:root {
    --color-bg: #e4e7eb;
    --color-surface: #ffffff;
    --color-border: #dde1e7;
    --color-text: #1f2328;
    --color-muted: #6b7280;
    --color-primary: #4f7cff;
    --color-danger: #dc2626;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 15px;
}

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

a:hover {
    text-decoration: underline;
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--color-border);
}

.header__logo {
    height: 52px;
    width: auto;
    display: block;
}

.header__user {
    color: var(--color-muted);
    font-size: 14px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 24px;
}

.toolbar {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.search-form {
    display: flex;
    gap: 8px;
}

input, textarea, select {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-radius: 6px;
    padding: 9px 12px;
    font-family: inherit;
    font-size: 14px;
}

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

.btn {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 9px 16px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.btn:hover {
    opacity: 0.9;
    text-decoration: none;
}

.btn--danger {
    background: var(--color-danger);
}

.btn--ghost {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

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

th, td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
}

th {
    color: var(--color-muted);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

tr:hover td {
    background: rgba(0, 0, 0, 0.02);
}

.actions {
    display: flex;
    gap: 10px;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-row label {
    font-size: 13px;
    color: var(--color-muted);
}

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-card {
    width: 100%;
    max-width: 360px;
}

.login-card__logo {
    display: block;
    height: 80px;
    width: auto;
    margin: 0 auto 28px;
}

.alert {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert--error {
    background: rgba(220, 38, 38, 0.08);
    color: #b91c1c;
    border: 1px solid rgba(220, 38, 38, 0.25);
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.badge--prospect {
    background: rgba(217, 119, 6, 0.12);
    color: #b45309;
}

.badge--client {
    background: rgba(22, 163, 74, 0.12);
    color: #15803d;
}

.summary-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin: 0;
}

.summary-grid dt {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-muted);
    margin-bottom: 4px;
}

.summary-grid dd {
    margin: 0;
    font-size: 15px;
}

.company-info {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.company-info__label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-muted);
    margin-bottom: 6px;
}

.company-info p {
    margin: 0;
    white-space: pre-line;
}

.notes-list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.notes-list li {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 12px 14px;
}

.notes-list .meta {
    color: var(--color-muted);
    font-size: 12px;
    margin-bottom: 6px;
}

.muted {
    color: var(--color-muted);
}

.back-link {
    display: inline-block;
    margin-bottom: 16px;
}