/* ========================================== */
/* 1. ZMIENNE I BAZA SYSTEMU                   */
/* ========================================== */
:root {
    --bg-main: #f8fafc;
    --surface: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --primary: #059669;
    --primary-hover: #047857;
    --primary-light: #ecfdf5;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

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

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; }
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }


/* Wspólny przycisk powrotu używany w nagłówkach modułów */
.page-title-with-back {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}
.page-title-with-back h1,
.page-title-with-back h2,
.page-title-with-back h3 {
    margin-top: 0;
    margin-bottom: 0;
}
.page-home-back {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--surface);
    color: var(--text-main);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: background .16s ease, border-color .16s ease, transform .16s ease, box-shadow .16s ease;
}
.page-home-back:hover {
    background: var(--bg-main);
    border-color: #cbd5e1;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.page-home-back .material-icons { font-size: 22px; }
html.dark-theme .page-home-back {
    background: #1e293b;
    border-color: #334155;
    color: #f8fafc;
}
html.dark-theme .page-home-back:hover {
    background: #263548;
    border-color: #475569;
}

/* ========================================== */
/* 2. TOPBAR I ELEMENTY WSPÓLNE               */
/* ========================================== */
.topbar {
    background-color: var(--surface);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.topbar-logo {
    height: 56px !important;
    max-height: 56px;
    object-fit: contain;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
    background: var(--bg-main);
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}
.user-badge strong { color: var(--text-main); }

.btn-logout {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
    padding: 7px 14px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}
.btn-logout:hover {
    background: #fecaca;
    border-color: #f87171;
}

.btn-theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: 0.2s;
}
.btn-theme-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
}

.flash-container {
    max-width: 1280px;
    margin: 20px auto 0 auto;
    padding: 0 24px;
}
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
    font-weight: 500;
}
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-danger { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: #fef9c3; color: #854d0e; border: 1px solid #fef08a; }
.alert-info { background: #e0f2fe; color: #075985; border: 1px solid #bae6fd; }

@media (max-width: 768px) {
    .topbar { padding: 12px 16px; flex-direction: column; gap: 12px; align-items: stretch; }
    .user-info { justify-content: space-between; width: 100%; flex-wrap: wrap; }
    .user-badge span { display: none; }
    .flash-container { padding: 0 16px; }
}

/* ========================================== */
/* 3. ANIMACJA ZMIANY ILOŚCI W KASIE POS      */
/* ========================================== */
@keyframes yellowFlash {
    0%, 40% { background-color: #fde047 !important; color: #0f172a !important; }
    100% { background-color: transparent; }
}
@keyframes yellowFlashDark {
    0%, 40% { background-color: #854d0e !important; color: #fef08a !important; }
    100% { background-color: transparent; }
}
tr.flash-row td {
    animation: yellowFlash 0.8s ease-out;
}
html.dark-theme tr.flash-row td {
    animation: yellowFlashDark 0.8s ease-out;
}

/* ========================================== */
/* 4. GLOBALNY DARK MODE                      */
/* ========================================== */
html.dark-theme body {
    background-color: #0f172a;
    color: #f8fafc;
}

html.dark-theme .topbar,
html.dark-theme .panel-card,
html.dark-theme .register-card,
html.dark-theme .login-card,
html.dark-theme .module-card,
html.dark-theme .nav-btn,
html.dark-theme .table-wrapper {
    background-color: #1e293b !important;
    border-color: #334155 !important;
    color: #f8fafc !important;
}

html.dark-theme .welcome-header h1,
html.dark-theme .module-card h2,
html.dark-theme .nav-btn-content h3,
html.dark-theme .header-logo,
html.dark-theme .form-group label {
    color: #f8fafc !important;
}

html.dark-theme .welcome-header p,
html.dark-theme .module-card p,
html.dark-theme .nav-btn-content p,
html.dark-theme .user-badge {
    background: #0f172a !important;
    border-color: #334155 !important;
    color: #94a3b8 !important;
}

html.dark-theme .user-badge strong { color: #f8fafc !important; }
html.dark-theme .form-control { background-color: #0f172a !important; border-color: #334155 !important; color: #f8fafc !important; }

