:root {
    --ink: #222831;
    --muted: #6b7280;
    --line: #e5e7eb;
    --paper: #f4f5f7;
    --card: #ffffff;
    --accent: #2b5fd9;
    --accent-ink: #ffffff;
    --busy: #c24040;
    --busy-bg: #fbeaea;
    --tent: #c07b1f;
    --tent-bg: #fdf3e2;
    --ok-bg: #e8f6ec;
    --ok-ink: #1e7a3c;
    --err-bg: #fdecec;
    --err-ink: #b3352f;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--ink);
    background: var(--paper);
}

a { color: var(--accent); }

.container { max-width: 1000px; margin: 0 auto; padding: 20px 16px 48px; }
body.public .container { max-width: 760px; }

/* Навигация */
.topnav {
    display: flex;
    align-items: center;
    gap: 18px;
    background: var(--card);
    border-bottom: 1px solid var(--line);
    padding: 10px 20px;
    position: sticky;
    top: 0;
    z-index: 5;
}
.topnav a { color: var(--ink); text-decoration: none; font-weight: 500; }
.topnav a:hover { color: var(--accent); }
.topnav .brand { font-weight: 700; font-size: 17px; }
.nav-user { margin-left: auto !important; color: var(--muted) !important; }
.topnav form.inline { margin: 0; }
.linklike {
    background: none;
    border: 0;
    color: var(--muted);
    font: inherit;
    cursor: pointer;
    padding: 0;
}
.linklike:hover { color: var(--accent); }
.badge-pending {
    display: inline-block;
    min-width: 20px;
    text-align: center;
    background: var(--busy);
    color: #fff;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 700;
    padding: 1px 6px;
    margin-left: 6px;
}

/* Заголовки, карточки, формы */
h1 { font-size: 22px; margin: 14px 0; }
h2 { font-size: 17px; margin: 22px 0 8px; }
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 18px 20px;
    margin: 14px 0;
}
.card h2 { margin-top: 0; }
.form-narrow { max-width: 440px; }
label { display: block; margin: 10px 0 4px; font-weight: 600; font-size: 14px; }
input[type=text], input[type=password], select, textarea {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font: inherit;
    background: #fff;
    color: var(--ink);
    margin-top: 4px;
}
textarea { min-height: 90px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); }

.btn {
    display: inline-block;
    background: var(--accent);
    color: var(--accent-ink);
    border: 0;
    border-radius: 8px;
    padding: 9px 16px;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    margin-top: 10px;
}
.btn:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-danger { background: transparent; color: var(--busy); border: 1px solid var(--busy); }
.btn-sm { padding: 5px 10px; font-size: 13px; border-radius: 7px; margin-top: 0; }

.hint { color: var(--muted); font-size: 13.5px; margin: 10px 0; }
.muted { color: var(--muted); }

/* Флеш-сообщения и ошибки */
.flash { border-radius: 10px; padding: 10px 14px; margin: 12px 0; font-weight: 500; }
.flash-ok { background: var(--ok-bg); color: var(--ok-ink); }
.flash-error { background: var(--err-bg); color: var(--err-ink); }
.err-list { margin: 6px 0; padding-left: 20px; }
.mt { margin-top: 12px; }
.link-code {
    font: 700 22px/1.2 ui-monospace, Consolas, "Courier New", monospace;
    letter-spacing: 2px;
    background: #eef3ff;
    border: 1px dashed var(--accent);
    border-radius: 8px;
    padding: 10px 14px;
    text-align: center;
    margin: 10px 0;
    user-select: all;
}

/* Календарь */
.cal-head { display: flex; align-items: center; gap: 12px; margin: 18px 0 8px; }
.cal-head h1 { margin: 0; flex: 1; text-align: center; font-size: 20px; }
.cal-head .btn { margin-top: 0; }
.cal-subtitle { text-align: center; color: var(--muted); margin: 2px 0 12px; font-weight: 600; }

table.calendar {
    width: 100%;
    border-collapse: separate;
    border-spacing: 4px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 6px;
}
table.calendar th {
    color: var(--muted);
    font-size: 12.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .03em;
    padding: 6px 4px;
}
.cal-cell {
    border: 1px solid var(--line);
    border-radius: 8px;
    vertical-align: top;
    height: 92px;
    width: 14.28%;
    background: #fff;
}
.cal-cell.empty { background: transparent; border-color: transparent; }
a.cal-link { display: block; height: 100%; min-height: 92px; padding: 6px; color: inherit; text-decoration: none; border-radius: 8px; }
a.cal-link:hover { background: #f2f6ff; box-shadow: inset 0 0 0 2px var(--accent); }
.cal-cell.today { border: 2px solid var(--accent); }
.cal-cell.sunday .daynum { color: var(--busy); }
.daynum { font-weight: 700; font-size: 14px; display: block; margin-bottom: 4px; }

.mark {
    display: inline-block;
    font-size: 11.5px;
    font-weight: 700;
    border-radius: 6px;
    padding: 1px 6px;
    margin: 1px 2px 1px 0;
}
.mark-busy { background: var(--busy-bg); color: var(--busy); }
.mark-tentative { background: var(--tent-bg); color: var(--tent); }
.legend { color: var(--muted); font-size: 13.5px; margin-top: 12px; }

/* Записи дня */
.entry { display: flex; gap: 14px; align-items: flex-start; }
.entry .comment { flex: 1; }
.comment-text { white-space: pre-line; margin-top: 6px; }
.entry .meta { color: var(--muted); font-size: 12.5px; margin-top: 6px; }
.entry-actions { display: flex; gap: 8px; flex-shrink: 0; align-items: flex-start; }
.card.editing { border-color: var(--accent); }

.chip {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    border-radius: 6px;
    padding: 2px 8px;
}
.chip-busy { background: var(--busy-bg); color: var(--busy); }
.chip-tentative { background: var(--tent-bg); color: var(--tent); }

/* Таблицы (админка) */
table.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    overflow: hidden;
}
table.table th, table.table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    font-size: 14px;
    vertical-align: middle;
}
table.table tr:last-child td { border-bottom: 0; }
table.table th {
    color: var(--muted);
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: .03em;
}
td.actions { display: flex; gap: 8px; flex-wrap: wrap; }
form.inline { display: inline; }

/* Телефон */
@media (max-width: 640px) {
    .container { padding: 12px 8px 40px; }
    .cal-cell, a.cal-link { min-height: 64px; height: 64px; }
    .daynum { font-size: 12.5px; }
    .mark { font-size: 10px; padding: 1px 4px; }
    .topnav { gap: 10px; padding: 8px 10px; flex-wrap: wrap; }
    .entry { flex-direction: column; gap: 6px; }
    table.table { display: block; overflow-x: auto; }
}