/* ============================================
   RCP Kserkom — Mobile-first CSS
   ============================================ */

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

:root {
    --clr-primary:    #1a56db;
    --clr-primary-dk: #1240a8;
    --clr-danger:     #e02424;
    --clr-success:    #057a55;
    --clr-warning:    #b45309;
    --clr-gray-50:    #f9fafb;
    --clr-gray-100:   #f3f4f6;
    --clr-gray-200:   #e5e7eb;
    --clr-gray-300:   #d1d5db;
    --clr-gray-500:   #6b7280;
    --clr-gray-700:   #374151;
    --clr-gray-900:   #111827;
    --clr-nadl-plus:  #057a55;
    --clr-nadl-minus: #e02424;
    --radius:         8px;
    --radius-lg:      12px;
    --shadow:         0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
}

html { font-size: 16px; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--clr-gray-100);
    color: var(--clr-gray-900);
    line-height: 1.5;
    min-height: 100vh;
}

/* ---- TOPBAR ---- */
.topbar {
    background: #fff;
    border-bottom: 1px solid var(--clr-gray-200);
    padding: 0 1rem;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow);
}
.topbar-title { font-weight: 600; font-size: 1rem; color: var(--clr-primary); }
.topbar-user  { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--clr-gray-500); }

/* ---- CONTAINER ---- */
.container { max-width: 900px; margin: 0 auto; padding: 1rem; }

/* ---- LOGIN ---- */
.login-page {
    background: var(--clr-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
}
.login-container {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 2rem 1.5rem;
    width: 100%;
    max-width: 360px;
}
.login-logo { text-align: center; margin-bottom: 1.5rem; }
.logo-icon { font-size: 2.5rem; margin-bottom: .5rem; }
.login-logo h1 { font-size: 1.25rem; font-weight: 700; color: var(--clr-primary); }
.login-logo p  { font-size: .85rem; color: var(--clr-gray-500); }
.login-form { display: flex; flex-direction: column; gap: 1rem; }

/* ---- CARD ---- */
.card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1rem;
    margin-bottom: 1rem;
}

/* ---- FORM ELEMENTS ---- */
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: .8rem; font-weight: 500; color: var(--clr-gray-500); text-transform: uppercase; letter-spacing: .03em; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.form-checks { display: flex; flex-direction: column; gap: 8px; justify-content: center; }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: .9rem; cursor: pointer; }
.checkbox-label input[type=checkbox] { width: 16px; height: 16px; cursor: pointer; }

input[type=text],
input[type=password],
input[type=time],
input[type=month],
select,
textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1.5px solid var(--clr-gray-300);
    border-radius: var(--radius);
    font-size: .95rem;
    color: var(--clr-gray-900);
    background: #fff;
    transition: border-color .15s;
    -webkit-appearance: none;
    appearance: none;
}
input[type=text]:focus,
input[type=password]:focus,
input[type=time]:focus,
input[type=month]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(26,86,219,.12);
}
input[type=time] { font-size: 1.1rem; font-weight: 600; }
.input-sm { max-width: 180px; }
.input-time { font-size: 1.2rem; font-weight: 700; color: var(--clr-primary); }
select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 32px; }

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1.5px solid var(--clr-gray-300);
    border-radius: var(--radius);
    background: #fff;
    color: var(--clr-gray-700);
    font-size: .9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s, border-color .15s, transform .1s;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}
.btn:hover   { background: var(--clr-gray-50); border-color: var(--clr-gray-400); }
.btn:active  { transform: scale(.97); }

.btn-primary  { background: var(--clr-primary); color: #fff; border-color: var(--clr-primary); }
.btn-primary:hover { background: var(--clr-primary-dk); border-color: var(--clr-primary-dk); }

.btn-secondary { background: var(--clr-gray-700); color: #fff; border-color: var(--clr-gray-700); }
.btn-secondary:hover { background: var(--clr-gray-900); }

.btn-outline  { background: transparent; }
.btn-danger   { background: var(--clr-danger); color: #fff; border-color: var(--clr-danger); }
.btn-danger:hover { opacity: .88; }

.btn-sm  { padding: 5px 10px; font-size: .8rem; }
.btn-lg  { padding: 12px 20px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ---- ALERTS ---- */
.alert {
    padding: .75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: .9rem;
    font-weight: 500;
}
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.alert-error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fcd34d; }
.alert-info    { background: #dbeafe; color: #1e40af; border: 1px solid #93c5fd; }

/* ---- BADGES ---- */
.badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 20px; font-size: .75rem; font-weight: 600; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-info    { background: #dbeafe; color: #1e40af; }
.badge-gray    { background: var(--clr-gray-200); color: var(--clr-gray-500); }

/* ---- TOPBAR CARD HEADER ---- */
.card-header-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--clr-gray-200);
}
.field-value { font-size: 1rem; font-weight: 600; color: var(--clr-gray-900); padding: 6px 0; }
.field-value.big { font-size: 1.5rem; color: var(--clr-primary); }

/* ---- GODZINY GRID ---- */
.godziny-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ---- SECTION TITLE ---- */
.section-title {
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--clr-gray-500);
    margin-bottom: .75rem;
}

