:root {
    /* Main Branding - Blue/Purple Gradient Theme */
    --bg-base: #0f111a;
    --bg-sidebar: rgba(18, 18, 23, 0.6);
    --bg-card: rgba(24, 24, 27, 0.6);
    --bg-card-hover: rgba(39, 39, 42, 0.7);

    /* Gradient Tokens */
    --primary: #7098ff;
    --accent: #d095ff;
    --primary-glow: rgba(112, 152, 255, 0.3);

    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --border: rgba(255, 255, 255, 0.08);
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);

    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;

    --radius-lg: 1rem;
    --radius-md: 0.75rem;
    --radius-sm: 0.5rem;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

@keyframes gradient-x {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    background-image:
        radial-gradient(circle at 15% 50%, rgba(112, 152, 255, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(208, 149, 255, 0.08), transparent 25%);
}

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

/* Sidebar V2 */
.sidebar {
    width: 280px;
    background: var(--bg-sidebar);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 50;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.logo i {
    color: var(--primary);
    filter: drop-shadow(0 0 10px var(--primary-glow));
    font-size: 1.8rem;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.nav-section-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin: 1.5rem 0 0.5rem 0.5rem;
    font-weight: 600;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.925rem;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.1), rgba(99, 102, 241, 0.05));
    border-color: rgba(99, 102, 241, 0.2);
    color: var(--primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.nav-item i {
    width: 1.5rem;
    text-align: center;
    transition: transform 0.2s;
}

.nav-item:hover i {
    transform: scale(1.1);
}

/* User Profile */
.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.02);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    margin-top: auto;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Main Content */
.main-content {
    flex: 1;
    position: relative;
    overflow: hidden;
}

iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Page Utilities */
.page-container {
    padding: 2.5rem;
    height: 100vh;
    overflow-y: auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.page-title {
    font-size: 1.875rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, #fff, #a1a1aa);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Cards */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: transform 0.2s, background-color 0.2s;
}

/* Server Grid */
.server-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.server-card {
    background: var(--bg-card);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.server-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 0 0 1px var(--primary-glow);
}

.server-card-hero {
    height: 120px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.server-card-hero i {
    font-size: 3.5rem;
    color: rgba(255, 255, 255, 0.2);
    transition: all 0.3s;
}

.server-card:hover .server-card-hero i {
    color: var(--primary);
    transform: scale(1.1) rotate(-5deg);
}

.server-card-body {
    padding: 1.5rem;
}

.server-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.server-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.status-dot.online {
    background: var(--success);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

/* Buttons */
.btn {
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-md);
    border: none;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 4px 6px -1px var(--primary-glow);
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* Inputs */
.form-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: var(--glass-border);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    transition: all 0.2s;
}

/* Select Dropdowns */
select {
    appearance: none;
    -webkit-appearance: none;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 0.6rem 2.5rem 0.6rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 10px;
    transition: all 0.2s;
}

select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
    background-color: rgba(0, 0, 0, 0.5);
}

select option {
    background: #18181b;
    color: white;
    padding: 10px;
}

.btn-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 0;
    width: 100%;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.btn-control:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

#sidebar-start:hover {
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
}

#sidebar-stop:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
}

#sidebar-restart:hover {
    color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
}

/* Terminal Custom Scrollbar */
.terminal-container::-webkit-scrollbar {
    width: 10px;
    background: #09090b;
}

.terminal-container::-webkit-scrollbar-thumb {
    background: #3f3f46;
    border-radius: 5px;
    border: 2px solid #09090b;
}

.terminal-container::-webkit-scrollbar-thumb:hover {
    background: #52525b;
}

/* Global scrollbar for consistency */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}