:root {
    --bg: #edf4f8;
    --surface: rgba(255, 255, 255, 0.95);
    --surface-strong: #ffffff;
    --ink: #0e2a36;
    --muted: #56717d;
    --line: #d4e1e8;
    --navy: #103847;
    --orange: #ea6d11;
    --orange-soft: #fff1e6;
    --success: #2f855a;
    --danger: #c53030;
    --shadow: 0 18px 50px rgba(16, 56, 71, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    color: var(--ink);
    line-height: 1.5;
    background:
        radial-gradient(circle at top left, rgba(234, 109, 17, 0.08), transparent 30%),
        radial-gradient(circle at top right, rgba(16, 56, 71, 0.08), transparent 28%),
        var(--bg);
}

.invite-app {
    min-height: 100vh;
    padding: clamp(12px, 2.2vw, 24px);
}

.invite-shell {
    max-width: 1120px;
    margin: 0 auto;
    padding: clamp(18px, 2.4vw, 28px);
    border-radius: 28px;
    background: var(--surface);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
    overflow: hidden;
}

.invite-state {
    text-align: center;
    padding-top: 60px;
    padding-bottom: 60px;
}

.invite-logo {
    width: 88px;
    height: 88px;
    object-fit: contain;
}

.invite-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 18px;
    align-items: center;
    margin-bottom: 18px;
}

.invite-brand {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.invite-brand-copy {
    min-width: 0;
}

.invite-tag {
    margin: 0 0 10px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--orange);
}

h1, h2, h3, strong {
    color: var(--navy);
}

h1 {
    margin: 0;
    font-size: clamp(30px, 4.4vw, 44px);
    line-height: 1.02;
}

h2 {
    margin: 0;
    font-size: clamp(24px, 3vw, 34px);
}

h3 {
    margin: 0 0 14px;
    font-size: 18px;
}

.invite-copy,
.helper-copy,
.summary-card span,
.invite-trainer-card span,
.summary-label {
    color: var(--muted);
}

.invite-copy {
    margin: 12px 0 0;
    max-width: 620px;
    font-size: 16px;
    line-height: 1.65;
    overflow-wrap: anywhere;
}

.invite-email {
    overflow-wrap: anywhere;
}

.invite-trainer-card,
.summary-card,
.service-card,
.athlete-card,
.status-banner,
.slot-button {
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--surface-strong);
}

.invite-trainer-card {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 14px;
    padding: 16px;
    align-items: center;
}

.invite-trainer-card.trainer-card-compact {
    grid-template-columns: minmax(0, 1fr);
}

.invite-trainer-photo {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    object-fit: cover;
    background: var(--orange-soft);
}

.public-booking-photo {
    width: clamp(96px, 18vw, 148px);
    aspect-ratio: 1;
    border-radius: 20px;
    object-fit: cover;
    background: var(--orange-soft);
}

.public-booking-photo.is-fallback-logo {
    width: 72px;
    border-radius: 16px;
    object-fit: contain;
    padding: 8px;
}

.invite-trainer-photo.is-fallback-logo {
    object-fit: contain;
    padding: 6px;
}

.public-booking-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.public-booking-actions .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.public-booking-form-hero {
    align-items: stretch;
}

.trainer-profile-link {
    display: inline-block;
    margin-top: 8px;
    color: var(--orange);
    font-weight: 800;
    text-decoration: none;
}

.public-brand-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.public-brand-row .invite-tag {
    margin: 0;
}

.public-brand-logo {
    width: 34px;
    height: 34px;
    object-fit: contain;
}

.public-profile-band {
    margin: 0 0 18px;
    padding: 20px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.58);
}

.public-review-band {
    display: grid;
    gap: 16px;
    margin: 0 0 18px;
    padding: 20px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.72);
}

.public-rating-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.public-rating-stars {
    color: var(--orange);
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 2px;
    white-space: nowrap;
}

.public-review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.public-review-scroll {
    max-height: 220px;
    overflow-y: auto;
    padding-right: 6px;
    scrollbar-gutter: stable;
}

.public-review-card {
    display: grid;
    gap: 8px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #ffffff;
}

.public-review-rating {
    font-weight: 800;
    color: var(--orange);
}

.public-review-card p {
    margin: 0;
    color: var(--ink);
    line-height: 1.55;
}

