.fizon-booking {
    --fb-primary: #4f46e5;
    --fb-primary-dark: #4338ca;
    --fb-primary-soft: #eef2ff;
    --fb-accent: #06b6d4;
    --fb-text: #0f172a;
    --fb-text-soft: #334155;
    --fb-muted: #64748b;
    --fb-border: #e2e8f0;
    --fb-border-strong: #cbd5e1;
    --fb-bg: #ffffff;
    --fb-bg-soft: #f8fafc;
    --fb-bg-card: #ffffff;
    --fb-radius: 18px;
    --fb-radius-md: 12px;
    --fb-radius-sm: 10px;
    --fb-shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
    --fb-shadow-md: 0 4px 12px -2px rgba(15, 23, 42, .08), 0 2px 4px -2px rgba(15, 23, 42, .04);
    --fb-shadow-lg: 0 24px 48px -16px rgba(15, 23, 42, .18), 0 4px 12px -4px rgba(15, 23, 42, .08);
    --fb-success: #16a34a;
    --fb-success-bg: #dcfce7;
    --fb-error: #b91c1c;
    --fb-error-bg: #fef2f2;
    --fb-error-border: #fecaca;
    --fb-gradient: linear-gradient(135deg, var(--fb-primary) 0%, var(--fb-accent) 100%);

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--fb-text);
    max-width: 720px;
    margin: 0 auto;
    background: var(--fb-bg);
    border-radius: var(--fb-radius);
    padding: 0;
    box-sizing: border-box;
    line-height: 1.55;
    box-shadow: var(--fb-shadow-lg);
    overflow: hidden;
    position: relative;
    isolation: isolate;
}

.fizon-booking::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 6px;
    background: var(--fb-gradient);
    z-index: 1;
}

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

.fizon-booking__step {
    padding: 32px 32px 28px;
    animation: fizonFadeIn .35s ease;
}

@keyframes fizonFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.fizon-booking__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
}

.fizon-booking__title {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 700;
    text-align: center;
    flex: 1;
    text-transform: capitalize;
    color: var(--fb-text);
    letter-spacing: -.01em;
}

.fizon-booking__nav {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--fb-bg-soft);
    border: 1px solid var(--fb-border);
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    color: var(--fb-text-soft);
    transition: all .2s ease;
    font-family: inherit;
    padding: 0;
}

.fizon-booking__nav:hover {
    background: var(--fb-primary-soft);
    border-color: var(--fb-primary);
    color: var(--fb-primary);
    transform: translateY(-1px);
    box-shadow: var(--fb-shadow-sm);
}

.fizon-booking__nav:active { transform: translateY(0); }

.fizon-booking__back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: none;
    color: var(--fb-muted);
    padding: 8px 0;
    margin-bottom: 18px;
    font-size: .9rem;
    cursor: pointer;
    transition: color .2s ease, transform .2s ease;
    font-family: inherit;
    font-weight: 500;
}

.fizon-booking__back:hover {
    color: var(--fb-primary);
    transform: translateX(-2px);
}

.fizon-booking__weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
    margin-bottom: 8px;
    font-size: .72rem;
    color: var(--fb-muted);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 700;
}

.fizon-booking__grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
}

.fizon-booking__day {
    aspect-ratio: 1 / 1;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid transparent;
    background: transparent;
    border-radius: var(--fb-radius-sm);
    font-size: .95rem;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    color: var(--fb-text-soft);
    transition: all .2s cubic-bezier(.4, 0, .2, 1);
    padding: 0;
}

.fizon-booking__day--empty { visibility: hidden; }

.fizon-booking__day--disabled {
    color: #cbd5e1;
    cursor: not-allowed;
    background: transparent;
}

.fizon-booking__day--available {
    background: var(--fb-bg-soft);
    border-color: var(--fb-border);
    color: var(--fb-primary);
    font-weight: 600;
}

