/* ============================================
   BugFlow - Modern Dark Theme Styles
   ============================================ */

/* Prevent scrollbar layout shift */
html {
    overflow-y: scroll;
}

/* CSS Variables - Dark Theme (Default) */
:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: rgba(30, 41, 59, 0.6);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-coral: #ff6b6b;
    --accent-teal: #4ecdc4;
    --accent-purple: #a78bfa;
    --accent-amber: #fbbf24;
    --border-subtle: rgba(148, 163, 184, 0.1);
    --border-hover: rgba(148, 163, 184, 0.2);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow-teal: 0 0 20px rgba(78, 205, 196, 0.3);
    --shadow-glow-coral: 0 0 20px rgba(255, 107, 107, 0.3);
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

/* Light Theme - Clean & Professional */
[data-theme="light"] {
    --bg-primary: #F9FAFB;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F3F4F6;
    --bg-card: #FFFFFF;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    --accent-coral: #EF4444;
    --accent-teal: #3B82F6;
    --accent-purple: #8B5CF6;
    --accent-amber: #F59E0B;
    --accent-green: #10B981;
    --border-subtle: #E5E7EB;
    --border-hover: #D1D5DB;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-glow-teal: 0 0 20px rgba(59, 130, 246, 0.2);
    --shadow-glow-coral: 0 0 20px rgba(239, 68, 68, 0.2);
}

/* Theme transition */
html {
    transition: background-color 0.3s ease, color 0.3s ease;
}

html[data-theme="light"] body {
    background-color: var(--bg-primary);
}

/* Theme utility classes */
.theme-bg {
    background-color: var(--bg-primary);
}

.theme-bg-secondary {
    background-color: var(--bg-secondary);
}

.theme-bg-card {
    background-color: var(--bg-card);
}

.theme-text {
    color: var(--text-primary);
}

.theme-text-secondary {
    color: var(--text-secondary);
}

.theme-text-muted {
    color: var(--text-muted);
}

.theme-border {
    border-color: var(--border-subtle);
}

/* Modal backdrop for light theme */
.theme-backdrop {
    background-color: rgba(15, 23, 42, 0.6);
}

[data-theme="light"] .theme-backdrop {
    background-color: rgba(15, 23, 42, 0.4);
}

/* Table row hover effect */
.theme-table-row:hover {
    background-color: var(--bg-tertiary);
}

/* Theme-compatible input fields */
.theme-input {
    background-color: var(--bg-tertiary);
    border-color: var(--border-subtle);
    color: var(--text-primary);
}

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

.theme-input option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    padding: 0.5rem;
}

[data-theme="light"] .theme-input option {
    background-color: #FFFFFF;
    color: #111827;
}

/* Theme-compatible buttons */
.theme-btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
}

.theme-btn-secondary:hover {
    background-color: var(--bg-secondary);
}

.theme-btn-outline {
    border: 1px solid var(--border-subtle);
    background-color: transparent;
    color: var(--text-secondary);
}

.theme-btn-outline:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-hover);
}

.theme-btn-ghost {
    color: var(--text-muted);
}

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

/* Theme-compatible type selector buttons (Bug/Enhancement) */
.theme-type-btn {
    border-color: var(--border-subtle);
    color: var(--text-secondary);
    background-color: transparent;
}

.theme-type-btn:hover {
    border-color: var(--border-hover);
    background-color: var(--bg-tertiary);
}

/* Theme-compatible file dropzone */
.theme-dropzone {
    border-color: var(--border-subtle);
    background-color: var(--bg-tertiary);
}

.theme-dropzone:hover {
    border-color: var(--accent-teal);
    background-color: var(--bg-secondary);
}

/* Theme-compatible file item list */
.theme-file-item {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
}

/* Theme-compatible navbar */
.theme-navbar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

[data-theme="light"] .theme-navbar {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Theme-compatible nav links */
.theme-nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.875rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.theme-nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.theme-nav-link-active {
    color: var(--accent-teal) !important;
    background: rgba(59, 130, 246, 0.1);
}

[data-theme="dark"] .theme-nav-link-active {
    background: rgba(78, 205, 196, 0.1);
}

/* Theme-compatible form labels */
.theme-label {
    color: var(--text-primary);
    font-weight: 500;
}

/* Theme-compatible alerts */
.theme-alert-default {
    background-color: var(--bg-tertiary);
    border-color: var(--border-subtle);
    color: var(--text-secondary);
}

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

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

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scaleInBounce {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    70% {
        transform: scale(1.02);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

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

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
    20%, 40%, 60%, 80% { transform: translateX(4px); }
}

/* Animation Utility Classes */
.animate-fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

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

.animate-fade-in-down {
    animation: fadeInDown 0.5s ease-out forwards;
}

.animate-slide-in-left {
    animation: slideInLeft 0.5s ease-out forwards;
}

.animate-slide-in-right {
    animation: slideInRight 0.5s ease-out forwards;
}

.animate-scale-in {
    animation: scaleIn 0.3s ease-out forwards;
}

.animate-scale-in-bounce {
    animation: scaleInBounce 0.4s ease-out forwards;
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