html.dark-theme .login-logo,
html.dark-theme .topbar-logo {
    filter: brightness(0) invert(1);
}

html.dark-theme .card-footer-stats {
    border-top-color: #334155 !important;
    color: #38bdf8 !important;
}

html.dark-theme .btn-theme-toggle {
    color: #f8fafc;
    border-color: #334155;
}
html.dark-theme .btn-theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Wybór kasy POS w dark mode */
html.dark-theme .register-select-wrapper { background-color: var(--bg-main) !important; }
html.dark-theme .register-card { background-color: var(--surface) !important; border-color: var(--border-color) !important; color: var(--text-main) !important; }
html.dark-theme .register-btn { background-color: #0f172a !important; border: 2px solid #334155 !important; color: #f8fafc !important; font-size: 16px !important; font-weight: bold !important; }
html.dark-theme .register-btn span { color: #94a3b8 !important; font-size: 13px !important; font-weight: 500 !important; }
html.dark-theme .register-btn:hover { background-color: #0c4a6e !important; border-color: #38bdf8 !important; color: #38bdf8 !important; }
html.dark-theme .register-btn:hover span { color: #e0f2fe !important; }

/* ========================================== */
/* 5. DEDYKOWANY DARK MODE DLA KASY POS       */
/* ========================================== */
html.dark-theme .pos-actions-bar {
    background-color: #1e293b !important;
    border-color: #334155 !important;
}
html.dark-theme .pos-actions-bar span[style*="font-weight: 600"] { color: #f8fafc !important; }
html.dark-theme .pos-actions-bar span[style*="color: var(--text-muted)"] { color: #cbd5e1 !important; }

html.dark-theme .panel-box {
    background-color: #1e293b !important;
    border-color: #334155 !important;
}

html.dark-theme .search-input {
    background-color: #0f172a !important;
    color: #f8fafc !important;
    border-bottom-color: #334155 !important;
}

/* Tabele w POS */
html.dark-theme th {
    background-color: #0f172a !important;
    color: #94a3b8 !important;
    border-bottom-color: #334155 !important;
}
html.dark-theme td {
    border-bottom-color: #334155 !important;
    color: #f8fafc !important;
}
html.dark-theme tr:hover td { background-color: #334155 !important; }
html.dark-theme tr.selected td {
    background-color: #064e3b !important;
    color: #6ee7b7 !important;
    border-bottom-color: #047857 !important;
}

/* Zakładki koszyków w POS */
html.dark-theme .cart-tabs-container {
    background-color: #0f172a !important;
    border-bottom: 1px solid #334155 !important;
}
html.dark-theme .cart-tab {
    color: #94a3b8 !important;
    border-right-color: #334155 !important;
    background: transparent;
}
html.dark-theme .cart-tab.active {
    background-color: #1e293b !important;
    color: #38bdf8 !important;
    border-bottom: 2px solid #38bdf8 !important;
}
html.dark-theme .cart-tab:hover:not(.active) {
    background-color: #334155 !important;
    color: #f8fafc !important;
}

/* Prawy panel i czytelne przyciski w POS */
html.dark-theme .action-btn {
    background-color: #1e293b !important;
    border: 1px solid #475569 !important;
    color: #f8fafc !important;
    font-weight: 600;
}
html.dark-theme .action-btn:hover:not(:disabled) {
    background-color: #334155 !important;
    border-color: #38bdf8 !important;
    color: #38bdf8 !important;
}
html.dark-theme .action-btn:disabled {
    opacity: 0.25 !important;
    background-color: #0f172a !important;
    border-color: #1e293b !important;
    color: #475569 !important;
    cursor: not-allowed !important;
    box-shadow: none !important;
}

/* Pola wejściowe (klient, bon) w POS */
html.dark-theme #customer-search-input,
html.dark-theme #voucher-input {
    background-color: #0f172a !important;
    border-color: #334155 !important;
    color: #f8fafc !important;
}

/* Czyste teksty opisów w kafelkach */
html.dark-theme .module-card p,
html.dark-theme .nav-btn-content p {
    background: transparent !important;
    background-color: transparent !important;
    color: #94a3b8 !important;
}

