:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #0d1321;
    --bg-tertiary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(23, 32, 49, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --accent-primary: #6366f1;
    --accent-primary-glow: rgba(99, 102, 241, 0.4);
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #06b6d4;
    --accent-success: #10b981;
    --accent-success-glow: rgba(16, 185, 129, 0.3);
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --accent-danger-glow: rgba(239, 68, 68, 0.3);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-dark: linear-gradient(180deg, rgba(17, 24, 39, 0.9) 0%, rgba(10, 14, 23, 0.95) 100%);
    --gradient-glow: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-accent: #a5b4fc;
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.1);
    --border-accent: rgba(99, 102, 241, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.2);
    --shadow-glow-success: 0 0 20px rgba(16, 185, 129, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        var(--gradient-glow),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 20% 80%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
    opacity: 0.5;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px;
    position: relative;
}

@media (max-width: 768px) {
    .container {
        padding: 24px 16px;
    }
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    text-align: center;
}

h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-accent);
    margin: 16px 0 10px 0;
}

p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    text-align: center;
}

a {
    color: var(--accent-tertiary);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--text-primary);
}

strong {
    font-weight: 600;
    color: var(--text-primary);
}

em {
    color: var(--text-muted);
    font-style: italic;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm), 0 0 20px var(--accent-primary-glow);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 30px var(--accent-primary-glow);
}

.btn:hover::before {
    left: 100%;
}

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

.btn-danger {
    background: var(--gradient-danger);
    box-shadow: var(--shadow-sm), 0 0 20px var(--accent-danger-glow);
}

.btn-danger:hover {
    box-shadow: var(--shadow-md), 0 0 30px var(--accent-danger-glow);
}

.top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    margin-bottom: 32px;
    box-shadow: var(--shadow-md);
}

.top nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.top nav .btn {
    padding: 10px 18px;
    font-size: 0.85rem;
}

@media (max-width: 600px) {
    .top {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .top nav {
        justify-content: center;
    }
}

.user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.avatar {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    border: 3px solid transparent;
    background: var(--gradient-primary) border-box;
    background-clip: padding-box, border-box;
    background-origin: padding-box, border-box;
    box-shadow: 0 0 20px var(--accent-primary-glow);
    transition: var(--transition-normal);
    object-fit: cover;
}

.avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px var(--accent-primary-glow);
}

.pseudo {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

.username {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 400;
}

.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 28px;
    margin-top: 24px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    opacity: 0.5;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #042;
    background: var(--gradient-success);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-glow-success);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.monitor-info {
    padding: 16px 0;
}

.monitor-info h2 {
    margin-bottom: 16px;
}

.monitor-info .btn {
    margin: 6px 8px 6px 0;
}

.monitor-tiles {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 24px;
}

.monitor-tile {
    position: relative;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    overflow: hidden;
    border-left: 4px solid var(--accent-primary) !important;
}

.monitor-tile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.monitor-tile:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    background: var(--bg-card-hover);
}

.monitor-tile a {
    color: var(--accent-tertiary) !important;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.monitor-tile a:hover {
    color: var(--text-primary) !important;
    text-decoration: underline;
}

.monitor-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
    position: relative;
    z-index: 1;
}

.monitor-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.monitor-header h3::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
    box-shadow: 0 0 10px var(--accent-primary);
}

.tile-logo {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    object-fit: cover;
    border: 2px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.product-logo {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    border: 2px solid var(--border-light);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.product-logo:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.monitor-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    z-index: 1;
}

.field {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.field:last-child {
    border-bottom: none;
}

.field span:first-child {
    color: var(--text-muted);
    font-weight: 500;
    flex-shrink: 0;
}

.field span:last-child {
    color: var(--text-primary);
    font-weight: 500;
    text-align: right;
}

.monitor-tile .field {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 6px 0;
}

.monitor-tile .field span:first-child {
    flex: 0 0 auto;
    white-space: nowrap;
    min-width: 100px;
}

.monitor-tile .field input,
.monitor-tile .field select {
    flex: 1 1 auto;
    padding: 12px 16px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    outline: none;
    transition: var(--transition-fast);
}

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

.monitor-tile .field input:focus,
.monitor-tile .field select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-primary-glow);
    background: var(--bg-tertiary);
}

