/* assets/css/style.css */
:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-tap-highlight-color: transparent;
    padding-bottom: 80px; /* Space for mobile nav if needed */
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Typography */
h1 { font-size: 1.75rem; font-weight: 800; letter-spacing: -0.025em; }
h2 { font-size: 1.25rem; font-weight: 700; }
h3 { font-size: 1rem; font-weight: 600; }

/* Layout Components */
.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 1.5rem;
}

header {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border-radius: 1.25rem;
    padding: 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

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

/* Status Indicators */
.status-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-online { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.status-offline { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.status-unknown { background: rgba(148, 163, 184, 0.15); color: var(--text-secondary); }

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.dot-online { background: var(--success); box-shadow: 0 0 8px var(--success); }
.dot-offline { background: var(--danger); box-shadow: 0 0 8px var(--danger); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    width: 100%;
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
}

.btn-primary:hover { background: var(--accent-hover); }

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

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

input, select, textarea {
    width: 100%;
    padding: 0.875rem;
    border-radius: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.05);
}

/* Grid & Utilities */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.text-center { text-center: center; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-secondary);
    padding: 1.25rem;
    border-radius: 1.25rem;
    text-align: center;
}

.stat-value { font-size: 1.5rem; font-weight: 800; margin-bottom: 0.25rem; }
.stat-label { font-size: 0.75rem; color: var(--text-secondary); text-transform: uppercase; font-weight: 600; }

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade {
    animation: fadeIn 0.4s ease-out forwards;
}

/* Mobile Nav */
.mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(12px);
    display: flex;
    justify-content: space-around;
    padding: 0.75rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.nav-item.active {
    color: var(--accent);
}

.nav-icon {
    font-size: 1.25rem;
    margin-bottom: 0.2rem;
}