* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f5f6f8;
    color: #1f2937;
}

.topbar {
    background: #172033;
    color: white;
    padding: 18px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar h1 {
    margin: 0;
    font-size: 22px;
}

.topbar a {
    color: white;
    text-decoration: none;
    font-weight: 600;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    margin-bottom: 25px;
}

.page-header h2 {
    margin: 0 0 6px;
    font-size: 28px;
}

.muted {
    color: #6b7280;
}

.period-selector {
    background: white;
    border: 1px solid #dfe3e8;
    border-radius: 8px;
    padding: 12px 16px;
}

.period-selector select {
    margin-left: 8px;
    padding: 7px 10px;
    border: 1px solid #cbd5e1;
    border-radius: 5px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-bottom: 30px;
}

.card {
    background: white;
    border: 1px solid #e1e5ea;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.card-label {
    color: #6b7280;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 8px;
}

.card-value {
    font-size: 28px;
    font-weight: 700;
}

.section {
    background: white;
    border: 1px solid #e1e5ea;
    border-radius: 10px;
    padding: 22px;
    margin-bottom: 30px;
}

.section h3 {
    margin-top: 0;
}

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

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

th {
    background: #f3f4f6;
    color: #374151;
    font-size: 13px;
    text-align: left;
    padding: 12px;
    border-bottom: 2px solid #d1d5db;
}

td {
    padding: 12px;
    border-bottom: 1px solid #e5e7eb;
}

tbody tr:hover {
    background: #f8fafc;
}

table a {
    color: #1d4ed8;
    font-weight: 600;
    text-decoration: none;
}

table a:hover {
    text-decoration: underline;
}

.number {
    text-align: right;
}

.coverage {
    font-weight: 700;
}

.revenue {
    font-weight: 600;
}

@media (max-width: 900px) {
    .summary-grid {
        grid-template-columns: 1fr 1fr;
    }

    .page-header {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 600px) {
    .summary-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 18px;
    }

    .topbar {
        padding: 16px 18px;
    }
}

.job-search {
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 18px 0;
}

.job-search input {
    width: 100%;
    max-width: 420px;
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 14px;
}

.job-search input:focus {
    outline: none;
    border-color: #64748b;
}

#jobCount {
    color: #6b7280;
    font-size: 14px;
}

.login-container {
    min-height: calc(100vh - 60px);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 80px 20px;
}

.login-card {
    width: 100%;
    max-width: 430px;
    background: white;
    border: 1px solid #e1e5ea;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.login-card h2 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 26px;
}

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

.form-group label {
    display: block;
    margin-bottom: 7px;
    font-size: 14px;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 15px;
}

.form-group input:focus {
    outline: none;
    border-color: #64748b;
}

.login-button {
    width: 100%;
    margin-top: 24px;
    padding: 11px 16px;
    border: 0;
    border-radius: 6px;
    background: #172033;
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

.login-button:hover {
    opacity: 0.92;
}

.login-error {
    margin-top: 18px;
    padding: 12px;
    border: 1px solid #f1b8b8;
    border-radius: 6px;
    background: #fff5f5;
    font-size: 14px;
}

/* =========================================
   TOP NAVIGATION
   ========================================= */

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-name {
    color: #d1d5db;
    font-size: 14px;
    font-weight: 600;
}

.logout-form {
    margin: 0;
}

.logout-button {
    background: transparent;
    border: 1px solid #64748b;
    border-radius: 5px;
    color: white;
    padding: 7px 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.logout-button:hover {
    background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 700px) {
    .topbar {
        align-items: flex-start;
        flex-direction: column;
        gap: 15px;
    }

    .topbar-actions {
        flex-wrap: wrap;
        gap: 12px;
    }
}

/* =========================================
   UPLOAD PAGE
   ========================================= */

.upload-form {
    max-width: 650px;
}

.upload-form .form-group {
    margin-bottom: 22px;
}

.upload-form label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
}

.upload-form select,
.upload-form input[type="number"],
.upload-form input[type="file"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: white;
    font-size: 14px;
}

.upload-form select:focus,
.upload-form input:focus {
    outline: none;
    border-color: #64748b;
}

.form-help {
    margin-top: 7px;
    color: #6b7280;
    font-size: 13px;
}

.form-error {
    margin-top: 7px;
    color: #b91c1c;
    font-size: 13px;
}

.upload-actions {
    display: flex;
    gap: 12px;
    margin-top: 25px;
}

.primary-button,
.secondary-button {
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.primary-button {
    background: #172033;
    border: 1px solid #172033;
    color: white;
}

.secondary-button {
    background: white;
    border: 1px solid #cbd5e1;
    color: #1f2937;
}

.primary-button:hover,
.secondary-button:hover {
    opacity: 0.9;
}

.message-box {
    margin-bottom: 20px;
    padding: 14px 16px;
    background: white;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-weight: 600;
}

.validation-success {
    margin-top: 20px;
    padding: 14px 16px;
    background: #f8fafc;
    border: 1px solid #d1d5db;
    border-radius: 7px;
    font-weight: 600;
}

/* =========================================
   BILLING COVERAGE CHART
   ========================================= */

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.chart-header h3 {
    margin-bottom: 6px;
}

.chart-container {
    position: relative;
    width: 100%;
    height: 350px;
}

/* =========================================
   JOB TABLE FILTERS
   ========================================= */

.filter-row th {
    padding: 8px;
    background: #f8f9fb;
}

.column-filter {
    width: 100%;
    box-sizing: border-box;
    padding: 8px 10px;
    border: 1px solid #d5d9e0;
    border-radius: 6px;
    background: white;
    font-size: 13px;
}

.column-filter:focus {
    outline: none;
    border-color: #6b7280;
}

.status-billed {
    font-weight: 600;
}

.status-not-billed {
    font-weight: 600;
}
/* =========================================================
   PHASE 4.3 - LIGHTWEIGHT SIGN-IN LANDING PAGE
   ========================================================= */

.landing-body {
    margin: 0;
    min-height: 100vh;
    background: #f4f7fb;
    color: #16233b;
}

.landing-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 20px;
    box-sizing: border-box;
}

.landing-card {
    width: min(520px, 100%);
    background: #ffffff;
    border: 1px solid #dfe5ee;
    border-radius: 14px;
    padding: 44px;
    box-shadow: 0 16px 42px rgba(26, 45, 78, 0.10);
    text-align: center;
}

.landing-card h1 {
    margin: 10px 0 12px;
    font-size: 30px;
    color: #17233a;
}

.landing-badge {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eef4ff;
    color: #2456a6;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.landing-copy {
    margin: 0 auto 28px;
    max-width: 400px;
    color: #5a6679;
    line-height: 1.55;
}

.microsoft-signin-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-width: 250px;
    padding: 12px 18px;
    border-radius: 6px;
    background: #1f5fbf;
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
}

.microsoft-signin-button:hover {
    background: #174f9f;
    color: #ffffff;
}

.microsoft-mark {
    display: grid;
    grid-template-columns: repeat(2, 8px);
    grid-template-rows: repeat(2, 8px);
    gap: 2px;
}

.microsoft-mark span {
    width: 8px;
    height: 8px;
    background: currentColor;
}

.landing-user {
    margin: 0 0 20px;
    color: #5a6679;
}

.landing-secondary-link {
    display: block;
    margin-top: 16px;
    color: #4a5e7a;
    text-decoration: none;
}

.landing-note {
    margin: 16px 0 0;
    font-size: 13px;
    color: #748096;
}