.fizon-booking__day--available::after {
    content: "";
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--fb-primary);
    opacity: .6;
    transition: opacity .2s ease, background .2s ease;
}

.fizon-booking__day--available:hover {
    background: var(--fb-primary-soft);
    border-color: var(--fb-primary);
    transform: translateY(-2px);
    box-shadow: var(--fb-shadow-md);
}

.fizon-booking__day--available:hover::after {
    opacity: 1;
}

.fizon-booking__day--selected {
    background: var(--fb-gradient);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 8px 20px -6px rgba(79, 70, 229, .55);
}

.fizon-booking__day--selected::after { background: #fff; opacity: 1; }

.fizon-booking__loader {
    text-align: center;
    padding: 16px 0 6px;
    color: var(--fb-muted);
    font-size: .88rem;
    position: relative;
}

.fizon-booking__loader::before {
    content: "";
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 8px;
    border: 2px solid var(--fb-border);
    border-top-color: var(--fb-primary);
    border-radius: 50%;
    vertical-align: -3px;
    animation: fizonSpin .8s linear infinite;
}

@keyframes fizonSpin {
    to { transform: rotate(360deg); }
}

.fizon-booking__hint {
    text-align: center;
    margin: 16px 0 0;
    color: var(--fb-muted);
    font-size: .85rem;
}

.fizon-booking__empty {
    margin: 14px 0 0;
    padding: 14px 16px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    color: #92400e;
    border-radius: var(--fb-radius-sm);
    font-size: .9rem;
    text-align: center;
    line-height: 1.5;
}

.fizon-booking__slots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px;
    margin-top: 18px;
}

.fizon-booking__slot {
    position: relative;
    background: var(--fb-bg-card);
    border: 1.5px solid var(--fb-border);
    border-radius: var(--fb-radius-md);
    padding: 14px 18px;
    cursor: pointer;
    text-align: left;
    transition: all .25s cubic-bezier(.4, 0, .2, 1);
    color: var(--fb-text-soft);
    font-size: .88rem;
    font-family: inherit;
    line-height: 1.4;
    overflow: hidden;
}

.fizon-booking__slot::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--fb-gradient);
    opacity: 0;
    transition: opacity .25s ease;
    z-index: 0;
}

.fizon-booking__slot > * { position: relative; z-index: 1; }

.fizon-booking__slot strong {
    display: block;
    font-size: 1.15rem;
    color: var(--fb-primary);
    margin-bottom: 4px;
    font-weight: 700;
    letter-spacing: -.01em;
    transition: color .25s ease;
}

.fizon-booking__slot-doctor {
    display: block;
    font-size: .85rem;
    color: var(--fb-text-soft);
    font-weight: 600;
    transition: color .25s ease;
}

.fizon-booking__slot-event {
    display: block;
    font-size: .82rem;
    color: var(--fb-muted);
    margin-top: 4px;
    line-height: 1.35;
    transition: color .25s ease;
}

.fizon-booking__slot-duration {
    display: inline-block;
    margin-top: 6px;
    padding: 2px 8px;
    font-size: .72rem;
    font-weight: 700;
    color: var(--fb-primary);
    background: var(--fb-primary-soft);
    border-radius: 999px;
    letter-spacing: .02em;
    transition: color .25s ease, background .25s ease;
}

.fizon-booking__slot:hover {
    border-color: transparent;
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 14px 28px -10px rgba(79, 70, 229, .45);
}

.fizon-booking__slot:hover::before { opacity: 1; }
.fizon-booking__slot:hover strong,
.fizon-booking__slot:hover .fizon-booking__slot-doctor,
.fizon-booking__slot:hover .fizon-booking__slot-event { color: #fff; }
.fizon-booking__slot:hover .fizon-booking__slot-duration {
    background: rgba(255, 255, 255, .22);
    color: #fff;
}

