
    
    .obs-stepmenu-container {
        max-width: 768px !important;
        margin: 0 auto;
    }
    
    .obs-stepmenu-title {
        font-size: 1.25rem !important;
    }
    
    .obs-stepmenu-subtitle {
        font-size: 0.875rem !important;
    }
    
    .obs-stepmenu-header {
        margin-bottom: 1rem;
    }
    
    .obs-fields-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .obs-field-indicator {
        width: 28px;
        height: 28px;
        font-size: 0.75rem !important;
    }
    
    .obs-field-content {
        padding-left: 38px;
    }
    
    .obs-dropdown {
        padding: 0.5rem 2.25rem 0.5rem 0.75rem !important;
        font-size: 0.875rem !important;
    }
    
    .obs-stepmenu-btn {
        padding: 0.625rem 1.25rem !important;
        font-size: 0.875rem !important;
    }
}

/* Mobile Breakpoint */
@media (max-width: 640px) {
    :root {
        --obs-spacing: 0.5rem;
    }
    
    /* Compact header inside the box */
    .obs-stepmenu-header {
        margin-bottom: 0.75rem;
        padding: 0;
    }
    
    .obs-stepmenu-title {
        font-size: 1rem !important;
        line-height: 1.2 !important;
        margin-bottom: 0.25rem !important;
    }
    
    .obs-stepmenu-subtitle {
        font-size: 0.75rem !important;
        line-height: 1.3 !important;
        color: var(--obs-text-light) !important;
    }
    
    /* Ultra-compact row */
    .obs-stepmenu-row {
        padding: 0.75rem !important;
    }
    
    /* Single column layout */
    .obs-fields-grid {
        grid-template-columns: 1fr;
        gap: 0.625rem;
        margin-top: 0.75rem;
    }
    
    /* Smaller indicators */
    .obs-field-indicator {
        width: 24px !important;
        height: 24px !important;
        font-size: 0.7rem !important;
    }
    
    .obs-field-content {
        padding-left: 32px;
    }
    
    /* Compact labels */
    .obs-field-label {
        font-size: 0.8125rem !important;
        margin-bottom: 0.125rem !important;
    }
    
    /* Compact dropdowns */
    .obs-stepmenu-container .obs-dropdown,
    .obs-stepmenu-container select.obs-dropdown {
        padding: 0.5rem 2rem 0.5rem 0.625rem !important;
        font-size: 16px !important; /* Prevents iOS zoom */
        background-size: 14px !important;
        background-position: right 0.5rem center !important;
    }
    
    /* Compact button */
    .obs-stepmenu-submit.show {
        margin-top: 1rem !important;
    }
    
    .obs-stepmenu-container .obs-stepmenu-btn,
    .obs-stepmenu-container button.obs-stepmenu-btn {
        width: 100% !important;
        padding: 0.75rem 1rem !important;
        font-size: 0.875rem !important;
        position: relative !important;
    }
    
    /* Reduce progress bar on mobile */
    .obs-progress-bar {
        height: 2px;
    }
    
    /* Overall container padding for mobile */
    .obs-stepmenu-container {
        padding: 0 0.5rem;
    }
}

/* Small Mobile Devices */
@media (max-width: 375px) {
    .obs-stepmenu-title {
        font-size: 0.9375rem !important;
    }
    
    .obs-stepmenu-subtitle {
        font-size: 0.7rem !important;
    }
    
    .obs-field-label {
        font-size: 0.75rem !important;
    }
    
    .obs-stepmenu-container .obs-dropdown {
        font-size: 14px !important;
        padding: 0.4375rem 1.75rem 0.4375rem 0.5rem !important;
    }
}

/* Accessibility - High Contrast */
@media (prefers-contrast: high) {
    .obs-dropdown {
        border-width: 2px !important;
    }
    
    .obs-dropdown:focus {
        outline: 3px solid currentColor !important;
        outline-offset: 2px !important;
    }
    
    .obs-stepmenu-active {
        border-width: 3px !important;
        border-color: #ffaa00 !important;
        background-color: #fff9e6 !important;
    }
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Media */
@media print {
    .obs-stepmenu-container {
        border: 1px solid black;
        padding: 1rem;
    }
    
    .obs-progress-bar,
    .obs-skip-link {
        display: none;
    }
}