/**
 * Environment Indicator Component - Compact Nav Version
 * Phase 4 - Safety Enhancement
 *
 * Discreet navigation-based environment indicator using
 * Pro Kinetics color palette with dropdown for details.
 */

/* ==========================================================================
   Environment Indicator Container
   ========================================================================== */

.environment-indicator {
    position: relative;
    display: inline-flex;
    align-items: center;
    margin-right: 1rem;
}

/* ==========================================================================
   Environment Badge Button
   ========================================================================== */

.environment-badge {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: var(--space-2, 0.5rem) var(--space-4, 1rem);
    background: none;
    border: none;
    border-radius: var(--radius-base, 4px);
    color: var(--pk-white, #ffffff);
    font-size: var(--text-sm, 0.875rem);
    font-weight: var(--font-medium, 500);
    cursor: pointer;
    font-family: inherit;
    transition: background-color var(--transition-fast, 150ms);
    white-space: nowrap;
}

.environment-badge:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.environment-badge:active {
    background-color: rgba(255, 255, 255, 0.15);
}

.environment-badge:focus {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.environment-icon {
    font-size: var(--text-label);
    line-height: 1;
}

.environment-name {
    font-size: var(--text-sm);
    letter-spacing: 0.3px;
}

.environment-arrow {
    font-size: var(--text-micro);
    transition: transform var(--transition-fast, 150ms);
    margin-left: 0.125rem;
}

.environment-badge[aria-expanded="true"] .environment-arrow {
    transform: rotate(180deg);
}

/* ==========================================================================
   Dropdown Menu
   ========================================================================== */

.environment-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: var(--pk-white, #ffffff);
    border: 1px solid var(--pk-neutral-border, #e9ecef);
    border-radius: var(--radius-md, 6px);
    box-shadow: var(--shadow-lg, 0 6px 16px -4px rgba(0, 0, 0, 0.12));
    padding: 0.75rem;
    padding-top: calc(0.75rem + 0.5rem); /* Extra padding to account for visual gap */
    margin-top: 0.5rem; /* Visual gap */
    z-index: var(--z-dropdown, 1000);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast, 150ms);
    pointer-events: none;
}

/* Bridge element to prevent hover gap */
.environment-dropdown::before {
    content: '';
    position: absolute;
    top: -0.5rem; /* Covers the gap */
    left: 0;
    right: 0;
    height: 0.5rem;
    background: transparent;
}

.environment-indicator:hover .environment-dropdown,
.environment-dropdown:hover,
.environment-badge[aria-expanded="true"] + .environment-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.environment-dropdown-item {
    padding: 0.5rem 0;
    font-size: var(--text-sm);
    color: var(--pk-slate, #2c3539);
    line-height: 1.4;
    border-bottom: 1px solid var(--pk-neutral-border, #e9ecef);
}

.environment-dropdown-item:last-of-type {
    border-bottom: none;
}

.environment-dropdown-item strong {
    font-weight: 600;
    color: var(--pk-slate-dark, #1f2629);
    margin-right: 0.25rem;
}

.environment-dropdown-warning {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    padding: 0.625rem;
    background: var(--env-warning-bg);
    border: 1px solid var(--env-warning-border);
    border-radius: var(--radius-base, 4px);
    font-size: var(--text-caption);
    font-weight: 600;
    color: var(--env-warning-text);
    line-height: 1.3;
}

.environment-warning-icon {
    font-size: var(--text-md);
    line-height: 1;
    flex-shrink: 0;
}

/* ==========================================================================
   Development Environment (Green) - Pro Kinetics Green
   ========================================================================== */

/* Development uses default nav-link styling with green icon */

/* ==========================================================================
   Training Environment (Orange) - Pro Kinetics Orange
   ========================================================================== */

/* Training uses default nav-link styling with orange icon */

/* ==========================================================================
   Production Environment (Red) - Critical Warning
   ========================================================================== */

/* Production badge has subtle pulse animation for safety awareness */
.env-production .environment-badge {
    animation: subtlePulse 3s ease-in-out infinite;
}

