:root {
    --bg-dark: #0a0e17;
    --panel-bg: rgba(255, 255, 255, 0.03);
    --panel-border: rgba(255, 255, 255, 0.08);
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --success: #10b981;
    --danger: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Cairo', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(59, 130, 246, 0.15), transparent 25%);
}

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: rgba(10, 14, 23, 0.6);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--panel-border);
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 3rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
}

.logo h2 {
    font-size: 1.2rem;
    font-weight: 600;
}

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

.sidebar nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar nav ul li {
    padding: 12px 20px;
    border-radius: 12px;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 15px;
}

.sidebar nav ul li:hover, .sidebar nav ul li.active {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.sidebar nav ul li.active {
    background: linear-gradient(90deg, rgba(139,92,246,0.1), transparent);
    border-right: 3px solid var(--accent-purple);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem 3rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

header h1 {
    font-size: 1.8rem;
    font-weight: 600;
}

header h1 span {
    background: linear-gradient(to left, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-profile img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 2px solid var(--accent-purple);
}

.user-profile .info {
    display: flex;
    flex-direction: column;
}

.user-profile .status {
    color: var(--success);
    font-size: 0.8rem;
}

/* Grid Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.api-card {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 20px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.api-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    opacity: 0.5;
}

.api-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.api-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.api-card h4 {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.api-card h4 i {
    color: var(--accent-purple);
}

.delete-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.3s;
}
.delete-btn:hover { color: var(--danger); }

.api-stats {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.9rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
}

.stat-val.healthy { color: var(--success); }
.api-id { font-family: monospace; color: var(--accent-blue); background: rgba(59,130,246,0.1); padding: 2px 6px; border-radius: 4px; }

/* Form Panel */
.glass-panel {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 24px;
    padding: 2rem;
    backdrop-filter: blur(16px);
}

.glass-panel h3 {
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.input-group {
    margin-bottom: 1.2rem;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.input-group input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--panel-border);
    padding: 12px 15px;
    border-radius: 12px;
    color: #fff;
    outline: none;
    transition: border-color 0.3s;
}

.input-group input:focus {
    border-color: var(--accent-purple);
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.3s;
    margin-top: 1rem;
}

.btn-primary:hover {
    opacity: 0.9;
}

.loading, .empty-state {
    color: var(--text-muted);
    padding: 2rem;
    text-align: center;
    grid-column: 1 / -1;
}