:root {
    --bg-color: #0d1117;
    --sidebar-bg: rgba(22, 27, 34, 0.7);
    --card-bg: rgba(255, 255, 255, 0.05);
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent: #2f81f7;
    --accent-glow: rgba(47, 129, 247, 0.4);
    --success: #238636;
    --warning: #d29922;
    --error: #f85149;
    --border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(12px);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
}

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

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 2rem 1rem;
    position: fixed;
    height: 100vh;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 3rem;
    padding-left: 0.5rem;
}

.logo-icon {
    font-size: 1.5rem;
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    background: linear-gradient(to right, #fff, var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    list-style: none;
    flex-grow: 1;
}

.nav-links li {
    margin-bottom: 0.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    background: var(--card-bg);
    color: var(--text-primary);
    box-shadow: inset 0 0 10px rgba(255, 255, 255, 0.05);
}

.user-profile {
    margin-top: auto;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.username {
    font-weight: 600;
    font-size: 0.9rem;
}

.role {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.logout-btn {
    font-size: 0.8rem;
    color: var(--error);
    text-decoration: none;
    opacity: 0.8;
}

.logout-btn:hover {
    opacity: 1;
}

/* Content Area */
.content {
    margin-left: 260px;
    flex-grow: 1;
    padding: 2rem;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

h1 {
    font-size: 1.75rem;
    font-weight: 700;
}

/* Glass Cards */
.card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* Forms (Login) */
.login-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    width: 400px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.94rem;
}

input[type="text"],
input[type="password"],
input[type="email"],
textarea,
select {
    width: 100%;
    background: rgba(22, 27, 34, 0.8);
    /* Darker, solid background for better contrast */
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.8rem 1rem;
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s ease;
}

select option {
    background-color: #161b22;
    /* Matches sidebar for consistency */
    color: var(--text-primary);
}

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

button {
    width: 100%;
    padding: 0.8rem;
    border-radius: 12px;
    border: none;
    background: var(--accent);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-sm {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    width: auto;
    white-space: nowrap;
    text-decoration: none;
}

.btn-sm-neutral {
    background: var(--card-bg);
    color: var(--text-primary);
}

.btn-sm-accent {
    background: rgba(47, 129, 247, 0.1);
    color: var(--accent);
}

.btn-sm-error {
    background: rgba(248, 81, 73, 0.1);
    color: var(--error);
}

.btn-sm:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

.flash-messages {
    margin-bottom: 1.5rem;
}

.flash {
    padding: 1rem;
    border-radius: 12px;
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
    margin-bottom: 0.5rem;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
}

.stat-label {
    color: var(--text-secondary);
}

/* DataTables Overrides */
.dataTables_wrapper {
    background: transparent !important;
    color: var(--text-primary) !important;
}

table.dataTable {
    background: transparent !important;
    border-collapse: separate !important;
    border-spacing: 0 8px !important;
}

table.dataTable thead th {
    border-bottom: 1px solid var(--border) !important;
    color: var(--text-secondary);
    font-weight: 500;
}

table.dataTable tbody tr {
    background: var(--card-bg) !important;
    transition: transform 0.2s ease;
}

table.dataTable tbody tr:hover {
    background: rgba(255, 255, 255, 0.08) !important;
    transform: scale(1.005);
}

table.dataTable tbody td {
    padding: 1rem !important;
    border: none !important;
}

/* Fix for white background on sorted columns */
table.dataTable.display tbody tr.odd>.sorting_1,
table.dataTable.order-column.stripe tbody tr.odd>.sorting_1,
table.dataTable.display tbody tr.even>.sorting_1,
table.dataTable.order-column.stripe tbody tr.even>.sorting_1 {
    background-color: rgba(255, 255, 255, 0.02) !important;
}

.dataTables_filter input,
.dataTables_length select {
    background: #161b22 !important;
    /* Solid background for dropdowns */
    border: 1px solid var(--border) !important;
    border-radius: 8px !important;
    color: var(--text-primary) !important;
    padding: 0.4rem 0.8rem !important;
}

.dataTables_info,
.dataTables_paginate {
    color: var(--text-secondary) !important;
    margin-top: 1rem !important;
}

.paginate_button {
    color: var(--text-primary) !important;
    border-radius: 8px !important;
    border: 1px solid var(--border) !important;
    background: var(--card-bg) !important;
}

.paginate_button.current {
    background: var(--accent) !important;
    border-color: var(--accent) !important;
    color: white !important;
}

.risk-tag {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.risk-low {
    background: rgba(35, 134, 54, 0.2);
    color: #3fb950;
}

.risk-medium {
    background: rgba(210, 153, 34, 0.2);
    color: #d29922;
}

.risk-high {
    background: rgba(248, 81, 73, 0.2);
    color: #f85149;
}