:root {
    --bg-body: #0b1320;
    --bg-card: #111a2b;
    --bg-input: #0e1626;
    --bg-hover: rgba(255, 255, 255, 0.05);
    --primary: #2f6fed;
    --primary-hover: #2558c2;
    --primary-disabled: #1a4a8a;
    --primary-light: rgba(47, 111, 237, 0.2);
    --text-main: #e6e9ef;
    --text-label: #cbd5e1;
    --text-muted: #a3aac2;
    --text-muted-dark: #64748b;
    --border-color: #2a3650;
    --border-focus: #2f6fed;
    --status-error: #ffb4b4;
    --status-error-bg: rgba(255, 77, 77, 0.1);
    --status-error-border: rgba(255, 77, 77, 0.2);
	--status-warning: #ffa502;
    --status-success: #b4ffcb;
    --status-success-bg: rgba(46, 213, 115, 0.1);
    --status-success-border: rgba(46, 213, 115, 0.2);
    --status-load: #9bbcff;
}
*, *::before, *::after {
    box-sizing: border-box;
}
html, body {
    margin: 0;
    padding: 0;
}
body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
    padding: 32px 16px 40px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
@supports (min-height: 100svh) { body { min-height: 100svh; } }
@supports (min-height: 100dvh) { body { min-height: 100dvh; } }
.scene {
    width: 100%;
    max-width: 480px;
    display: grid;
    grid-template-areas: "stack";
    perspective: 1200px;
    margin: clamp(24px, 10vh, 64px) auto 32px;
	justify-content: center;
}
main {
    width: 100%;
    max-width: 480px;
    padding: 30px;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    margin: clamp(24px, 10vh, 64px) auto 32px;
}
.card {
    grid-area: stack;
    align-self: center;
    width: 100%;
    padding: 30px;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    backface-visibility: hidden;
    opacity: 0;
    transform: scale(0.9) translateY(20px);
    filter: blur(8px);
    pointer-events: none;
    z-index: 1;
    visibility: hidden;
    transition:
        opacity 0.8s cubic-bezier(0.4, 0.0, 0.2, 1),
        transform 0.8s cubic-bezier(0.4, 0.0, 0.2, 1),
        filter 0.8s cubic-bezier(0.4, 0.0, 0.2, 1),
        visibility 0.8s step-end;
}
.card.active {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0);
    z-index: 10;
    pointer-events: all;
    visibility: visible;
    transition:
        opacity 0.8s cubic-bezier(0.4, 0.0, 0.2, 1),
        transform 0.8s cubic-bezier(0.4, 0.0, 0.2, 1),
        filter 0.8s cubic-bezier(0.4, 0.0, 0.2, 1),
        visibility 0s;
}
.card.leaving {
    opacity: 0;
    transform: scale(1.1);
    filter: blur(12px);
    z-index: 5;
    visibility: visible;
}
h1 {
    margin: 0 0 10px;
    font-size: 24px;
    text-align: center;
}
p.muted {
    color: var(--text-muted);
    font-size: 14px;
    text-align: center;
    margin-top: 0;
    margin-bottom: 25px;
    line-height: 1.5;
}
label {
    display: block;
    margin: 15px 0 6px;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-label);
}
label#firstpass {
    margin-top: 3px;
}
input,
select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    color: var(--text-main);
    font-size: 15px;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}
input:focus,
select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}
.email-group {
    display: flex;
    align-items: center;
    gap: 8px;
}
.email-group input {
    flex: 2;
    min-width: 0;
}
.email-group span {
    color: var(--text-muted-dark);
    font-weight: bold;
    font-size: 16px;
    user-select: none;
}
.email-group select {
    flex: 1;
    min-width: 0;
    cursor: pointer;
}
.pwd-meter {
    height: 4px;
    background: var(--border-color);
    margin-top: 8px;
    border-radius: 2px;
    overflow: hidden;
}
.pwd-meter-fill {
    height: 100%;
    width: 0%;
    background: #ff4d4d;
    transition: width 0.3s ease, background 0.3s ease;
}
.pwd-reqs {
    list-style: none;
    padding: 0;
    margin: 10px 0 0;
    font-size: 12px;
    color: var(--text-muted-dark);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.pwd-reqs li {
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.3s;
}
.pwd-reqs li.valid {
    color: var(--status-success);
}
.pwd-reqs li::before { content: '•'; }
.pwd-reqs li.valid::before { content: '✓'; }
button.btn-action,
button[type="submit"] {
    width: 100%;
    margin-top: 25px;
    padding: 14px;
    border-radius: 10px;
    border: none;
    background: var(--primary);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}
button.btn-action:hover,
button[type="submit"]:hover {
    background: var(--primary-hover);
