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

:root {
    --app-font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --sidebar-width: 260px;
    --sidebar-bg: #0f172a;
    --sidebar-hover: #1e293b;
    --sidebar-active: #2563eb;
    --sidebar-text: #94a3b8;
    --sidebar-text-active: #ffffff;
    --topbar-height: 68px;
    --body-bg: #f8fafc;
    --card-bg: #ffffff;
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --wa-green: #10b981;
    --border-color: #e2e8f0;
}

body {
    font-family: var(--app-font);
    background-color: var(--body-bg);
    color: #1e293b;
    overflow-x: hidden;
}

/* Sidebar Styling */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    flex-shrink: 0;
    transition: all 0.3s ease;
    z-index: 1040;
}

.sidebar .brand-logo {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-weight: 700;
    font-size: 1.25rem;
    color: #ffffff;
    text-decoration: none;
}

.sidebar .brand-logo i {
    color: var(--wa-green);
    font-size: 1.5rem;
}

.sidebar .nav-item {
    margin: 4px 12px;
}

.sidebar .nav-link {
    color: var(--sidebar-text);
    padding: 10px 14px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.92rem;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.2s ease-in-out;
}

.sidebar .nav-link i {
    font-size: 1.15rem;
}

.sidebar .nav-link:hover {
    background: var(--sidebar-hover);
    color: #f1f5f9;
}

.sidebar .nav-link.active {
    background: var(--sidebar-active);
    color: var(--sidebar-text-active);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.sidebar .sidebar-heading {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #64748b;
    padding: 1rem 1.5rem 0.5rem;
    font-weight: 700;
}

/* Topbar Styling */
.topbar {
    height: var(--topbar-height);
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 0 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1020;
}

/* Card & Metric Styling */
.stat-card {
    background: #ffffff;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.badge-status {
    padding: 5px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.badge-status-connected {
    background: #d1fae5;
    color: #065f46;
}

.badge-status-disconnected {
    background: #fee2e2;
    color: #991b1b;
}

.badge-status-qr {
    background: #fef3c7;
    color: #92400e;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.online {
    background-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.status-dot.offline {
    background-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* Login Page Styling */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 10% 20%, rgb(240, 246, 255) 0%, rgb(245, 247, 250) 90%);
    padding: 1.5rem;
}

.auth-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 440px;
    padding: 2.5rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.6rem 1.25rem;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.form-control {
    border-radius: 10px;
    padding: 0.65rem 1rem;
    border: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}