.fizon-booking__recap {
    background: var(--fb-bg-soft);
    border: 1px solid var(--fb-border);
    border-left: 4px solid var(--fb-primary);
    border-radius: var(--fb-radius-md);
    padding: 16px 18px;
    margin-bottom: 20px;
    font-size: .92rem;
    color: var(--fb-text-soft);
    line-height: 1.6;
}

.fizon-booking__recap strong { color: var(--fb-text); }

.fizon-booking__form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 16px;
}

.fizon-booking__field--full { grid-column: 1 / -1; }

.fizon-booking__field label {
    display: block;
    font-size: .82rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--fb-text-soft);
    letter-spacing: .01em;
}

.fizon-booking__field input[type="text"],
.fizon-booking__field input[type="email"],
.fizon-booking__field input[type="tel"],
.fizon-booking__field textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--fb-border);
    border-radius: var(--fb-radius-sm);
    font: inherit;
    font-size: .95rem;
    background: var(--fb-bg);
    color: var(--fb-text);
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.fizon-booking__field textarea {
    resize: vertical;
    min-height: 96px;
    line-height: 1.5;
}

.fizon-booking__field input::placeholder,
.fizon-booking__field textarea::placeholder {
    color: #94a3b8;
}

.fizon-booking__field input:hover,
.fizon-booking__field textarea:hover {
    border-color: var(--fb-border-strong);
}

.fizon-booking__field input:focus,
.fizon-booking__field textarea:focus {
    outline: none;
    border-color: var(--fb-primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, .12);
    background: #fff;
}

.fizon-booking__field--check label {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-weight: 400;
    cursor: pointer;
    font-size: .9rem;
    color: var(--fb-text-soft);
    padding: 12px 14px;
    background: var(--fb-bg-soft);
    border: 1px dashed var(--fb-border);
    border-radius: var(--fb-radius-sm);
    transition: border-color .2s ease, background .2s ease;
}

.fizon-booking__field--check label:hover {
    border-color: var(--fb-primary);
    background: var(--fb-primary-soft);
}

.fizon-booking__field--check input[type="checkbox"] {
    margin: 3px 0 0;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    accent-color: var(--fb-primary);
    cursor: pointer;
}

.fizon-booking__field--check a {
    color: var(--fb-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.fizon-booking__submit {
    width: 100%;
    background: var(--fb-gradient);
    background-size: 200% 200%;
    background-position: 0% 50%;
    color: #fff;
    border: none;
    border-radius: var(--fb-radius-sm);
    padding: 15px 22px;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: .01em;
    cursor: pointer;
    transition: background-position .4s ease, transform .15s ease, box-shadow .25s ease;
    font-family: inherit;
    box-shadow: 0 8px 20px -8px rgba(79, 70, 229, .55);
    margin-top: 4px;
}

.fizon-booking__submit:hover:not(:disabled) {
    background-position: 100% 50%;
    transform: translateY(-1px);
    box-shadow: 0 14px 28px -10px rgba(79, 70, 229, .65);
}

.fizon-booking__submit:active:not(:disabled) {
    transform: translateY(0);
}

.fizon-booking__submit:disabled {
    opacity: .65;
    cursor: not-allowed;
    box-shadow: none;
}

.fizon-booking__field-error {
    display: block;
    font-size: .8rem;
    color: var(--fb-error);
    font-weight: 600;
    margin-top: 6px;
    min-height: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height .2s ease, opacity .2s ease, margin-top .2s ease;
}

.fizon-booking__field--error .fizon-booking__field-error {
    max-height: 40px;
    opacity: 1;
}

.fizon-booking__field--error > label {
    color: var(--fb-error);
}

.fizon-booking__field--error input[type="text"],
.fizon-booking__field--error input[type="email"],
.fizon-booking__field--error input[type="tel"],
.fizon-booking__field--error textarea {
    border-color: var(--fb-error);
    background: var(--fb-error-bg);
    animation: fizonShake .4s cubic-bezier(.36, .07, .19, .97);
}

