:root {
    --bg-color: #0f172a;
    --sidebar-bg: #1e293b;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --border-color: #334155;
    --hover-bg: #334155;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow: hidden;
}

h1, h2, h3, .logo span {
    font-family: 'Outfit', sans-serif;
}

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

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px;
    transition: all 0.3s ease;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.logo span {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-menu {
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    margin-bottom: 8px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-item:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(139, 92, 246, 0.1), rgba(59, 130, 246, 0.1));
    color: var(--accent-purple);
    border-left: 3px solid var(--accent-purple);
}

.sidebar-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.api-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-green);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0 40px 40px 40px;
    overflow-y: auto;
}

.top-bar {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    position: sticky;
    top: 0;
    background-color: var(--bg-color);
    z-index: 10;
}

.search-box {
    position: relative;
    width: 400px;
}

.search-box i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 48px;
    background-color: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 14px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-purple);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 16px;
}

.api-key-config {
    display: flex;
    gap: 8px;
}

.api-key-config input {
    padding: 8px 12px;
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 12px;
    width: 150px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--accent-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

/* Views */
.view {
    display: none;
}

.view.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

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

.view-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.view-header h1 {
    font-size: 28px;
    font-weight: 700;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
    background-color: var(--hover-bg);
    color: var(--text-primary);
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
}

#save-key-btn {
    background: var(--accent-blue);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.stat-card {
    background-color: var(--card-bg);
    padding: 24px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.purple { background: rgba(139, 92, 246, 0.1); color: var(--accent-purple); }
.stat-icon.green { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
.stat-icon.blue { background: rgba(59, 130, 246, 0.1); color: var(--accent-blue); }
.stat-icon.red { background: rgba(239, 68, 68, 0.1); color: var(--accent-red); }

.stat-info h3 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.stat-info p {
    font-size: 24px;
    font-weight: 700;
}

/* Tables */
.recent-section {
    background-color: var(--card-bg);
    border-radius: 24px;
    border: 1px solid var(--border-color);
    padding: 24px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 20px;
}

.see-all {
    color: var(--accent-purple);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 16px;
    color: var(--text-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

tr:last-child td {
    border-bottom: none;
}

.client-name {
    font-weight: 600;
    color: var(--text-primary);
}

.license-key-tag {
    background-color: var(--hover-bg);
    padding: 4px 8px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 13px;
    color: var(--accent-blue);
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge.active { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
.status-badge.inactive { background: rgba(239, 68, 68, 0.1); color: var(--accent-red); }

.action-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
    transition: color 0.2s;
}

.action-btn:hover {
    color: var(--text-primary);
}

.action-group {
    display: flex;
    gap: 8px;
}

.pause-btn:hover { color: var(--accent-blue); }
.pause-btn.paused { color: var(--accent-red); }
.edit-btn:hover { color: var(--accent-purple); }
.delete-btn:hover { color: var(--accent-red); }

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--card-bg);
    margin: 10% auto;
    padding: 32px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    width: 450px;
    animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.form-group input, .form-group select {
    width: 100%;
    padding: 12px;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
}

.form-group select option {
    background-color: var(--sidebar-bg);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 32px;
}

/* Details Modal */
.details-modal-content {
    width: 600px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-label { color: var(--text-secondary); font-size: 14px; }
.detail-value { font-weight: 500; font-size: 14px; }

.device-list {
    margin-top: 20px;
}

.device-item {
    background: var(--hover-bg);
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 8px;
    font-family: monospace;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Product Cards specific styling */
.product-card {
    cursor: default;
    flex-direction: column;
    align-items: flex-start;
}

.product-card .stat-icon {
    margin-bottom: 12px;
}

.product-card .stat-info h3 {
    font-size: 18px;
    color: var(--text-primary);
    font-weight: 600;
}

.product-card .stat-info p {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Login Screen Styling */
.login-container {
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top right, #1e293b, #0f172a);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
}

.login-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 48px;
    border-radius: 32px;
    width: 400px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.6s ease-out;
}

.login-card h1 {
    font-size: 32px;
    margin-bottom: 12px;
    text-align: center;
}

.login-card p {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 32px;
    font-size: 14px;
}
.column-filter {
    padding: 8px 12px;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
}

.column-filter:focus {
    border-color: var(--accent-purple);
}

.page-btn {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    min-width: 36px;
    text-align: center;
}

.page-btn.active {
    background: var(--accent-purple);
    color: white;
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.login-card .logo {
    justify-content: center;
    margin-bottom: 32px;
}