/* ===== POLYMORPH TOOLBAR - GAME UI DESIGN ===== */
/* Uses theme tokens for consistent styling across all pages */

@import url('theme-tokens.css');

:root {
    --toolbar-height: 70px;
}

/* Toolbar Container - Deep gradient matching relic viewer */
.polymorph-toolbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--toolbar-height);
    background: var(--poly-color-panel-dark);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--poly-color-border-subtle);
    box-shadow:
        inset 0 -2px 0 var(--poly-primary-30),
        inset 0 -4px 20px rgba(109, 212, 242, 0.08),
        0 4px 20px var(--poly-surface-40);
    z-index: var(--poly-z-sidebar);
    transition: var(--poly-transition-smooth);
}

.polymorph-toolbar.scrolled {
    background: var(--poly-color-panel-dark);
    border-bottom-color: var(--poly-color-primary);
    box-shadow:
        inset 0 -2px 0 rgba(109, 212, 242, 0.4),
        inset 0 -4px 20px rgba(109, 212, 242, 0.12),
        0 4px 20px rgba(0, 0, 0, 0.6),
        0 0 30px rgba(109, 212, 242, 0.15);
}

/* Corner accents for toolbar */
.polymorph-toolbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--poly-color-primary);
    box-shadow: var(--poly-glow-primary);
}

.polymorph-toolbar::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: 4px;
    background: var(--poly-color-primary);
    box-shadow: var(--poly-glow-primary);
}

/* Toolbar Content */
.toolbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    width: 100%;
    max-width: none;
    padding: 0 2rem;
    margin: 0;
    position: relative;
}

/* Logo/Brand */
.toolbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--poly-color-text);
    text-decoration: none;
    font-family: var(--poly-font-display);
    font-weight: var(--poly-font-weight-display);
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: var(--poly-letter-spacing-tight);
    transition: var(--poly-transition-smooth);
    position: relative;
    z-index: var(--poly-z-overlay);
}

.toolbar-brand::before {
    content: '// ';
    color: var(--poly-color-primary);
}

.toolbar-brand:hover {
    color: var(--poly-color-primary);
    transform: translateY(-1px);
    text-shadow: var(--poly-glow-primary);
}

.brand-icon-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    transition: var(--poly-transition-smooth);
    filter: brightness(1.1) contrast(1.1);
}

.toolbar-brand:hover .brand-icon-img {
    transform: rotate(5deg) scale(1.05);
    filter: brightness(1.3) contrast(1.2);
}

/* Navigation */
.toolbar-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.nav-link {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--poly-color-text-dim);
    text-decoration: none;
    font-family: var(--poly-font-primary);
    font-weight: var(--poly-font-weight-heavy);
    font-size: var(--poly-font-size-sm);
    text-transform: uppercase;
    letter-spacing: var(--poly-letter-spacing-wider);
    padding: 0.6rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid var(--poly-color-border-subtle);
    border-radius: var(--poly-radius-md);
    transition: var(--poly-transition-fast);
    box-shadow: var(--poly-shadow-inset);
    white-space: nowrap; /* Prevent text wrapping */
}

.nav-link:hover {
    background: var(--poly-primary-10);
    border-color: var(--poly-color-primary);
    color: var(--poly-color-primary);
    box-shadow:
        var(--poly-shadow-inset),
        0 0 15px var(--poly-color-primary-glow);
    transform: translateY(-2px);
}

/* Animated scanning borders - only on hover */
.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--poly-border-gradient-scan-1);
    background-size: 200% 100%;
    opacity: 0;
    transition: opacity 0.3s ease;
    box-shadow: 0 0 8px var(--poly-color-primary-glow);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--poly-border-gradient-scan-2);
    background-size: 200% 100%;
    opacity: 0;
    transition: opacity 0.3s ease;
    box-shadow: 0 0 8px var(--poly-color-primary-glow);
}

/* Odd nav links (1st, 3rd, 5th) - scan left to right */
.nav-link:nth-child(odd):hover::before {
    opacity: 1;
    animation: scan-border 4s linear infinite;
}

.nav-link:nth-child(odd):hover::after {
    opacity: 1;
    animation: scan-border-reverse 6s linear infinite;
}

/* Even nav links (2nd, 4th) - scan right to left */
.nav-link:nth-child(even):hover::before {
    opacity: 1;
    animation: scan-border-reverse 4s linear infinite;
}

.nav-link:nth-child(even):hover::after {
    opacity: 1;
    animation: scan-border 6s linear infinite;
}

/* Active state - prominent but clean (no animation) */
.nav-link.active {
    background: var(--poly-primary-10);
    border-color: var(--poly-color-primary);
    color: var(--poly-color-primary);
    box-shadow:
        var(--poly-shadow-inset),
        0 0 15px var(--poly-color-primary-glow);
}