/* ---- TABLES ---- */
.table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -1rem; padding: 0 1rem; }

table { width: 100%; border-collapse: collapse; }
th { background: var(--clr-gray-50); font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--clr-gray-500); padding: 8px 6px; text-align: left; border-bottom: 1.5px solid var(--clr-gray-200); white-space: nowrap; }
td { padding: 4px 4px; border-bottom: 1px solid var(--clr-gray-100); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--clr-gray-50); }

/* Kolumny tabeli wizyt */
.col-lp    { width: 36px; text-align: center; font-weight: 600; color: var(--clr-gray-500); font-size: .85rem; }
.col-czas  { width: 110px; }
.col-klient{ min-width: 140px; }
.col-uwagi { min-width: 120px; }
.col-nr    { width: 130px; }

/* Inputy w tabelach */
.table-wizyty input,
.table-zlecenia input,
.table-wizyty select,
.table-zlecenia select {
    padding: 7px 8px;
    font-size: .9rem;
    border-radius: 6px;
}
.table-wizyty input[type=time] { font-size: 1rem; font-weight: 600; color: var(--clr-primary); width: 100px; }

/* Admin table */
.table-admin th, .table-admin td { padding: 8px 10px; }
.actions-cell { white-space: nowrap; display: flex; gap: 4px; flex-wrap: wrap; }
.row-inactive td { opacity: .55; }

/* ---- STATS ---- */
.stats-card { }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
.stat-item {
    background: var(--clr-gray-50);
    border-radius: var(--radius);
    padding: .75rem;
    text-align: center;
}
.stat-label { font-size: .75rem; color: var(--clr-gray-500); font-weight: 500; text-transform: uppercase; margin-bottom: 4px; }
.stat-val   { font-size: 1.4rem; font-weight: 700; color: var(--clr-gray-900); }

/* ---- NADGODZINY ---- */
.nadl-plus  { color: var(--clr-nadl-plus) !important; font-weight: 700; }
.nadl-minus { color: var(--clr-nadl-minus) !important; font-weight: 700; }

/* ---- ACTION BAR ---- */
.action-bar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    padding: .5rem 0 1rem;
}

/* ---- ADMIN NAV ---- */
.admin-nav {
    display: flex;
    gap: 4px;
    margin-bottom: 1rem;
    border-bottom: 1.5px solid var(--clr-gray-200);
    overflow-x: auto;
}
.nav-link {
    padding: 8px 14px;
    font-size: .9rem;
    font-weight: 500;
    color: var(--clr-gray-500);
    text-decoration: none;
    border-bottom: 2.5px solid transparent;
    margin-bottom: -1.5px;
    white-space: nowrap;
}
.nav-link:hover  { color: var(--clr-gray-900); }
.nav-link.active { color: var(--clr-primary); border-bottom-color: var(--clr-primary); }

/* ---- FILTER BAR ---- */
.filter-bar { padding: .75rem 1rem; }
.filter-form { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; }
.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-group label { font-size: .75rem; font-weight: 600; color: var(--clr-gray-500); text-transform: uppercase; }
.filter-group input, .filter-group select { width: auto; min-width: 140px; }

/* ---- SALDA GRID ---- */
.salda-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.saldo-item {
    background: var(--clr-gray-50);
    border-radius: var(--radius);
    padding: .75rem;
    text-align: center;
}
.saldo-name { font-size: .8rem; color: var(--clr-gray-500); margin-bottom: 4px; }
.saldo-val  { font-size: 1.5rem; font-weight: 700; }

/* ---- TOAST ---- */
.toast {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: var(--clr-gray-900);
    color: #fff;
    padding: .75rem 1.5rem;
    border-radius: 30px;
    font-size: .9rem;
    font-weight: 500;
    z-index: 9999;
    opacity: 0;
    transition: transform .3s, opacity .3s;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0,0,0,.3);
}
.toast.show    { transform: translateX(-50%) translateY(0); opacity: 1; }
.toast-success { background: var(--clr-success); }
.toast-error   { background: var(--clr-danger); }

/* ---- TEXT HELPERS ---- */
.text-muted { color: var(--clr-gray-500); font-size: .9rem; }
code { background: var(--clr-gray-100); padding: 2px 6px; border-radius: 4px; font-size: .85rem; }

/* ============================================
   RESPONSIVE — tablet i desktop
   ============================================ */
@media (min-width: 600px) {
    .container { padding: 1.25rem; }
    .card { padding: 1.25rem; }
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
    .card-header-grid { grid-template-columns: repeat(3, auto); justify-content: start; }
    .godziny-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .card-header-grid { grid-template-columns: 1fr 1fr; }
    .godziny-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .table-wizyty input[type=time] { width: 88px; font-size: .9rem; }
    .action-bar .btn { flex: 1; justify-content: center; }
    .topbar-user span { display: none; }
}

/* ============================================
   PRINT — dla podglądu PDF
   ============================================ */
@media print {
    .topbar, .action-bar, .admin-nav { display: none !important; }
    body { background: #fff; }
    .card { box-shadow: none; border: 1px solid #ddd; }
}