/* Notebook (notebook.apbdevelopment.pl) — wlasny arkusz, niezalezny od
   glownej aplikacji (osobny vhost/docroot). Uklad wzorowany na NotebookLM:
   trzy panele — Zrodla | Rozmowa | Notatki. */

:root {
    --primary:    #1a4d8f;
    --primary-lt: #3f79c4;
    --bg:         #eef1f6;
    --card-bg:    #ffffff;
    --border:     #d9dfe8;
    --text:       #1d2733;
    --muted:      #67748a;
    --danger:     #c0392b;
    --ok:         #1e8e4e;
    --warn:       #b8860b;
    --radius:     10px;
    --shadow:     0 1px 4px rgba(29, 39, 51, .10);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
}

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

/* --- Naglowek ------------------------------------------------------------ */
.nb-header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 10px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
}
.nb-logo {
    width: 36px; height: 36px; border-radius: 9px;
    background: linear-gradient(135deg, var(--primary), var(--primary-lt));
    color: #fff; font-weight: 700; font-size: 15px;
    display: flex; align-items: center; justify-content: center;
    flex: 0 0 auto;
}
.nb-header h1 { font-size: 17px; color: var(--primary); }
.nb-header .nb-sub { font-size: 12px; color: var(--muted); }
.nb-header-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.nb-user { color: var(--muted); font-size: 13px; }

/* --- Przyciski / pola ---------------------------------------------------- */
.btn {
    display: inline-block;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text);
    border-radius: 7px;
    padding: 7px 14px;
    font-size: 13px;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { border-color: var(--primary-lt); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-lt); color: #fff; }
.btn-danger { color: var(--danger); }
.btn-danger:hover { border-color: var(--danger); color: var(--danger); }
.btn-sm { padding: 3px 9px; font-size: 12px; }
.btn[disabled] { opacity: .5; cursor: default; }

input[type="text"], textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 7px;
    padding: 8px 10px;
    font: inherit;
    background: #fff;
    color: var(--text);
}
input[type="text"]:focus, textarea:focus { outline: 2px solid var(--primary-lt); border-color: var(--primary-lt); }

.alert-error {
    background: #fdeaea; color: var(--danger);
    border-radius: 7px; padding: 10px 14px; margin-bottom: 14px; font-size: 13px;
}
.alert-ok {
    background: #e8f6ee; color: var(--ok);
    border-radius: 7px; padding: 10px 14px; margin-bottom: 14px; font-size: 13px;
}

/* --- Lista notatnikow (index) -------------------------------------------- */
.nb-wrap { max-width: 1100px; margin: 26px auto; padding: 0 18px; }
.nb-card {
    background: var(--card-bg); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px;
}
.nb-card h2 { font-size: 16px; color: var(--primary); margin-bottom: 12px; }
.nb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.nb-notatnik-kafel {
    border: 1px solid var(--border); border-radius: var(--radius);
    padding: 14px; background: #fff; display: flex; flex-direction: column; gap: 8px;
}
.nb-notatnik-kafel .tytul { font-size: 15px; font-weight: 600; color: var(--primary); text-decoration: none; }
.nb-notatnik-kafel .meta { font-size: 12px; color: var(--muted); }
.nb-notatnik-kafel .akcje { display: flex; gap: 6px; margin-top: auto; }
.nb-nowy-form { display: flex; gap: 10px; }
.nb-nowy-form input { flex: 1; }
details.nb-kosz summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.nb-kosz-lista { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.nb-kosz-poz { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }

/* --- Widok notatnika: 3 panele ------------------------------------------- */
.nb-app {
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr) 290px;
    gap: 14px;
    padding: 14px 18px;
    height: calc(100vh - 57px);
}
.nb-panel {
    background: var(--card-bg); border-radius: var(--radius);
    box-shadow: var(--shadow); display: flex; flex-direction: column; min-height: 0;
}
.nb-panel-naglowek {
    padding: 12px 14px; border-bottom: 1px solid var(--border);
    font-weight: 600; color: var(--primary); font-size: 14px;
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.nb-panel-tresc { padding: 12px 14px; overflow-y: auto; flex: 1; min-height: 0; }

/* Zrodla */
.nb-zrodlo {
    display: flex; align-items: flex-start; gap: 8px;
    padding: 8px; border-radius: 7px; margin-bottom: 6px;
    border: 1px solid transparent;
}
.nb-zrodlo:hover { background: #f5f8fc; border-color: var(--border); }
.nb-zrodlo input[type="checkbox"] { margin-top: 3px; }
.nb-zrodlo .nazwa {
    flex: 1; min-width: 0; font-size: 13px; word-break: break-word;
    color: var(--text); text-decoration: none;
}
.nb-zrodlo .nazwa:hover { color: var(--primary); }
.nb-zrodlo .status { font-size: 11px; color: var(--muted); display: block; margin-top: 2px; }
.nb-zrodlo .status.blad { color: var(--danger); }
.nb-zrodlo .status.praca { color: var(--warn); }
.nb-zrodlo .usun {
    border: none; background: none; color: var(--muted);
    cursor: pointer; font-size: 14px; padding: 0 2px; line-height: 1;
}
.nb-zrodlo .usun:hover { color: var(--danger); }
.nb-upload-strefa { margin-bottom: 10px; }

/* Rozmowa */
.nb-czat-lista { display: flex; flex-direction: column; gap: 12px; }
.nb-msg { max-width: 92%; border-radius: 12px; padding: 10px 14px; font-size: 14px; line-height: 1.5; white-space: pre-wrap; word-break: break-word; }
.nb-msg-user { align-self: flex-end; background: var(--primary); color: #fff; border-bottom-right-radius: 4px; }
.nb-msg-ai { align-self: flex-start; background: #f1f4f9; border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.nb-msg-ai.blad { background: #fdeaea; border-color: #f2c6c2; color: var(--danger); }
.nb-msg-stopka { font-size: 11px; color: var(--muted); margin-top: 6px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.nb-cyt {
    display: inline-block; background: var(--primary-lt); color: #fff;
    border: none; border-radius: 8px; font-size: 11px; font-weight: 600;
    padding: 0 6px; margin: 0 1px; cursor: pointer; vertical-align: baseline;
    text-decoration: none;
}
.nb-cyt:hover { background: var(--primary); }
.nb-pisze { color: var(--muted); font-size: 13px; font-style: italic; }
.nb-czat-forma { border-top: 1px solid var(--border); padding: 12px 14px; display: flex; gap: 8px; }
.nb-czat-forma textarea { resize: none; height: 62px; flex: 1; }

/* Notatki */
.nb-notatka { border: 1px solid var(--border); border-radius: 8px; padding: 10px; margin-bottom: 8px; }
.nb-notatka .tytul { font-weight: 600; font-size: 13px; margin-bottom: 4px; color: var(--primary); }
.nb-notatka .tresc { font-size: 13px; white-space: pre-wrap; word-break: break-word; }
.nb-notatka .akcje { margin-top: 6px; text-align: right; }

@media (max-width: 980px) {
    .nb-app { grid-template-columns: 1fr; height: auto; }
    .nb-panel { min-height: 240px; max-height: 60vh; }
}