/* Bezpieczny odstęp na dole dla kasy POS */
.pos-grid {
    padding-bottom: 25px !important;
}
body {
    min-height: 100vh;
}

/* ========================================== */
/* POPRAWKA UKŁADU I PASKÓW W KASIE POS       */
/* ========================================== */


/* Pasek akcji kasy przyklejony zaraz pod głównym topbarem */
.pos-actions-bar {
    position: sticky !important;
    top: 73px !important; /* Wysokość głównego topbara w base.html */
    z-index: 99 !important;
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
}

/* Siatka POS dopasowana do dostępnej przestrzeni bez ucinania dołu */
.pos-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 12px;
    padding: 12px;
    height: calc(100vh - 135px) !important;
    box-sizing: border-box;
    overflow: hidden;
}

/* Zabezpieczenie paneli przed wychodzeniem poza ramki */
.left-panel, .right-panel {
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.right-panel {
    overflow-y: auto;
    padding-bottom: 20px;
}
/* ========================================== */
/* NAPRAWA MODALA, RABATÓW I MOBILNEGO SCROLLA*/
/* ========================================== */

/* 1. Czytelność w modalu wyboru klienta w trybie ciemnym */
html.dark-theme #modal-select-customer .action-btn {
    background-color: #0f172a !important;
    border-color: #334155 !important;
    color: #f8fafc !important;
}
html.dark-theme #modal-select-customer .action-btn strong {
    color: #38bdf8 !important;
}
html.dark-theme #modal-select-customer span {
    color: #94a3b8 !important;
}
html.dark-theme #modal-select-customer div[style*="background: #ffffff"] {
    background-color: #1e293b !important;
    border-color: #334155 !important;
}

/* 2. Czytelność przycisku po zastosowaniu rabatu */
html.dark-theme #btn-apply-customer-discount:disabled {
    background-color: #064e3b !important;
    border-color: #047857 !important;
    color: #6ee7b7 !important;
    opacity: 1 !important;
}

/* 3. Naprawa ucinania dołu na urządzeniach mobilnych / responsywność */
@media (max-width: 950px) {
    body {
        overflow-y: auto !important;
        height: auto !important;
    }
    .pos-actions-bar {
        position: relative !important;
        top: 0 !important;
    }
    .pos-grid {
        height: auto !important;
        overflow: visible !important;
        padding-bottom: 50px !important;
    }
}
/* ========================================== */
/* MODAL ZDJĘĆ I BEZPIECZNY ODSTĘP (MOBILE)   */
/* ========================================== */

/* Nowoczesny, gładki modal ze zdjęciem (efekt z aplikacji natywnych) */
dialog#image-modal {
    border: none !important;
    background: transparent !important;
    padding: 0 !important;
    max-width: 90vw !important;
    outline: none !important;
    overflow: visible !important;
}

dialog#image-modal::backdrop {
    background: rgba(15, 23, 42, 0.85) !important;
    backdrop-filter: blur(8px) !important;
}

dialog#image-modal img {
    border-radius: 16px !important;
    max-width: 100% !important;
    max-height: 85vh !important;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.7) !important;
    background: white !important;
    animation: imageZoom 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards !important;
}

@keyframes imageZoom {
    0% { transform: scale(0.8); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

dialog#image-modal button {
    position: absolute !important;
    top: -15px !important;
    right: -15px !important;
    width: 44px !important;
    height: 44px !important;
    border-radius: 50% !important;
    background: #ef4444 !important;
    color: white !important;
    border: 3px solid #1e293b !important;
    cursor: pointer !important;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: 0.2s !important;
    z-index: 10 !important;
}

dialog#image-modal button:hover {
    background: #dc2626 !important;
    transform: scale(1.1) !important;
}

/* Żelazny, bezpieczny odstęp u dołu interfejsów (w tym POS) na urządzeniach mobilnych */
@media (max-width: 950px) {
    .pos-grid {
        padding-bottom: 120px !important;
    }