.public-review-card span {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.trainer-profile-shell {
    display: grid;
    gap: 0;
    padding: clamp(28px, 4vw, 46px);
}

.trainer-profile-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(170px, 230px);
    gap: 28px;
    align-items: center;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--line);
}

.trainer-profile-main {
    display: flex;
    align-items: center;
    gap: 20px;
    min-width: 0;
}

.trainer-profile-copy {
    min-width: 0;
}

.trainer-profile-photo-card {
    display: grid;
    place-items: center;
    flex: 0 0 148px;
    width: 148px;
    height: 148px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: linear-gradient(145deg, rgba(255, 241, 230, 0.82), rgba(255, 255, 255, 0.92));
    overflow: hidden;
}

.trainer-profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.trainer-profile-photo.is-fallback-logo {
    width: 84px;
    height: 84px;
    object-fit: contain;
}

.trainer-profile-rating-card {
    display: grid;
    gap: 6px;
    justify-items: end;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #ffffff;
    color: var(--muted);
}

.trainer-profile-rating-card > span:first-child {
    color: var(--orange);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.trainer-profile-rating-card strong {
    font-size: 34px;
    line-height: 1;
}

.trainer-profile-rating-card > span:last-child {
    font-weight: 700;
}

.public-rating-pill {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #ffffff;
    color: var(--muted);
    font-weight: 700;
}

.public-rating-pill span:first-child {
    color: var(--orange);
    letter-spacing: 1px;
}

.trainer-profile-section {
    display: grid;
    gap: 18px;
    margin: 0;
    padding: 28px 20px;
    border-bottom: 1px solid var(--line);
}

.trainer-profile-section .section-heading {
    margin-bottom: 0;
}

.trainer-profile-section .invite-copy {
    margin-top: 0;
}

.trainer-service-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
}

.trainer-service-card {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #ffffff;
}

.trainer-service-card span,
.trainer-service-card p {
    display: block;
    margin: 4px 0 0;
    color: var(--muted);
}

.trainer-service-card p {
    font-size: 14px;
    line-height: 1.55;
}

.trainer-service-card > strong {
    white-space: nowrap;
}

.trainer-profile-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-top: 28px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: var(--navy);
}

.trainer-profile-cta h2 {
    color: #ffffff;
}

.trainer-profile-cta .invite-tag {
    margin-bottom: 8px;
}

.trainer-profile-cta .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    white-space: nowrap;
}

.invite-form {
    display: grid;
    gap: 18px;
}

.invite-progress {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.progress-step {
    display: flex;
    gap: 8px;
    align-items: center;
    min-height: 0;
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.94);
    color: var(--muted);
    font-weight: 700;
    text-align: center;
}

.progress-step span {
    font-size: 12px;
}

.progress-step.is-active {
    background: var(--navy);
    border-color: var(--navy);
    color: #ffffff;
}

.progress-step.is-complete {
    background: var(--orange-soft);
    border-color: rgba(234, 109, 17, 0.2);
    color: var(--orange);
}

.wizard-step {
    display: none;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.9);
}

.wizard-step.is-active {
    display: block;
}

.section-heading {
    margin-bottom: 16px;
}

.field-grid {
    display: grid;
    gap: 16px;
}

.field-grid.two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-span-two {
    grid-column: 1 / -1;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.field > span {
    font-size: 13px;
    font-weight: 700;
    color: var(--navy);
}

.field-hint {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 14px 16px;
    font: inherit;
    font-size: 16px;
    color: var(--ink);
    background: #ffffff;
}

input[type="date"],
.date-input {
    min-height: 52px;
    line-height: 1.2;
    appearance: none;
    -webkit-appearance: none;
}

input.input-validation-error,
select.input-validation-error,
textarea.input-validation-error {
    border-color: rgba(197, 48, 48, 0.55);
    box-shadow: 0 0 0 3px rgba(197, 48, 48, 0.08);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.service-grid,
.athlete-grid,
.slot-grid,
.review-grid {
    display: grid;
    gap: 14px;
}

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

.service-grid + .field-grid {
    margin-top: 16px;
}

.slot-grid,
.review-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.slot-scroll {
    max-height: 260px;
    overflow-y: auto;
    padding-right: 4px;
    scrollbar-gutter: stable;
}

