/* ============================================
   Core UI Components - Theme Aware
   ============================================ */

/* Glass Panel - Frosted glass effect */
.glass-panel {
    background: var(--bg-surface);
    backdrop-filter: var(--glass-blur) var(--glass-saturate);
    -webkit-backdrop-filter: var(--glass-blur) var(--glass-saturate);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
}

/* Floating Glass - More prominent glass effect */
.floating-glass {
    background: var(--bg-panel);
    backdrop-filter: var(--glass-blur) var(--glass-saturate);
    -webkit-backdrop-filter: var(--glass-blur) var(--glass-saturate);
    border: 1px solid var(--glass-border);
    box-shadow:
        0 8px 32px -4px rgba(0, 0, 0, 0.15),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

/* Titanium Border - Subtle metallic border */
.titanium-border {
    border: 1px solid var(--glass-border);
}

/* ============================================
   Button Hierarchy
   ============================================ */

/* Primary Button - Main CTA */
.btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.75rem 2rem;
    border-radius: 1rem;
    font-size: 0.6875rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-indigo));
    color: white;
    border: none;
    box-shadow:
        0 8px 24px -8px rgba(59, 130, 246, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.1));
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow:
        0 12px 32px -8px rgba(59, 130, 246, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

.btn-primary:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Secondary Button */
.btn-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.75rem 2rem;
    border-radius: 1rem;
    font-size: 0.6875rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    background: var(--bg-surface);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    background: var(--interactive-hover);
    color: var(--text-primary);
    border-color: var(--brand-blue);
}

.btn-secondary:active {
    transform: scale(0.98);
}

/* Ghost Button - Minimal style */
.btn-ghost {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
    transition: all var(--transition-base);
}

.btn-ghost:hover {
    background: var(--interactive-hover);
    color: var(--text-primary);
}

.btn-ghost.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--brand-blue);
    border-color: rgba(59, 130, 246, 0.2);
}

/* Icon Button - Square icon-only button */
.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.75rem;
    background: var(--bg-surface);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--interactive-hover);
    color: var(--text-primary);
    transform: scale(1.05);
}

.btn-icon.active {
    background: var(--brand-blue);
    color: white;
    border-color: var(--brand-blue);
}

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

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-slide-up {
    animation: slide-up 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes pulse-glow {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
    }

    50% {
        box-shadow: 0 0 20px 4px rgba(59, 130, 246, 0.2);
    }
}

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

/* ============================================
   Scrollbar Styling
   ============================================ */

/* Hide scrollbars by default */
.hide-scrollbar {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.hide-scrollbar::-webkit-scrollbar {
    display: none;
}

/* Custom scrollbar for when visible */
.custom-scrollbar {
    scrollbar-width: thin;
    scrollbar-color: var(--void-700) transparent;
}

.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: var(--void-700);
    border-radius: 3px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--void-600);
}

/* ============================================
   Form Elements
   ============================================ */

.input-base {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    background: var(--bg-void);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.input-base:focus {
    outline: none;
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-base::placeholder {
    color: var(--text-tertiary);
}

/* ============================================
   Tooltip Styles
   ============================================ */

.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    padding: 0.375rem 0.75rem;
    background: var(--void-800);
    color: var(--text-primary);
    font-size: 0.6875rem;
    font-weight: 600;
    white-space: nowrap;
    border-radius: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 100;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-8px);
}

/* ============================================
   Badge Styles
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-blue {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.badge-green {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.badge-amber {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.badge-red {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.badge-purple {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

/* ============================================
   Mobile Touch Target Sizes
   Ensure minimum 44x44px for accessibility
   ============================================ */

@media (max-width: 768px) {
    /* Increase button touch targets on mobile */
    .btn-icon {
        min-width: 44px;
        min-height: 44px;
        width: 2.75rem;
        height: 2.75rem;
    }

    .btn-primary,
    .btn-secondary {
        min-height: 48px;
        padding: 1rem 1.5rem;
    }

    .btn-ghost {
        min-height: 44px;
        padding: 0.75rem 1rem;
    }

    /* Toolbar and panel buttons */
    .glass-panel button {
        min-height: 44px;
        min-width: 44px;
    }

    /* Form inputs */
    .input-base {
        min-height: 48px;
        font-size: 1rem; /* Prevent zoom on iOS */
    }

    /* Tabs and navigation items */
    button[role="tab"],
    nav button,
    nav a {
        min-height: 44px;
        min-width: 44px;
    }
}

/* Mobile-specific animation for bottom sheet */
@keyframes slide-up-sheet {
    from {
        opacity: 0;
        transform: translateY(100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .animate-slide-up {
        animation: slide-up-sheet 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }
}

/* Fade in animation */
@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.animate-fade-in {
    animation: fade-in 0.2s ease-out forwards;
}