:root {
    --bg-color: #f2f5f9;
    --surface-color: rgba(255, 255, 255, 0.55);
    --surface-alt: rgba(255, 255, 255, 0.75);
    --border-color: rgba(255, 255, 255, 0.85);
    --text-main: #0b1120;
    --text-muted: #475569;
    
    --accent-color: #10b981;
    --accent-hover: #059669;
    --accent-glow: rgba(16, 185, 129, 0.35);
    
    --c-emerald: #10b981;
    --c-red: #b91010;
    --c-blue: #0ea5e9;
    --c-purple: #8b5cf6;
}

[data-theme="dark"] {
    --bg-color: #05070b;
    --surface-color: rgba(15, 23, 42, 0.6);
    --surface-alt: rgba(30, 41, 59, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --accent-color: #34d399;
    --accent-hover: #10b981;
    --accent-glow: rgba(16, 185, 129, 0.35);

    --c-emerald: #34d399;
    --c-red: #d33434;
    --c-blue: #38bdf8;
    --c-purple: #a78bfa;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
    transition: background-color 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
                color 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
                border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
                backdrop-filter 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
                box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* GEOMETRYCZNE TŁO */
.geometric-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.geometric-bg span {
    position: absolute;
    display: block;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.25;
    animation: floatOrb 20s infinite alternate linear;
}

.geometric-bg span:nth-child(1) { width: 400px; height: 400px; background: var(--accent-color); top: -10%; left: -10%; animation-duration: 25s; }
.geometric-bg span:nth-child(2) { width: 500px; height: 500px; background: var(--c-blue); bottom: -20%; right: -10%; animation-duration: 30s; animation-direction: reverse; }
.geometric-bg span:nth-child(3) { width: 350px; height: 350px; background: var(--c-purple); top: 40%; left: 60%; animation-duration: 22s; }
.geometric-bg span:nth-child(4) { width: 300px; height: 300px; background: var(--c-red); bottom: 20%; left: 10%; animation-duration: 28s; }

@keyframes floatOrb {
    0% { transform: translate(0px, 0px) scale(1); }
    50% { transform: translate(60px, 40px) scale(1.1); }
    100% { transform: translate(-40px, 80px) scale(0.9); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* GŁÓWNY KONTENER DWUKOLUMNOWY */
.auth-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 16px;
    max-width: 960px;
    margin: 0 auto;
    width: 100%;
}

.auth-container-split {
    width: 100%;
    background: var(--surface-color);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border: 1px solid var(--border-color);
    border-radius: 32px;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.1);
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    overflow: hidden;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@media(max-width: 768px) {
    .auth-container-split {
        grid-template-columns: 1fr;
    }
}

/* LEWA STRONA (Informacje) */
.auth-info-side {
    background: var(--surface-alt);
    padding: clamp(30px, 5vw, 45px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-right: 1px solid var(--border-color);
}

@media(max-width: 768px) {
    .auth-info-side {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}

.brand-logo {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--accent-color);
    margin-top: 15px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
}

.back-link:hover {
    color: var(--text-main);
}

.info-content {
    margin: 30px 0;
}

.info-content h1 {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

.info-content p {
    color: var(--text-muted);
    font-size: 14.5px;
}

.service-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12.5px;
    color: var(--accent-color);
    font-weight: 600;
    margin-top: 18px;
}

.info-steps-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

.step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
}

.step-dot.active {
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* PRAWA STRONA (Formularz) */
.auth-form-side {
    padding: clamp(30px, 5vw, 45px);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.form-header {
    margin-bottom: 25px;
}

.form-header h2 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 6px;
    letter-spacing: -0.5px;
}

.form-header p {
    color: var(--text-muted);
    font-size: 14px;
}

.form-step {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.form-step.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-main);
}

.form-input {
    width: 100%;
    padding: 13px 16px;
    background: var(--surface-alt);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    color: var(--text-main);
    font-size: 14px;
    outline: none;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.form-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-muted);
    cursor: pointer;
    margin-bottom: 22px;
}

.form-checkbox input {
    accent-color: var(--accent-color);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.step-buttons {
    display: flex;
    gap: 12px;
}

.step-buttons .btn {
    flex: 1;
}

/* PRZYCISKI */
.btn {
    padding: 13px 26px;
    border-radius: 16px;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14.5px;
    width: 100%;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 0 35px var(--accent-glow), 0 6px 20px rgba(0,0,0,0.15);
    border-color: rgba(255,255,255,0.3);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 45px var(--accent-glow), 0 8px 25px rgba(0,0,0,0.25);
}

.btn-outline {
    background: var(--surface-alt);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--surface-color);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

.auth-footer-link {
    text-align: center;
    margin-top: 22px;
    font-size: 13.5px;
    color: var(--text-muted);
}

.auth-footer-link a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer-link a:hover {
    text-decoration: underline;
}

/* DOLNY GLOBALNY PANEL (Język, motyw, warunki, polityka) */
.auth-global-footer {
    width: 100%;
    max-width: 960px;
    margin-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10px;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-controls-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 16px;
    color: var(--text-muted);
    font-size: 12.5px;
}

.lang-selector select {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-weight: 600;
    cursor: pointer;
    font-size: 12.5px;
    outline: none;
}

.theme-switcher {
    display: inline-flex;
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3px;
}

.theme-btn {
    background: transparent;
    border: none;
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    width: auto;
}

.theme-btn.active {
    background: var(--surface-alt);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text-main);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.footer-links-group {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13.5px;
    color: var(--text-muted);
}

.footer-links-group a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
}

.footer-links-group a:hover {
    color: var(--text-main);
    text-decoration: underline;
}

/* BANER COOKIES (Styl zgodny ze stroną główną) */
/* STYL COOKIE BANNER (TOŻSAMY ZE STRONĄ GŁÓWNĄ) */
#cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    max-width: 440px;
    background: var(--surface-color);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--border-color);
    padding: clamp(20px, 4vw, 28px);
    border-radius: 24px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
    z-index: 1000;
    animation: fadeInUp 0.5s ease forwards;
}

@media (min-width: 480px) {
    #cookie-banner {
        right: auto;
    }
}

.cookie-content {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 20px;
}

.cookie-icon {
    font-size: 26px;
    color: var(--accent-color);
    background: var(--surface-alt);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 14px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.cookie-text h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-main);
}

.cookie-text p {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.5;
}

.cookie-actions {
    display: flex;
    gap: 12px;
}

.cookie-actions .btn {
    flex: 1;
    padding: 10px;
    font-size: 13.5px;
    text-align: center;
    width: 100%;
}