}
button.btn-action:active,
button[type="submit"]:active {
    transform: scale(0.98);
}
button.btn-action:disabled,
button[type="submit"]:disabled {
    background: var(--primary-disabled);
    cursor: not-allowed;
    opacity: 0.6;
}
.switch-link {
    display: block;
    text-align: center;
    margin-top: 25px;
    color: var(--status-load);
    cursor: pointer;
    font-size: 14px;
    transition: color 0.2s;
}
.switch-link:hover {
    color: #fff;
}
.back-link {
    display: block;
    text-align: center;
    margin-top: 15px;
    color: var(--status-load);
    text-decoration: none;
    font-size: 14px;
    cursor: pointer;
    transition: color 0.2s;
}
.back-link:hover {
    color: var(--primary);
}
.msg-box {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 14px;
}
.msg-err {
    background: var(--status-error-bg);
    color: var(--status-error);
    border: 1px solid var(--status-error-border);
}
.msg-ok {
    background: var(--status-success-bg);
    color: var(--status-success);
    border: 1px solid var(--status-success-border);
}
#login-status,
#pass-match-status,
#availability-status {
    font-size: 13px;
    font-weight: 500;
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    overflow: hidden;
    transform: translateY(0);
    transition: 
        max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        margin-top 0.4s ease,
        opacity 0.2s ease,
        transform 0.2s ease,
        color 0.2s ease;
}
#login-status.show,
#pass-match-status.show,
#availability-status.show {
    max-height: 40px;
    opacity: 1;
    margin-top: 10px;
    margin-bottom: 5px;
    transform: translateY(0);
}
.status-ok { color: var(--status-success); }
.status-bad { color: var(--status-error); }
.status-load { color: var(--status-load); }
.captcha-container {
    display: flex;
    justify-content: center;
    margin-top: 15px;
}
.hidden {
    display: none !important;
}
.fade-in {
    animation: fadeIn 0.3s ease-out;
}
.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 25px;
    padding: 15px;
    background: var(--bg-hover);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
}
.avatar {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
}
.user-info { flex: 1; }
.email { font-weight: 600; margin-bottom: 4px; }
.change-user {
    color: var(--primary);
    cursor: pointer;
    font-size: 14px;
}
.service-badge {
    background: var(--primary-light);
    color: var(--primary);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}
.service-choices {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 20px 0;
}
.service-card {
    background: var(--bg-hover);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
	user-select: none;
    -webkit-tap-highlight-color: transparent;
}
.service-card:hover {
    border-color: var(--primary);
    background: rgba(47, 111, 237, 0.1);
    transform: translateY(-2px);
}
.service-icon { font-size: 32px; margin-bottom: 10px; }
.service-name { font-weight: 600; margin-bottom: 5px; }
.service-desc { font-size: 12px; color: #94a3b8; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 768px) {
    body {
        padding-top: 0;
        padding-bottom: 0;
        justify-content: flex-start;
        min-height: 100vh;
    }
    .scene {
        margin-top: 0;
        margin-bottom: 20px;
        max-width: 100%;
        border-radius: 0 0 16px 16px;
    }
    .card {
         border-radius: 0 0 16px 16px;
         box-shadow: none;
    }
    main {
        margin-top: 0;
        border-radius: 0 0 16px 16px;
    }
}
@media (max-width: 380px) {
    .email-group {
        flex-wrap: wrap;
    }
    .email-group span {
        display: none;
    }
    .email-group input,
    .email-group select {
        flex: 100%;
    }
}

/* --- Animacje wewnętrzne --- */
#step-identity, #step-dynamic {
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 1;
    transform: translateX(0);
}
.anim-out-left {
    opacity: 0 !important;
    transform: translateX(-30px) !important;
    pointer-events: none;
    transition: all 0.3s ease;
}
.anim-out-right {
    opacity: 0 !important;
    transform: translateX(30px) !important;
    pointer-events: none;
}
.anim-in-start-left {
    opacity: 0 !important;
    transform: translateX(-30px) !important;
}
.anim-in-start-right {
    opacity: 0 !important;
    transform: translateX(30px) !important;
}
.switch-link {
    transition: opacity 0.3s ease;
}