.monitor-tile .field select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.monitor-tile .field select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 10px;
}

input.invalid, select.invalid {
    border: 2px solid var(--accent-danger) !important;
    box-shadow: 0 0 0 3px var(--accent-danger-glow) !important;
}

.monitor-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
    position: relative;
    z-index: 1;
}

.monitor-actions .btn {
    padding: 10px 20px;
    font-size: 0.85rem;
}

.tile-footer-logo {
    width: 28px;
    height: 28px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.delete-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: var(--accent-danger) !important;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.8rem;
    text-decoration: none !important;
    cursor: pointer;
    transition: var(--transition-fast);
    margin-left: 12px;
}

.delete-link:hover {
    background: var(--accent-danger);
    color: white !important;
    transform: scale(1.1);
    box-shadow: 0 0 15px var(--accent-danger-glow);
}

.notice {
    background: var(--bg-glass) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-light) !important;
    border-radius: var(--radius-lg) !important;
    padding: 20px 24px !important;
    margin-top: 24px !important;
    font-size: 0.9rem !important;
    line-height: 1.7 !important;
    position: relative;
}

.notice::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-secondary);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.notice h4 {
    color: var(--accent-tertiary) !important;
    font-size: 1rem !important;
    font-weight: 700 !important;
    margin: 20px 0 12px 0 !important;
    display: flex;
    align-items: center;
    gap: 8px;
}

.notice h4:first-child {
    margin-top: 0 !important;
}

.notice ul {
    list-style: none !important;
    padding-left: 0 !important;
    margin: 0 0 16px 0 !important;
}

.notice ul li {
    position: relative;
    padding-left: 20px;
    margin: 10px 0;
    color: var(--text-secondary);
}

.notice ul li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.notice ul ul {
    margin: 8px 0 8px 16px !important;
}

.notice ul ul li::before {
    content: '•';
    font-size: 0.8rem;
}

.notice em {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.error {
    color: var(--accent-danger) !important;
    font-weight: 600;
    padding: 12px 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-md);
    margin: 12px 0;
}

.success {
    color: var(--accent-success) !important;
    font-weight: 600;
    padding: 12px 16px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
    margin: 12px 0;
}

ul {
    list-style: none;
    padding-left: 0;
}

li {
    margin: 8px 0;
    color: var(--text-secondary);
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

::selection {
    background: var(--accent-primary);
    color: white;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.2rem;
    }
    
    .card {
        padding: 20px;
    }
    
    .monitor-tile {
        padding: 20px;
    }
    
    .field {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .field span:last-child {
        text-align: left;
    }
    
    .monitor-tile .field {
        flex-direction: column;
        align-items: stretch;
    }
    
    .monitor-tile .field span:first-child {
        min-width: auto;
    }
    
    .monitor-tile .field input,
    .monitor-tile .field select {
        width: 100%;
    }
    
    .avatar {
        width: 48px;
        height: 48px;
    }
    
    .product-logo {
        width: 60px;
        height: 60px;
    }
    
    .monitor-tile .field span:last-child,
    .monitor-tile .field span:first-child {
        white-space: normal;
        word-wrap: break-word;
        overflow-wrap: anywhere;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 16px 12px;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
    
    .top {
        padding: 16px;
    }
    
    .card {
        padding: 16px;
        border-radius: var(--radius-lg);
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

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

.card {
    animation: fadeIn 0.5s ease-out;
}

.monitor-tile {
    animation: fadeIn 0.4s ease-out;
    animation-fill-mode: both;
}

.monitor-tiles .monitor-tile:nth-child(1) { animation-delay: 0.1s; }
.monitor-tiles .monitor-tile:nth-child(2) { animation-delay: 0.2s; }
.monitor-tiles .monitor-tile:nth-child(3) { animation-delay: 0.3s; }
.monitor-tiles .monitor-tile:nth-child(4) { animation-delay: 0.4s; }
.monitor-tiles .monitor-tile:nth-child(5) { animation-delay: 0.5s; }

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

.btn:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

@media print {
    body {
        background: white;
        color: black;
    }
    
    body::before,
    body::after {
        display: none;
    }
    
    .card,
    .monitor-tile {
        background: white;
        border: 1px solid #ddd;
        box-shadow: none;
    }
}