.service-card,
.athlete-card,
.slot-button,
.summary-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 18px;
}

.service-card,
.athlete-card {
    cursor: pointer;
}

.service-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 14px;
    align-items: center;
    padding: 14px 16px;
    border-radius: 18px;
}

.service-card .service-title {
    grid-column: 1;
}

.service-card .service-meta {
    grid-column: 1;
}

.service-card .service-price {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    white-space: nowrap;
}

.summary-card span,
.invite-trainer-card span {
    display: block;
    overflow-wrap: anywhere;
}

.slot-button {
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 12px 14px;
    min-height: 0;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.2;
}

.calendar-panel {
    display: grid;
    gap: 12px;
    margin-top: 4px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.94);
}

.calendar-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.calendar-toolbar-copy {
    min-width: 0;
    text-align: center;
}

.calendar-label {
    display: block;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}

.calendar-nav {
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #ffffff;
    color: var(--navy);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.calendar-nav:disabled {
    opacity: 0.42;
    cursor: default;
}

.calendar-weekdays,
.availability-calendar {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 8px;
}

.calendar-weekdays {
    font-size: 12px;
    font-weight: 700;
    color: var(--muted);
    text-align: center;
}

.calendar-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    min-width: 0;
    height: 52px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #ffffff;
    color: var(--ink);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.calendar-day-number {
    line-height: 1;
    font-size: 18px;
}

.calendar-day-dot {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: transparent;
}

.calendar-day.is-available .calendar-day-dot {
    background: var(--orange);
}

.calendar-day.is-selected {
    border-color: var(--navy);
    background: var(--navy);
    color: #ffffff;
}

.calendar-day.is-selected .calendar-day-dot {
    background: #ffffff;
}

.calendar-day.is-disabled {
    opacity: 0.38;
    cursor: default;
}

.calendar-day-empty {
    visibility: hidden;
    pointer-events: none;
}

.service-card input,
.athlete-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.service-card.is-selected,
.athlete-card.is-selected,
.slot-button.is-selected {
    border-color: var(--orange);
    box-shadow: 0 10px 26px rgba(234, 109, 17, 0.18);
}

.service-title,
.service-price {
    font-weight: 800;
    color: var(--navy);
}

.button {
    border: none;
    border-radius: 999px;
    padding: 14px 22px;
    font: inherit;
    font-weight: 800;
    min-height: 52px;
    cursor: pointer;
}

.button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.button-primary {
    color: #ffffff;
    background: linear-gradient(135deg, #ea6d11, #ff8b3d);
}

.button-outline {
    color: var(--navy);
    background: transparent;
    border: 1px solid var(--line);
}

.wizard-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.wizard-spacer {
    flex: 1;
}

.status-banner,
.status-inline {
    padding: 14px 18px;
    font-weight: 600;
    border: 1px solid transparent;
    border-radius: 18px;
}

.status-banner-extra {
    display: block;
    margin-top: 6px;
    font-size: 14px;
    color: var(--muted);
}

.status-banner-extra a {
    color: var(--navy);
    font-weight: 800;
}

.booking-confirmation {
    display: grid;
    justify-items: start;
    gap: 12px;
    padding: clamp(24px, 4vw, 44px);
    border: 1px solid rgba(47, 133, 90, 0.22);
    border-radius: 24px;
    background: rgba(47, 133, 90, 0.08);
}

.booking-confirmation h2,
.booking-confirmation .invite-copy {
    margin: 0;
}

.booking-confirmation-mark {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 999px;
    background: var(--success);
    color: #ffffff;
    font-size: 28px;
    font-weight: 800;
    line-height: 1;
}

.session-manage-shell {
    display: grid;
    gap: 18px;
    justify-items: center;
}

.session-manage-card {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    width: min(680px, 100%);
    text-align: left;
}

.session-manage-card > div {
    display: grid;
    gap: 4px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #ffffff;
}

.session-manage-card span:not(.summary-label) {
    color: var(--muted);
    font-size: 14px;
    font-weight: 600;
}

.session-manage-actions {
    display: flex;
    justify-content: center;
    width: 100%;
}

.status-success {
    color: var(--success);
    background: rgba(47, 133, 90, 0.08);
    border-color: rgba(47, 133, 90, 0.18);
}