.fizon-booking__field--error input:focus,
.fizon-booking__field--error textarea:focus {
    box-shadow: 0 0 0 4px rgba(185, 28, 28, .14);
    background: #fff;
}

.fizon-booking__field--check.fizon-booking__field--error > label {
    border-color: var(--fb-error);
    background: var(--fb-error-bg);
    color: var(--fb-error);
    animation: fizonShake .4s cubic-bezier(.36, .07, .19, .97);
}

@keyframes fizonShake {
    10%, 90% { transform: translateX(-1px); }
    20%, 80% { transform: translateX(2px); }
    30%, 50%, 70% { transform: translateX(-4px); }
    40%, 60% { transform: translateX(4px); }
}

.fizon-booking__hint--top {
    text-align: left;
    margin: 0 0 18px;
    font-size: .92rem;
    color: var(--fb-muted);
}

.fizon-booking__title--start {
    text-align: left;
    flex: none;
    margin-bottom: 4px;
}

.fizon-booking__message {
    grid-column: 1 / -1;
    padding: 12px 14px;
    border-radius: var(--fb-radius-sm);
    font-size: .9rem;
    line-height: 1.5;
    border: 1px solid transparent;
    animation: fizonFadeIn .25s ease;
}

.fizon-booking__message--error {
    background: var(--fb-error-bg);
    color: var(--fb-error);
    border-color: var(--fb-error-border);
}

.fizon-booking__message--success {
    background: var(--fb-success-bg);
    color: var(--fb-success);
}

.fizon-booking__success {
    text-align: center;
    padding: 28px 8px 16px;
}

.fizon-booking__success::before {
    content: "";
    display: block;
    width: 72px;
    height: 72px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: var(--fb-success-bg);
    position: relative;
    background-image:
        linear-gradient(45deg, transparent 48%, var(--fb-success) 48% 56%, transparent 56%),
        linear-gradient(-45deg, transparent 48%, var(--fb-success) 48% 56%, transparent 56%);
    background-size: 32px 4px, 16px 4px;
    background-position: 24px 38px, 18px 32px;
    background-repeat: no-repeat;
    box-shadow: 0 0 0 8px rgba(34, 197, 94, .08);
    animation: fizonPop .45s cubic-bezier(.22, 1.4, .36, 1);
}

@keyframes fizonPop {
    0%   { transform: scale(.4); opacity: 0; }
    60%  { transform: scale(1.08); opacity: 1; }
    100% { transform: scale(1); }
}

.fizon-booking__success h3 {
    margin: 0 0 8px;
    color: var(--fb-text);
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -.015em;
}

.fizon-booking__success p {
    margin: 0 auto 22px;
    color: var(--fb-muted);
    max-width: 380px;
    font-size: .95rem;
}

.fizon-booking__success .fizon-booking__back {
    display: inline-flex;
    background: var(--fb-bg-soft);
    border: 1px solid var(--fb-border);
    color: var(--fb-text-soft);
    padding: 10px 18px;
    border-radius: var(--fb-radius-sm);
    font-weight: 600;
    margin: 0;
}

.fizon-booking__success .fizon-booking__back:hover {
    background: var(--fb-primary-soft);
    border-color: var(--fb-primary);
    color: var(--fb-primary);
    transform: none;
}

@media (max-width: 560px) {
    .fizon-booking__step { padding: 22px 18px 20px; }
    .fizon-booking__title { font-size: 1.05rem; }
    .fizon-booking__form { grid-template-columns: 1fr; }
    .fizon-booking__day { font-size: .88rem; }
    .fizon-booking__slots { grid-template-columns: 1fr; }
    .fizon-booking__nav { width: 36px; height: 36px; }
}

@media (prefers-reduced-motion: reduce) {
    .fizon-booking *,
    .fizon-booking *::before,
    .fizon-booking *::after {
        animation: none !important;
        transition: none !important;
    }
}