    .product-grid {
        padding-bottom: 120px !important;
    }
}


/* Czytelniejsze identyfikatory produktów (SKU / EAN) w całym panelu. */
.product-identifier {
    display: inline-block;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 1.08em;
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: 0.015em;
    color: var(--text-main);
}
.product-ean {
    letter-spacing: 0.025em;
}

/* ---- Wygasła sesja ---- */
.session-expired-modal {
    width: min(430px, calc(100vw - 32px));
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 28px;
    background: var(--surface);
    color: var(--text-main);
    text-align: center;
    box-shadow: 0 28px 80px rgba(15, 23, 42, 0.34);
}
.session-expired-modal::backdrop {
    background: rgba(15, 23, 42, 0.72);
    backdrop-filter: blur(5px);
}
.session-expired-modal[open] { animation: sessionModalIn .16s ease-out; }
.session-expired-icon {
    width: 58px;
    height: 58px;
    margin: 0 auto 14px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: color-mix(in srgb, var(--warning) 15%, var(--surface));
    color: var(--warning);
}
.session-expired-icon .material-icons { font-size: 31px; }
.session-expired-modal h2 { margin: 0 0 8px; font-size: 22px; }
.session-expired-modal p {
    margin: 0 0 20px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.55;
}
.session-relogin-btn {
    width: 100%;
    border: 0;
    border-radius: 10px;
    padding: 12px 16px;
    background: var(--primary);
    color: #fff;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.session-relogin-btn:hover { filter: brightness(1.04); }
@keyframes sessionModalIn {
    from { opacity: 0; transform: translateY(8px) scale(.985); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ========================================== */
/* Round 22: wspólny loader i odporne obrazy  */
/* ========================================== */
.app-busy-indicator[hidden]{display:none!important}
.app-busy-indicator{position:fixed;inset:0;z-index:5000;pointer-events:none}
.app-busy-backdrop{position:absolute;inset:0;background:transparent;opacity:0;transition:opacity .18s ease}
.app-busy-indicator.blocking{pointer-events:auto}
.app-busy-indicator.blocking .app-busy-backdrop{background:rgba(15,23,42,.12);backdrop-filter:blur(1px);opacity:1}
.app-busy-progress{position:absolute;top:0;left:0;right:0;height:3px;overflow:hidden;background:color-mix(in srgb,var(--primary) 12%,transparent)}
.app-busy-progress span{display:block;width:38%;height:100%;background:var(--primary);border-radius:999px;animation:appBusyProgress 1.05s ease-in-out infinite}
.app-busy-pill{position:absolute;top:14px;left:50%;transform:translateX(-50%);min-height:40px;max-width:min(88vw,420px);padding:9px 14px;display:flex;align-items:center;justify-content:center;gap:9px;border:1px solid var(--border-color);border-radius:999px;background:color-mix(in srgb,var(--surface) 94%,transparent);color:var(--text-main);font-size:12px;font-weight:800;box-shadow:0 12px 34px rgba(15,23,42,.18);backdrop-filter:blur(8px)}
.app-busy-spinner{width:17px;height:17px;flex:0 0 17px;border-radius:50%;border:2px solid color-mix(in srgb,var(--primary) 22%,var(--border-color));border-top-color:var(--primary);animation:appBusySpin .7s linear infinite}
.image-load-failed{object-fit:contain!important;background:#f1f5f9!important}
html.dark-theme .image-load-failed{filter:brightness(.76)}
@keyframes appBusySpin{to{transform:rotate(360deg)}}
@keyframes appBusyProgress{0%{transform:translateX(-110%)}50%{transform:translateX(105%)}100%{transform:translateX(280%)}}
@media(max-width:640px){.app-busy-pill{top:8px;min-height:38px;font-size:11px}.app-busy-progress{height:2px}}

/* Globalne zabezpieczenia responsywne dla wszystkich podstron. */
img,video,canvas{max-width:100%}
table{max-width:100%}
input,select,textarea,button{max-width:100%}
@media(max-width:560px){
  dialog{max-width:calc(100vw - 20px)!important;max-height:calc(100dvh - 20px)!important}
  .flash-container{margin-top:12px}
  .user-info{gap:8px!important}
  .btn-logout{padding:7px 10px}
}