:root {
    --bg-color: #0f172a;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --glass-bg: rgba(30, 41, 59, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.03);
    
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --accent: #8b5cf6;
    --accent-hover: #7c3aed;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #10b981;
    
    --radius: 16px;
    --shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    position: relative;
    overflow-x: hidden;
}

/* Dynamic Animated Background */
.background-gradients {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    animation: float 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: var(--accent);
}

.blob-2 {
    bottom: -20%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: var(--primary);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(100px, 50px) scale(1.1); }
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    z-index: 1;
}

/* Header */
.glass-header {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-icon svg {
    width: 24px;
    height: 24px;
}

h1 {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Status Badge */
.status-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(0,0,0,0.3);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    box-shadow: 0 0 10px currentColor;
}

.offline .status-indicator { color: var(--danger); background: var(--danger); }
.online .status-indicator { color: var(--success); background: var(--success); }

/* Main Grid */
.grid-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
}

@media (max-width: 800px) {
    .grid-layout { grid-template-columns: 1fr; }
}

.column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-header h2 {
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
}

.card-header h2 svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.description {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.badge {
    background: rgba(255,255,255,0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge.success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

/* Upload Zone */
.upload-zone {
    display: flex;
    flex-direction: column;
}

.upload-label {
    border: 2px dashed var(--glass-border);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-muted);
}

.upload-label:hover, .upload-label.dragover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.05);
    color: var(--primary);
}

.upload-label svg {
    width: 32px;
    height: 32px;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #cbd5e1;
}

.form-control {
    width: 100%;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.875rem 1rem;
    color: white;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    font-family: inherit;
}

.w-full { width: 100%; }
.mt-3 { margin-top: 1rem; }

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); transform: translateY(-2px); }

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: white;
}
.btn-secondary:hover:not(:disabled) { background: rgba(255,255,255,0.15); transform: translateY(-2px); }

.btn-danger {
    background: var(--danger);
    color: white;
}
.btn-danger:hover:not(:disabled) { background: var(--danger-hover); transform: translateY(-2px); }

.btn-accent {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}
.btn-accent:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.pulse-btn {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(59, 130, 246, 0); }
    100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

/* Utilities */
.hidden { display: none !important; }

/* Animations */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease forwards;
}

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

/* Toasts */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 1000;
}

.toast {
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(10px);
    border-left: 4px solid var(--primary);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}