:root {
    --primary: #00a884;
    --primary-dark: #008f6f;
    --bg-dark: #111b21;
    --bg-light: #202c33;
    --text-primary: #e9edef;
    --text-secondary: #8696a0;
    --border: #2a3942;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #eab308;
    --info: #3b82f6;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

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

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: var(--bg-light);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2rem;
    padding: 0.5rem;
}

.nav-menu {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
}

.nav-link:hover, .nav-link.active {
    background-color: rgba(0, 168, 132, 0.1);
    color: var(--primary);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.75rem;
    background-color: rgba(34, 197, 94, 0.1);
    border-radius: 8px;
    color: var(--success);
    font-size: 0.9rem;
}

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

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #0b141a;
    overflow-y: auto;
}

.top-bar {
    padding: 1.5rem 2rem;
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.view {
    padding: 2rem;
    display: none;
}

.view.active {
    display: block;
}

/* Cards & Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border);
}

.icon-bg {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.icon-bg.blue { background-color: rgba(59, 130, 246, 0.1); color: var(--info); }
.icon-bg.orange { background-color: rgba(234, 179, 8, 0.1); color: var(--warning); }
.icon-bg.green { background-color: rgba(34, 197, 94, 0.1); color: var(--success); }
.icon-bg.purple { background-color: rgba(168, 85, 247, 0.1); color: #a855f7; }

.stat-info h3 { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0.25rem; }
.stat-value { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.card {
    background-color: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 { font-size: 1rem; color: var(--text-primary); display: flex; align-items: center; gap: 0.5rem; }

.card-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.card-body { padding: 1.5rem; }

/* Worker Info Box */
.worker-info-box {
    background-color: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.worker-info-box p {
    margin: 0.5rem 0;
    color: var(--info);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.worker-info-box p:first-child {
    margin-top: 0;
}

.worker-info-box p:last-child {
    margin-bottom: 0;
}

/* Buttons & Inputs */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: none;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

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

.btn-secondary { background-color: var(--border); color: var(--text-primary); }
.btn-secondary:hover { background-color: #374248; }

.btn-danger { background-color: rgba(239, 68, 68, 0.1); color: var(--danger); }
.btn-danger:hover { background-color: rgba(239, 68, 68, 0.2); }

.search-box {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

input, select, textarea {
    background-color: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    flex: 1;
    font-size: 1rem;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* Lists & Tables */
.worker-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.worker-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background-color: var(--bg-dark);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.worker-info { display: flex; align-items: center; gap: 0.75rem; }
.worker-status { font-size: 0.8rem; padding: 0.25rem 0.5rem; border-radius: 4px; }
.worker-status.ready { background-color: rgba(34, 197, 94, 0.1); color: var(--success); }
.worker-status.connecting { background-color: rgba(59, 130, 246, 0.1); color: var(--info); }
.worker-status.offline { background-color: rgba(239, 68, 68, 0.1); color: var(--danger); }

.activity-list {
    list-style: none;
    max-height: 300px;
    overflow-y: auto;
}

.activity-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.activity-time { color: var(--text-secondary); font-size: 0.8rem; min-width: 60px; }

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

.data-table th, .data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th { color: var(--text-secondary); font-weight: 500; font-size: 0.9rem; }

/* Result Area */
.result-card {
    background-color: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-top: 2rem;
    overflow: hidden;
}

.result-content {
    display: flex;
    padding: 2rem;
    gap: 2rem;
    align-items: center;
}

.profile-pic-large {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary);
}

.result-details pre {
    background-color: var(--bg-dark);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    overflow-x: auto;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.hidden { display: none; }

.modal-content {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    max-width: 400px;
    width: 100%;
    position: relative;
    border: 1px solid var(--border);
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.qr-container {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: 12px;
    margin: 1.5rem 0;
    display: inline-block;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.qr-container canvas,
.qr-container img {
    display: block !important;
    margin: 0 auto;
}

#qr-worker-id {
    color: var(--text-secondary);
    margin-top: 1rem;
    font-size: 0.9rem;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Utils */
.hidden { display: none !important; }
.code-block { background-color: var(--bg-dark); padding: 1rem; border-radius: 8px; overflow-x: auto; font-family: monospace; }
.options { display: flex; gap: 1.5rem; margin-top: 1rem; }

/* Status Cards */
.bg-danger-light { background-color: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.3); }
.bg-warning-light { background-color: rgba(234, 179, 8, 0.1); border: 1px solid rgba(234, 179, 8, 0.3); }
.bg-info-light { background-color: rgba(59, 130, 246, 0.1); border: 1px solid rgba(59, 130, 246, 0.3); }

/* Activity List */
.activity-list { max-height: 600px; overflow-y: auto; }
.activity-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}
.activity-item:last-child { border-bottom: none; }
.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}
.activity-icon.success { background-color: rgba(34, 197, 94, 0.2); color: var(--success); }
.activity-icon.error { background-color: rgba(239, 68, 68, 0.2); color: var(--danger); }
.activity-icon.warning { background-color: rgba(234, 179, 8, 0.2); color: var(--warning); }
.activity-icon.info { background-color: rgba(59, 130, 246, 0.2); color: var(--info); }
.activity-content { flex: 1; }
.activity-title { font-weight: 600; margin-bottom: 0.25rem; }
.activity-details { font-size: 0.9rem; color: var(--text-secondary); }
.activity-time { font-size: 0.85rem; color: var(--text-secondary); margin-top: 0.25rem; }
.loading { text-align: center; padding: 2rem; color: var(--text-secondary); }

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    min-width: 300px;
    max-width: 400px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: slideIn 0.3s ease-out;
    pointer-events: auto;
    position: relative;
    overflow: hidden;
}

.toast::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
}

.toast.success::before { background-color: var(--success); }
.toast.error::before { background-color: var(--danger); }
.toast.warning::before { background-color: var(--warning); }
.toast.info::before { background-color: var(--info); }

.toast-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--info); }

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.toast-message {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
    flex-shrink: 0;
}

.toast-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.toast.removing {
    animation: slideOut 0.3s ease-in forwards;
}

@media (max-width: 768px) {
    .app-container { flex-direction: column; }
    .sidebar { width: 100%; height: auto; border-right: none; border-bottom: 1px solid var(--border); }
    .nav-menu { flex-direction: row; overflow-x: auto; padding-bottom: 0.5rem; }
    .grid-2-col { grid-template-columns: 1fr; }
    
    .toast-container {
        top: 10px;
        right: 10px;
        left: 10px;
    }
    
    .toast {
        min-width: auto;
        max-width: 100%;
    }
}