@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary: #565e74;
    --primary-dim: #4a5268;
    --surface: #f7f9fb;
    --surface-container-low: #f0f4f7;
    --surface-container-lowest: #ffffff;
    --surface-container-highest: #d9e4ea;
    --on-surface: #2a3439;
    --on-surface-variant: #566166;
    --outline: #a9b4b9;
    --error: #9f403d;
}

* { box-sizing: border-box; }

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

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--surface);
    border-right: 1px solid rgba(169, 180, 185, 0.2);
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
}

.sidebar-logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2.5rem;
    letter-spacing: -0.02em;
    padding-left: 0.5rem;
}

.nav-link {
    color: var(--on-surface-variant);
    text-decoration: none;
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    margin-bottom: 0.25rem;
    font-weight: 500;
    font-size: 0.9rem;
    transition: background-color 0.2s, color 0.2s;
}

.nav-link:hover, .nav-link.active {
    background-color: var(--surface-container-lowest);
    color: var(--on-surface);
    box-shadow: 0px 4px 12px rgba(42, 52, 57, 0.03);
}

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

.topbar {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 3rem;
    background-color: var(--surface-container-low);
}

.page-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.content {
    padding: 2rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Components */
.card {
    background-color: var(--surface-container-lowest);
    border-radius: 0.75rem;
    padding: 1.5rem;
    border: 1px solid rgba(169, 180, 185, 0.15);
}

.btn-primary {
    background: linear-gradient(145deg, var(--primary), var(--primary-dim));
    color: white;
    border: none;
    padding: 0.6rem 1.25rem;
    border-radius: 0.375rem;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.metric-cluster {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.metric-value {
    font-size: 2.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}
.metric-label {
    font-size: 0.75rem;
    color: var(--on-surface-variant);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Tables */
.data-table-wrapper {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 0.5rem;
}
th {
    text-align: left;
    color: var(--on-surface-variant);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0 1rem 0.5rem;
    border-bottom: 1px solid rgba(169, 180, 185, 0.2);
}
td {
    background-color: var(--surface-container-lowest);
    padding: 1.25rem 1rem;
    font-size: 0.9rem;
    border-top: 1px solid rgba(169, 180, 185, 0.1);
    border-bottom: 1px solid rgba(169, 180, 185, 0.1);
}
tr td:first-child { 
    border-top-left-radius: 0.5rem; 
    border-bottom-left-radius: 0.5rem; 
    border-left: 1px solid rgba(169, 180, 185, 0.1);
    font-weight: 500;
}
tr td:last-child { 
    border-top-right-radius: 0.5rem; 
    border-bottom-right-radius: 0.5rem; 
    border-right: 1px solid rgba(169, 180, 185, 0.1);
}

.status-badge {
    padding: 0.35rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}
.status-go { background-color: #e8f5e9; color: #2e7d32; }
.status-nogo { background-color: #ffebee; color: var(--error); }
.status-pending { background-color: var(--surface-container-highest); color: var(--on-surface-variant); }

/* Utility Classes */
.grid-cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 2rem; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.text-muted { color: var(--on-surface-variant); font-size: 0.85rem; }