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

.animate-shimmer {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    background-size: 200% 100%;
    animation: shimmer 1.5s linear infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-shake {
    animation: shake 0.5s ease-in-out;
}

/* Staggered Animation Delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }
.delay-600 { animation-delay: 600ms; }
.delay-700 { animation-delay: 700ms; }
.delay-800 { animation-delay: 800ms; }

/* Initially hidden for animations */
.animate-initial {
    opacity: 0;
}

/* ============================================
   Glass Morphism Components
   ============================================ */

.glass {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
}

.glass-hover {
    transition: all var(--transition-normal);
}

.glass-hover:hover {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   Button Styles
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border-radius: 0.75rem;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

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

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent-teal), #3db9b1);
    color: var(--bg-primary);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-teal);
}

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
}

.btn-danger {
    background: linear-gradient(135deg, var(--accent-coral), #e85555);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-coral);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================
   Input Styles
   ============================================ */

.input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-normal);
    outline: none;
}

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

.input:focus {
    border-color: var(--accent-teal);
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.15);
}

.input:hover:not(:focus) {
    border-color: var(--border-hover);
}

.input-error {
    border-color: var(--accent-coral) !important;
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.15) !important;
}

.label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ============================================
   Card Styles
   ============================================ */

.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: all var(--transition-normal);
}

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

.card-interactive {
    cursor: pointer;
}

.card-interactive:active {
    transform: scale(0.98);
}

/* ============================================
   Kanban Specific Styles
   ============================================ */

.kanban-column {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 1rem;
    min-height: 400px;
    transition: all var(--transition-normal);
}

.kanban-column-drop-target {
    border-color: var(--accent-teal);
    background: rgba(78, 205, 196, 0.05);
}

.kanban-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 0.75rem;
    padding: 1rem;
    cursor: grab;
    transition: all var(--transition-normal);
}

.kanban-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px) rotate(0.5deg);
    box-shadow: var(--shadow-md);
}

.kanban-card:active {
    cursor: grabbing;
    transform: scale(1.02) rotate(1deg);
    box-shadow: var(--shadow-lg);
    z-index: 100;
}

.kanban-card.dragging {
    opacity: 0.5;
    transform: scale(0.95);
}

/* Card Drop Animation */
@keyframes cardDrop {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(-10px);
    }
    50% {
        transform: scale(1.05) translateY(0);
    }
    70% {
        transform: scale(0.98);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.card-just-dropped {
    animation: cardDrop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    box-shadow: var(--shadow-glow-teal);
}

/* ============================================
   Badge & Tag Styles
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    transition: all var(--transition-fast);
}

.badge-coral {
    background: rgba(255, 107, 107, 0.15);
    color: var(--accent-coral);
}

.badge-teal {
    background: rgba(78, 205, 196, 0.15);
    color: var(--accent-teal);
}

.badge-purple {
    background: rgba(167, 139, 250, 0.15);
    color: var(--accent-purple);
}

.badge-amber {
    background: rgba(251, 191, 36, 0.15);
    color: var(--accent-amber);
}

.badge-muted {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* Severity Badges */
.severity-critical {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.severity-high {
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
}

.severity-medium {
    background: rgba(234, 179, 8, 0.15);
    color: #eab308;
}

.severity-low {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

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

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    animation: fadeIn 0.2s ease-out;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 600px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    z-index: 1001;
    animation: scaleInBounce 0.3s ease-out;
}

/* ============================================
   Loading States
   ============================================ */

.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary), var(--bg-secondary), var(--bg-tertiary));
    background-size: 200% 100%;
    animation: shimmer 1.5s linear infinite;
    border-radius: 0.5rem;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--bg-tertiary);
    border-top-color: var(--accent-teal);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-lg {
    width: 48px;
    height: 48px;
    border-width: 3px;
}

/* ============================================
   Validation States
   ============================================ */

.valid.modified:not([type=checkbox]) {
    border-color: var(--accent-teal) !important;
}

.invalid {
    border-color: var(--accent-coral) !important;
}

.validation-message {
    color: var(--accent-coral);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ============================================
   Blazor Error UI
   ============================================ */

.blazor-error-boundary {
    background: linear-gradient(135deg, #7f1d1d, #991b1b);
    padding: 1rem 1.5rem;
    color: white;
    border-radius: 0.75rem;
    margin: 1rem;
}

.blazor-error-boundary::after {
    content: "An error has occurred. Please refresh the page.";
}

/* ============================================
   Scrollbar Styles
   ============================================ */

.custom-scrollbar::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============================================
   Typography
   ============================================ */

.gradient-text {
    background: linear-gradient(135deg, var(--accent-coral), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-animated {
    background: linear-gradient(135deg, var(--accent-coral), var(--accent-purple), var(--accent-teal));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}

/* ============================================
   Utility Classes
   ============================================ */

.bg-noise {
    position: relative;
}

.bg-noise::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.glow-teal {
    box-shadow: var(--shadow-glow-teal);
}

.glow-coral {
    box-shadow: var(--shadow-glow-coral);
}

/* Focus Visible */
:focus-visible {
    outline: 2px solid var(--accent-teal);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: rgba(78, 205, 196, 0.3);
    color: var(--text-primary);
}