/* Active state has static borders, not animated */
.nav-link.active::before,
.nav-link.active::after {
    opacity: 0;
}

/* Action Buttons */
.toolbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.action-btn {
    background: var(--poly-button-bg);
    border: var(--poly-button-border);
    color: var(--poly-color-text-dim);
    padding: 0.5rem 1rem;
    border-radius: var(--poly-radius-sm);
    cursor: pointer;
    transition: var(--poly-transition-smooth);
    font-family: var(--poly-font-primary);
    font-weight: var(--poly-font-weight-heavy);
    font-size: var(--poly-font-size-sm);
    text-transform: uppercase;
    letter-spacing: var(--poly-letter-spacing-wider);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.action-btn:hover {
    border: var(--poly-button-border-hover);
    color: var(--poly-color-text);
    background: var(--poly-button-bg-hover);
    transform: translateY(-1px);
}

.action-btn.primary {
    background: var(--poly-button-bg-active);
    border: var(--poly-button-border-active);
    color: var(--poly-color-primary);
    box-shadow: var(--poly-button-shadow-active);
}

.action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow:
        var(--poly-button-shadow-active),
        var(--poly-glow-primary-strong);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: var(--poly-button-bg);
    border: var(--poly-button-border);
    color: var(--poly-color-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--poly-radius-sm);
    transition: var(--poly-transition-smooth);
}

.mobile-menu-toggle:hover {
    background: var(--poly-button-bg-hover);
    border: var(--poly-button-border-hover);
    box-shadow: var(--poly-glow-primary);
}

/* Page Transition Effect */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--poly-color-bg) 0%, var(--poly-color-bg-dark) 100%);
    z-index: var(--poly-z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--poly-space-base);
}

/* Grid overlay for transition */
.page-transition::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: var(--poly-grid-pattern);
    background-size: var(--poly-grid-size);
    pointer-events: none;
    opacity: 0.3;
}

.page-transition.active {
    opacity: 1;
    visibility: visible;
}

.transition-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid var(--poly-color-border-subtle);
    border-top: 3px solid var(--poly-color-primary);
    border-radius: var(--poly-radius-full);
    animation: poly-spin 1s linear infinite;
    box-shadow: var(--poly-glow-primary-strong);
    position: relative;
    z-index: var(--poly-z-overlay);
}

.transition-text {
    color: var(--poly-color-primary);
    font-family: var(--poly-font-primary);
    font-weight: var(--poly-font-weight-heavy);
    font-size: var(--poly-font-size-lg);
    text-transform: uppercase;
    letter-spacing: var(--poly-letter-spacing-wide);
    text-shadow: var(--poly-text-shadow-primary);
    position: relative;
    z-index: var(--poly-z-overlay);
}

/* Body padding for fixed toolbar */
body.has-toolbar {
    padding-top: var(--toolbar-height);
}

/* Responsive Design */
/* Medium screens - reduce spacing to prevent overlap */
@media (max-width: 1200px) {
    .toolbar-nav {
        gap: 0.75rem;
    }

    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
}

/* Smaller tablets - more aggressive spacing reduction */
@media (max-width: 1100px) {
    .toolbar-nav {
        gap: 0.5rem;
    }

    .nav-link {
        padding: 0.5rem 0.6rem;
        font-size: 0.75rem;
    }
}

/* Tablets - switch to mobile menu to prevent overlap */
@media (max-width: 1000px) {
    .toolbar-content {
        padding: 0 1rem;
    }

    .toolbar-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        transform: none;
        background: linear-gradient(180deg, var(--poly-color-bg) 0%, var(--poly-color-bg-dark) 100%);
        flex-direction: column;
        padding: var(--poly-space-base);
        border-bottom: 2px solid var(--poly-color-border-primary);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        gap: var(--poly-space-sm);
        backdrop-filter: blur(10px);
    }

    .toolbar-nav.open {
        display: flex;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .toolbar-actions {
        gap: var(--poly-space-sm);
    }

    .action-btn {
        padding: 0.4rem 0.8rem;
        font-size: var(--poly-font-size-base);
    }
}

@media (max-width: 480px) {
    .toolbar-brand {
        font-size: 1.1rem;
    }

    .brand-icon-img {
        width: 28px;
        height: 28px;
    }

    .toolbar-actions .action-btn:not(.primary) {
        display: none;
    }
}

/* Scanning border animations */
@keyframes scan-border {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 200% 0%;
    }
}

@keyframes scan-border-reverse {
    0% {
        background-position: 200% 0%;
    }
    100% {
        background-position: 0% 0%;
    }
}

/* Accessibility - Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .nav-link,
    .nav-link::before,
    .nav-link::after {
        transition: none;
        animation: none !important;
    }
}