:root {
    --color-bg: #f4f6f8;
    --color-surface: #ffffff;
    --color-border: #dde2e7;
    --color-text: #1f2933;
    --color-muted: #6b7785;
    --color-primary: #2554c7;
    --color-primary-dark: #1c3f9c;
    --color-success: #1a7f4b;
    --color-success-bg: #e5f6ec;
    --color-error: #b3261e;
    --color-error-bg: #fdecea;
    --color-open-bg: #fff4e0;
    --color-open-text: #9a5b00;
    --color-completed-bg: #e5f6ec;
    --color-completed-text: #1a7f4b;
    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 15px;
    line-height: 1.5;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}
.topbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    gap: 24px;
}
.brand { font-weight: 700; font-size: 18px; color: var(--color-text); }
.mainnav { display: flex; gap: 18px; flex: 1; }
.mainnav a { color: var(--color-muted); font-weight: 500; }
.mainnav a:hover { color: var(--color-primary); text-decoration: none; }
.topbar-user { display: flex; align-items: center; gap: 12px; color: var(--color-muted); }

.page-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 28px 24px 60px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

h1 { font-size: 26px; margin: 0 0 6px; }
h2 { font-size: 19px; margin: 32px 0 12px; }
h4 { font-size: 15px; margin: 16px 0 8px; }

.auth-box {
    max-width: 380px;
    margin: 60px auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
}
.auth-box.wide { max-width: 520px; }
.auth-box h1 { text-align: center; margin-bottom: 20px; font-size: 20px; }

label {
    display: block;
    font-weight: 600;
    font-size: 13px;
    color: var(--color-muted);
    margin-bottom: 14px;
}

input[type=text], input[type=email], input[type=password], input[type=number], textarea, select {
    width: 100%;
    margin-top: 6px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-surface);
}
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 84, 199, 0.15);
}

.btn-primary, .btn-secondary, .btn-small, .btn-danger {
    display: inline-block;
    border: none;
    border-radius: 6px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-secondary { background: var(--color-surface); color: var(--color-primary); border: 1px solid var(--color-primary); }
.btn-small { padding: 6px 12px; font-size: 13px; background: var(--color-surface); border: 1px solid var(--color-border); }
.btn-danger { color: var(--color-error); border-color: var(--color-error); }
.btn-link { color: var(--color-muted); font-weight: 600; font-size: 14px; }

.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.alert-error { background: var(--color-error-bg); color: var(--color-error); }
.alert-success { background: var(--color-success-bg); color: var(--color-success); }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin: 20px 0 30px; }
.stat-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 18px; text-align: center; }
.stat-value { display: block; font-size: 26px; font-weight: 700; }
.stat-label { display: block; font-size: 12px; color: var(--color-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.04em; }

.data-table { width: 100%; border-collapse: collapse; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
.data-table th, .data-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--color-border); font-size: 14px; }
.data-table th { background: #f8f9fb; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-muted); }
.data-table tr:last-child td { border-bottom: none; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-open { background: var(--color-open-bg); color: var(--color-open-text); }
.badge-completed { background: var(--color-completed-bg); color: var(--color-completed-text); }

.search-bar { display: flex; gap: 10px; margin-bottom: 18px; align-items: center; }
.search-bar input[type=text] { width: auto; flex: 1; margin-top: 0; }
.search-bar select { width: auto; margin-top: 0; }

.pagination { display: flex; gap: 6px; margin-top: 16px; }
.pagination a { padding: 6px 12px; border: 1px solid var(--color-border); border-radius: 6px; color: var(--color-text); }
.pagination a.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 24px; }
.form-grid .full-width { grid-column: 1 / -1; }

.autocomplete-wrap { position: relative; }
.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    max-height: 220px;
    overflow-y: auto;
    z-index: 20;
    display: none;
}
.suggestions div { padding: 8px 12px; cursor: pointer; font-weight: 400; color: var(--color-text); font-size: 14px; }
.suggestions div:hover { background: #f0f3f8; }

.stage-preview { grid-column: 1 / -1; display: flex; gap: 24px; background: #f8f9fb; border: 1px solid var(--color-border); border-radius: 6px; padding: 12px 16px; margin-bottom: 16px; font-size: 14px; font-weight: 600; color: var(--color-text); }

.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 12px; }
.detail-table { width: 100%; border-collapse: collapse; margin-bottom: 12px; }
.detail-table th { text-align: left; color: var(--color-muted); font-size: 12px; text-transform: uppercase; padding: 6px 0; width: 40%; vertical-align: top; }
.detail-table td { padding: 6px 0; font-size: 14px; }

.notes-box { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 16px; font-size: 14px; }

.inline-form { display: inline; }
.pdf-gen-form { display: inline-flex; align-items: center; gap: 6px; margin-top: 6px; flex-wrap: wrap; }
.radio-group { display: inline-flex; flex-direction: row; align-items: center; gap: 10px; white-space: nowrap; }
.radio-inline { display: inline-flex; align-items: center; gap: 3px; font-weight: 400; margin-bottom: 0; font-size: 13px; color: var(--color-text); white-space: nowrap; }
.radio-inline input { width: auto; margin: 0; }
.inline-form-stack { display: flex; gap: 8px; align-items: flex-start; margin: 10px 0; }
.inline-form-stack textarea { flex: 1; margin-top: 0; }

.contact-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.contact-card-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }

.note-list { list-style: none; padding: 0; margin: 0 0 8px; }
.note-list li { padding: 6px 0; border-bottom: 1px solid var(--color-border); font-size: 14px; }
.note-list li:last-child { border-bottom: none; }

.project-mini-list { list-style: none; padding: 0; margin: 4px 0 0; }
.project-mini-list li { padding: 4px 0; font-size: 14px; }

.hint { color: var(--color-muted); font-size: 12px; font-weight: 400; }

.totp-setup { display: flex; gap: 24px; align-items: center; margin: 20px 0; }
.totp-key { display: inline-block; background: #f0f3f8; padding: 8px 12px; border-radius: 6px; font-size: 15px; letter-spacing: 0.05em; margin: 6px 0; }

.idle-modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 20, 25, 0.55);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.idle-modal-backdrop.visible { display: flex; }
.idle-modal {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 28px 32px;
    max-width: 360px;
    text-align: center;
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.idle-modal h2 { margin: 0 0 10px; font-size: 18px; }
.idle-modal p { margin: 0 0 18px; color: var(--color-muted); font-size: 14px; }
.idle-modal #idleCountdown { font-weight: 700; color: var(--color-error); }

@media (max-width: 720px) {
    .form-grid, .detail-grid { grid-template-columns: 1fr; }
    .mainnav { display: none; }
}