.status-error {
    color: var(--danger);
    background: rgba(197, 48, 48, 0.08);
    border-color: rgba(197, 48, 48, 0.18);
}

.validation-summary {
    color: var(--danger);
}

.validation-summary ul {
    margin: 0;
    padding-left: 20px;
}

.field-error,
.field-validation-error {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--danger);
}

.checkbox-row {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 14px 0 0;
}

.checkbox-row span {
    overflow-wrap: anywhere;
}

.checkbox-row input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
}

.address-suggestions {
    display: grid;
    gap: 6px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #ffffff;
    box-shadow: 0 14px 34px rgba(16, 56, 71, 0.14);
}

.address-suggestions[hidden] {
    display: none;
}

.address-suggestion {
    width: 100%;
    border: 0;
    border-radius: 12px;
    padding: 10px 12px;
    background: rgba(237, 244, 248, 0.85);
    color: var(--ink);
    font: inherit;
    font-size: 14px;
    text-align: left;
    cursor: pointer;
}

.address-suggestion:hover,
.address-suggestion:focus {
    background: var(--orange-soft);
    outline: none;
}

.new-athlete-fields.is-hidden {
    display: none;
}

@media (max-width: 900px) {
    .invite-hero,
    .trainer-profile-hero,
    .slot-grid,
    .review-grid,
    .field-grid.two-col {
        grid-template-columns: 1fr;
    }

    .invite-brand {
        flex-direction: column;
    }

    .public-booking-brand {
        flex-direction: row;
    }

    .trainer-profile-rating-card {
        justify-items: start;
    }
}

@media (max-width: 640px) {
    .invite-shell {
        border-radius: 22px;
    }

    .invite-logo {
        width: 72px;
        height: 72px;
    }

    h1 {
        font-size: clamp(30px, 11vw, 40px);
        line-height: 1.02;
    }

    input,
    select,
    textarea {
        min-height: 52px;
        border-radius: 14px;
        padding: 12px 14px;
    }

    input[type="date"],
    .date-input {
        display: block;
        min-height: 54px;
        padding-right: 12px;
    }

    .public-booking-brand {
        flex-direction: column;
    }

    .public-booking-photo {
        width: 88px;
    }

    .public-rating-summary {
        align-items: flex-start;
        flex-direction: column;
    }

    .public-rating-stars {
        font-size: 20px;
        letter-spacing: 1px;
    }

    .public-booking-photo.is-fallback-logo {
        width: 56px;
        padding: 6px;
    }

    .trainer-profile-main {
        align-items: flex-start;
        flex-direction: column;
    }

    .trainer-profile-photo-card {
        width: 116px;
        height: 116px;
        flex-basis: 116px;
    }

    .trainer-profile-cta,
    .trainer-service-card {
        flex-direction: column;
        align-items: stretch;
    }

    .trainer-profile-cta .button {
        width: 100%;
    }

    .session-manage-card {
        grid-template-columns: 1fr;
    }

    .public-brand-logo {
        width: 30px;
        height: 30px;
    }

    .slot-scroll {
        max-height: 220px;
    }

    .invite-progress {
        display: flex;
        gap: 10px;
        overflow-x: auto;
        padding-bottom: 4px;
        margin: 0 -4px;
        scroll-snap-type: x proximity;
    }

    .progress-step {
        min-width: 108px;
        flex: 1 0 108px;
        scroll-snap-align: start;
    }

    .wizard-step {
        padding: 18px;
    }

    .calendar-panel {
        padding: 14px;
    }

    .calendar-weekdays,
    .availability-calendar {
        gap: 6px;
    }

    .calendar-day {
        height: 44px;
        border-radius: 14px;
    }

    .calendar-day-number {
        font-size: 16px;
    }

    .wizard-actions {
        position: sticky;
        bottom: max(10px, env(safe-area-inset-bottom));
        flex-wrap: wrap;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 24px;
        background: rgba(255, 255, 255, 0.96);
        box-shadow: 0 12px 30px rgba(16, 56, 71, 0.12);
        backdrop-filter: blur(10px);
    }

    .wizard-actions .button {
        width: 100%;
    }

    .wizard-spacer {
        display: none;
    }
}