:root {
    --m3-primary: #00838f;
    /* Orzatty Cyan Darker */
    --m3-on-primary: #ffffff;
    --m3-primary-container: #b2ebf2;
    --m3-on-primary-container: #002021;
    --m3-surface: #fdfdfd;
    --m3-on-surface: #191c1c;
    --m3-surface-variant: #e0e3e3;
    --m3-on-surface-variant: #3f4949;
    --m3-outline: #6f7979;
    --m3-background: #fafdfd;
    --m3-sidebar: #f2f5f5;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background-color: var(--m3-background);
    color: var(--m3-on-surface);
    display: flex;
    height: 100vh;
}

/* Sidebar */
.m3-sidebar {
    width: 280px;
    background-color: var(--m3-sidebar);
    padding: 24px 12px;
    display: flex;
    flex-direction: column;
}

.m3-sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 12px 24px;
}

.m3-logo {
    width: 32px;
    height: 32px;
}

.m3-title {
    font-size: 22px;
    font-weight: 500;
    color: var(--m3-on-surface-variant);
}

.m3-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.m3-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--m3-on-surface-variant);
    border-radius: 28px;
    font-weight: 500;
    transition: background 0.2s;
}

.m3-nav-item:hover {
    background-color: rgba(0, 131, 143, 0.08);
}

.m3-nav-item.active {
    background-color: var(--m3-primary-container);
    color: var(--m3-on-primary-container);
}

.m3-nav-divider {
    height: 1px;
    background-color: var(--m3-outline);
    opacity: 0.2;
    margin: 16px 12px;
}

/* Main */
.m3-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.m3-top-app-bar {
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--m3-surface);
    border-bottom: 1px solid var(--m3-surface-variant);
}

.m3-search-bar {
    background: var(--m3-surface-variant);
    border-radius: 28px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    width: 400px;
}

.m3-search-bar input {
    border: none;
    background: transparent;
    outline: none;
    flex: 1;
    font-size: 14px;
}

.m3-actions {
    display: flex;
    gap: 16px;
    color: var(--m3-on-surface-variant);
}

/* Content */
.m3-content {
    padding: 32px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.m3-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

h1 {
    font-size: 24px;
    font-weight: 400;
    color: var(--m3-on-surface);
}

.m3-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.m3-stat-card {
    background-color: var(--m3-surface);
    border: 1px solid var(--m3-outline);
    border-radius: 4px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transition: 0.2s;
}

.m3-stat-card.active {
    border-bottom: 4px solid var(--m3-primary);
    background-color: #f0f7f7;
}

.m3-stat-card .label {
    font-size: 12px;
    color: var(--m3-on-surface-variant);
    margin-bottom: 4px;
}

.m3-stat-card .value {
    font-size: 24px;
    font-weight: 500;
}

.m3-card {
    background-color: var(--m3-surface);
    border: 1px solid var(--m3-outline);
    border-radius: 8px;
    margin-bottom: 24px;
}

.m3-chart-header {
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    border-bottom: 1px solid var(--m3-surface-variant);
}

.m3-chart-placeholder {
    padding: 32px;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.m3-wave-chart {
    width: 100%;
    height: 100%;
    opacity: 0.6;
}

.m3-crawler-card .m3-card-content {
    padding: 24px;
}

.m3-crawler-card h3 {
    margin: 0 0 12px;
    font-size: 18px;
    font-weight: 500;
}

.m3-crawler-card p {
    font-size: 14px;
    color: var(--m3-on-surface-variant);
    margin-bottom: 24px;
}

.m3-input-field {
    display: flex;
    gap: 12px;
}

.m3-input-field input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--m3-outline);
    border-radius: 4px;
    background: transparent;
}

.m3-button-filled {
    background-color: var(--m3-primary);
    color: var(--m3-on-primary);
    border: none;
    padding: 10px 24px;
    border-radius: 20px;
    font-weight: 500;
    cursor: pointer;
}

.m3-button-text {
    background: transparent;
    color: var(--m3-primary);
    border: none;
    padding: 10px 16px;
    border-radius: 20px;
    font-weight: 500;
    cursor: pointer;
}