.env-production .environment-badge:hover {
    animation: none;
}

.env-production .environment-dropdown {
    border-color: #fecdca;
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes subtlePulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.85;
    }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Tablet/Medium screens (769px - 1200px) */
@media screen and (max-width: 1200px) and (min-width: 769px) {
    .environment-indicator {
        margin-right: 0.5rem;
    }

    .environment-badge {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-xs);
        gap: 0.25rem;
    }

    .environment-name {
        font-size: var(--text-caption);
    }

    .environment-arrow {
        font-size: var(--text-2xs);
    }

    .environment-dropdown {
        min-width: 220px;
    }
}

/* Mobile screens (≤768px) */
@media screen and (max-width: 768px) {
    .environment-indicator {
        margin-right: 0.5rem;
    }

    .environment-badge {
        padding: 0.25rem 0.5rem;
        font-size: var(--text-caption);
        gap: 0.25rem;
    }

    .environment-name {
        display: none; /* Hide text on mobile, show only icon and arrow */
    }

    .environment-dropdown {
        min-width: 200px;
        right: 0;
        left: auto;
    }

    .environment-dropdown-item {
        font-size: var(--text-caption);
        padding: 0.375rem 0;
    }

    .environment-dropdown-warning {
        font-size: var(--text-xs);
        padding: 0.5rem;
    }
}

/* Very small screens (≤480px) */
@media screen and (max-width: 480px) {
    .environment-badge {
        padding: 0.25rem 0.375rem;
    }

    .environment-arrow {
        display: none; /* Hide arrow on very small screens */
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .environment-indicator {
        display: inline-block;
        position: static;
        margin: 0;
        padding: 0.25rem 0.5rem;
        border: 1px solid currentColor;
        border-radius: 4px;
        font-size: var(--text-micro);
    }

    .environment-badge {
        display: inline;
        padding: 0;
        border: none;
    }

    .environment-arrow,
    .environment-dropdown {
        display: none;
    }

    .environment-icon {
        display: none; /* Hide emoji in print */
    }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

/* High contrast mode support */
@media (prefers-contrast: high) {
    .environment-badge {
        border-width: 2px;
    }

    .environment-dropdown {
        border-width: 2px;
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .environment-badge,
    .environment-arrow,
    .environment-dropdown {
        transition: none;
        animation: none;
    }

    .env-production .environment-badge {
        animation: none;
    }
}

/* Focus visible for keyboard navigation */
.environment-badge:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 3px;
}

/* ==========================================================================
   Environment Switcher Button
   ========================================================================== */

.environment-dropdown-divider {
    height: 1px;
    background: var(--pk-neutral-border, #e9ecef);
    margin: 0.5rem 0;
}

.environment-switch-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 0.75rem;
    background: var(--pk-white, #ffffff);
    border: 1px solid var(--pk-neutral-border, #e9ecef);
    border-radius: var(--radius-base, 4px);
    color: var(--pk-slate, #2c3539);
    font-size: var(--text-sm);
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast, 150ms);
    text-align: left;
}

.environment-switch-btn:hover {
    background: var(--pk-neutral-light, #f8f9fa);
    border-color: var(--pk-blue, #0066cc);
    color: var(--pk-blue, #0066cc);
}

.environment-switch-btn .switch-icon {
    font-size: var(--text-md);
    line-height: 1;
}

/* ==========================================================================
   Modal Styles
   ========================================================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--transition-fast, 150ms);
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay-backdrop);
    cursor: pointer;
}

.modal-content {
    position: relative;
    background: var(--pk-white);
    border-radius: var(--radius-lg, 8px);
    box-shadow: var(--shadow-xl, 0 12px 24px -8px rgba(0, 0, 0, 0.2));
    max-width: 90%;
    max-height: 90vh;
    overflow: auto;
    animation: slideUp var(--transition-base, 200ms);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--pk-neutral-border, #e9ecef);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--text-2xl);
    color: var(--pk-slate, #2c3539);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-base, 4px);
    transition: background-color var(--transition-fast, 150ms);
}

.modal-close:hover {
    background-color: var(--pk-neutral-light, #f8f9fa);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}