:root {
    --blue: #7c3aed;      /* fiolet główny */
    --blue-dark: #5b21b6; /* ciemniejszy fiolet */
    --bg: #f3f4f6;
    --card-bg: #ffffff;
    --border: #d1d5db;
    --text: #111827;
    --muted: #6b7280;
    --green: #16a34a;
    --orange: #f97316;
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

/* ================= NAVBAR / HEADER ================= */

header {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 20;
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-wrap {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo {
    font-weight: 800;
    font-size: 22px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--blue-dark);
    white-space: nowrap;
}

.logo-sub {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: .08em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 16px;
    font-size: 14px;
    color: var(--muted);
    margin-left: 24px;
}

.nav-links a {
    position: relative;
    padding-bottom: 2px;
}

.nav-links a:hover {
    color: var(--blue-dark);
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--blue);
    transition: width .15s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.cart-btn {
    border-radius: 999px;
    border: 1px solid #e5e7eb;
    padding: 7px 14px;
    font-size: 14px;
    background: #ffffff;
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cart-btn span.icon {
    font-size: 16px;
}

.cart-btn span.badge {
    background: var(--blue);
    color: #ffffff;
    border-radius: 999px;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
}

.cart-btn:hover {
    border-color: var(--blue);
}

/* prosty burger na mobile (jeśli go użyjesz) */
.menu-toggle {
    display: none;
    font-size: 22px;
    cursor: pointer;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    padding: 4px 8px;
    background: #f9fafb;
}

/* ================= AUTH (LOGOWANIE / REJESTRACJA) ================= */

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 16px 40px;
}

.auth-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 32px;
    margin-top: 20px;
}

.auth-left h1 {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 8px;
}

.auth-left p {
    font-size: 14px;
    color: var(--muted);
}

.auth-highlight-box {
    margin-top: 16px;
    padding: 14px 14px 12px;
    background: linear-gradient(135deg, #f5f3ff, #e0e7ff);
    border-radius: 16px;
    border: 1px solid #ddd6fe;
    font-size: 13px;
    color: #1f2937;
}

.auth-highlight-box ul {
    margin-top: 6px;
    padding-left: 18px;
}

.auth-highlight-box li {
    margin-bottom: 4px;
}

.auth-card {
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid #e5e7eb;
    padding: 18px 16px 16px;
    box-shadow: 0 6px 18px rgba(15,23,42,0.08);
}

.auth-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.auth-subtitle {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 14px;
}

.auth-field {
    margin-bottom: 10px;
}

.auth-label {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 4px;
    display: block;
}

.auth-input {
    width: 100%;
    padding: 9px 11px;
    font-size: 14px;
    border-radius: 999px;
    border: 1px solid #d1d5db;
    background: #f9fafb;
}

.auth-input:focus {
    outline: none;
    border-color: var(--blue);
    background: #ffffff;
    box-shadow: 0 0 0 1px rgba(124,58,237,0.12);
}

.auth-extra-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 12px;
}

.auth-extra-row label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.auth-extra-row input[type="checkbox"] {
    width: 14px;
    height: 14px;
}

.auth-btn-primary {
    width: 100%;
    padding: 9px 12px;
    border-radius: 999px;
    border: none;
    background: var(--blue);
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 8px;
}

.auth-btn-primary:hover {
    background: var(--blue-dark);
}

.auth-bottom-text {
    font-size: 12px;
    color: var(--muted);
    text-align: center;
    margin-top: 8px;
}

.auth-bottom-text a {
    color: var(--blue-dark);
    font-weight: 600;
}

.auth-errors {
    margin-bottom: 10px;
    font-size: 13px;
    color: #b91c1c;
    background: #fef2f2;
    border-radius: 12px;
    border: 1px solid #fecaca;
    padding: 8px 10px;
}

.auth-errors ul {
    padding-left: 18px;
}

/* ================= FOOTER ================= */

footer {
    border-top: 1px solid #e5e7eb;
    background: #f9fafb;
    color: #4b5563;
    padding: 22px 16px 18px;
    margin-top: 24px;
}

footer .inner {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.1fr 1.1fr 1.3fr;
    gap: 20px;
    margin-bottom: 16px;
}

.footer-logo {
    font-weight: 800;
    font-size: 20px;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--blue-dark);
    margin-bottom: 6px;
}

.footer-text {
    font-size: 13px;
}

.footer-col-title {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .16em;
    margin-bottom: 8px;
    color: #111827;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
}

.footer-links a {
    color: #4b5563;
}

.footer-links a:hover {
    color: var(--blue-dark);
}

.footer-payments {
    font-size: 22px;
    display: flex;
    gap: 6px;
    margin-top: 4px;
}

.footer-bottom {
    border-top: 1px solid #e5e7eb;
    padding-top: 8px;
    font-size: 12px;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    color: #6b7280;
}

.footer-bottom a {
    color: #6b7280;
}

.footer-bottom a:hover {
    color: var(--blue-dark);
}

/* ================= RESPONSYWNOŚĆ ================= */

@media (max-width: 960px) {
    .auth-layout {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
    }
}

@media (max-width: 780px) {
    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    main {
        padding-inline: 10px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .logo-sub {
        display: none;
    }
}