:root {
    --bg: #f4f5f7;
    --panel: #ffffff;
    --text: #1f2430;
    --muted: #6b7280;
    --accent: #2f6fed;
    --error: #d64545;
    --border: #e2e5ea;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app { flex: 1; display: flex; flex-direction: column; }

/* Logowanie */
.login {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.login-box {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 2rem;
    width: 100%;
    max-width: 340px;
    box-shadow: 0 8px 24px rgba(31, 36, 48, .08);
}
.login-box h1 {
    margin: 0 0 1.5rem;
    font-size: 1.35rem;
    text-align: center;
}
.login-box label {
    display: block;
    margin-bottom: 1rem;
}
.login-box label span {
    display: block;
    margin-bottom: .35rem;
    color: var(--muted);
    font-size: .85rem;
}
.login-box input {
    width: 100%;
    padding: .6rem .75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 1rem;
}
.login-box input:focus {
    outline: none;
    border-color: var(--accent);
}
.login-box button {
    width: 100%;
    padding: .7rem;
    margin-top: .5rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
}
.login-box button:hover { filter: brightness(1.08); }

.alert {
    padding: .6rem .75rem;
    border-radius: 6px;
    font-size: .9rem;
    margin-bottom: 1rem;
}
.alert-error {
    background: rgba(214, 69, 69, .08);
    border: 1px solid var(--error);
    color: #a12b2b;
}
.alert-ok {
    background: rgba(34, 160, 94, .10);
    border: 1px solid #22a05e;
    color: #1c7a48;
}

/* Panel */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .75rem 1.25rem;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
}
.topbar-title { font-weight: 600; }
.topbar-nav { display: flex; gap: 1rem; align-items: center; font-size: .9rem; }
.topbar-nav a { color: var(--accent); text-decoration: none; }

.content { padding: 2rem 1.25rem; }

.app-footer {
    padding: .75rem 1.25rem;
    color: var(--muted);
    text-align: center;
}

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

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

/* Tabela */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin: 1rem 0;
}
.table th,
.table td {
    padding: .6rem .75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.table th {
    background: #fafbfc;
    color: var(--muted);
    font-weight: 600;
    font-size: .85rem;
}
.table tr:last-child td { border-bottom: none; }

.badge {
    display: inline-block;
    padding: .15rem .55rem;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 600;
}
.badge-on   { background: rgba(34, 160, 94, .12); color: #1c7a48; }
.badge-off  { background: rgba(107, 114, 128, .14); color: #4b5563; }
.badge-warn { background: rgba(214, 158, 46, .15); color: #8a6116; }
.badge-err  { background: rgba(214, 69, 69, .12);  color: #a12b2b; }

.link-danger { color: var(--error) !important; text-decoration: none; }
.link-danger:hover { text-decoration: underline; }

/* Przycisk wyglądający jak link (dla akcji w formularzach) */
.link-btn {
    background: none;
    border: none;
    padding: 0;
    color: var(--accent);
    cursor: pointer;
    font: inherit;
}
.link-btn:hover { text-decoration: underline; }
.action-form { margin: 0; }

.row-between {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.row-hidden { opacity: .55; }

/* Formularze inline i karty */
.inline-form {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    align-items: center;
    margin: 1rem 0;
}
.inline-form input[type="text"],
.inline-form input[type="file"] {
    padding: .5rem .6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    min-width: 220px;
}
.inline-form button {
    padding: .5rem 1rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}
.inline-form button:hover { filter: brightness(1.08); }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    margin: 1.25rem 0;
}
.card h2 { margin-top: 0; }

.table code {
    background: #f0f2f5;
    padding: .1rem .35rem;
    border-radius: 4px;
    font-size: .85rem;
}

/* Przycisk-link */
.btn {
    display: inline-block;
    padding: .5rem 1rem;
    background: var(--accent);
    color: #fff !important;
    border-radius: 6px;
    text-decoration: none;
}
.btn:hover { filter: brightness(1.08); }

/* Formularz pionowy */
.stack-form {
    max-width: 560px;
    margin: 1rem 0;
}
.stack-form label {
    display: block;
    margin-bottom: 1rem;
}
.stack-form label span {
    display: block;
    margin-bottom: .35rem;
    color: var(--muted);
    font-size: .9rem;
}
.stack-form input[type="text"],
.stack-form textarea {
    width: 100%;
    padding: .6rem .7rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    font-family: inherit;
    font-size: 1rem;
}
.stack-form button {
    padding: .6rem 1.2rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
}
.stack-form button:hover { filter: brightness(1.08); }