/* Datafox brand palette */
:root {
    --df-navy: #1B2A4A;
    --df-navy-light: #243556;
    --df-navy-dark: #131F38;
    --df-orange: #F27A1A;
    --df-orange-light: #FF9642;
    --df-orange-dark: #D96A10;
    --df-gray-50: #F8FAFC;
    --df-gray-100: #F1F5F9;
    --df-gray-200: #E2E8F0;
    --df-gray-300: #CBD5E1;
    --df-gray-500: #64748B;
    --df-gray-700: #334155;
    --df-gray-900: #0F172A;
    --df-success: #10B981;
    --df-warning: #F59E0B;
    --df-danger: #EF4444;
}

/* Sidebar */
.sidebar {
    width: 250px;
    min-height: 100vh;
    background-color: var(--df-navy);
    transition: margin-left 0.3s ease;
    overflow-y: auto;
}

.sidebar.collapsed {
    margin-left: -250px;
}

.sidebar-header {
    background-color: transparent;
    color: #fff;
}

.sidebar-header h5 {
    color: #fff;
}

.sidebar-header .bi-broadcast {
    color: var(--df-orange);
}

.sidebar-divider {
    border-color: rgba(255, 255, 255, 0.15);
    margin: 0.5rem 1rem;
}

.sidebar-link {
    color: rgba(255, 255, 255, 0.7);
    border-radius: 0.5rem;
    margin-bottom: 2px;
    font-size: 0.9rem;
    padding: 0.5rem 0.75rem;
    transition: all 0.15s ease;
}

.sidebar-link:hover {
    background-color: var(--df-navy-light);
    color: #fff;
}

.sidebar-link.active {
    background-color: var(--df-orange);
    color: #fff;
    font-weight: 500;
}

.sidebar-link.active:hover {
    background-color: var(--df-orange-dark);
    color: #fff;
}

.sidebar-section {
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.4);
}

/* Page content */
#page-content {
    min-height: 100vh;
    background: var(--df-gray-50);
}

/* Topbar */
.topbar {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.topbar .badge-admin {
    background: var(--df-orange);
    color: #fff;
}

/* Server cards */
.server-card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.server-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

/* Progress bars */
.progress {
    border-radius: 8px;
    height: 8px;
    background: var(--df-gray-100);
}

/* Chat bubbles */
.assistant-bubble {
    background-color: var(--df-gray-100);
}

.user-bubble {
    background-color: var(--df-orange);
    color: #fff;
}

.chat-avatar {
    width: 36px;
    height: 36px;
    background: var(--df-navy);
}

/* Login page */
.login-bg {
    background: linear-gradient(135deg, var(--df-navy) 0%, var(--df-navy-dark) 100%);
    min-height: 100vh;
}

.login-card {
    border: none;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.login-brand-icon {
    width: 56px;
    height: 56px;
    background: var(--df-orange);
    border-radius: 50%;
}

.btn-df-orange {
    background: var(--df-orange);
    border: none;
    color: #fff;
    font-weight: 500;
}

.btn-df-orange:hover {
    background: var(--df-orange-dark);
    color: #fff;
}

.form-control-df {
    background: var(--df-gray-50);
    border-color: var(--df-gray-200);
    border-radius: 0.5rem;
}

.form-control-df:focus {
    border-color: var(--df-orange);
    box-shadow: 0 0 0 0.2rem rgba(242, 122, 26, 0.15);
}