/* -- Selectors targeting: index.html -- */

#booking-modal {
    position: fixed;
    z-index: 1000;
    inset: 0;

    display: flex;
    align-items: center;
    justify-content: center;

    background-color: var(--overlay-color);
    opacity: 0;
    visibility: hidden;

    pointer-events: none;

    transition: opacity 0.25s ease;
}

#booking-modal.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.booking-card {
    display: flex;
    flex-direction: column;

    width: 80vw;
    max-width: 1200px;
    height: 90vh;
    max-height: 900px;

    padding: 2rem;
    overflow: hidden;

    background-color: var(--warm-white);
    border-radius: 20px;
    box-shadow: var(--box-shadow);
}

#booking-modal-content {
    flex: 1;

    padding: 1rem;
    overflow-y: auto;

    /* Prevent background scroll chaining */
    overscroll-behavior: contain;
}


/* -- Common selectors for HTML fragments -- */

#booking-modal-content section {
    margin-bottom: 2rem;
}

#booking-modal-content h2,
#booking-modal-content h3 {
    margin-bottom: 0.5rem;
}


/* Booking header section */

.booking-header p {
    line-height: 1.5;
}


/* Service details section */

.booking-service-details h4 {
    font-weight: 500;
    line-height: 1.5;
    color: var(--dark-grey);
}


/* Booking body section */

.booking-input-error {
    margin-bottom: 2rem;

    font-weight: 600;
    text-align: center;
    color: var(--error-red);
}


/* Booking actions section */

/* Identifier must be specific to overwrite previous <section> selector */
#booking-modal-content .booking-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-bottom: 0;
    padding-top: 2rem;

    border-top: 1px solid var(--light-green);
}

.booking-actions button {
    padding: 0.6rem 1.6rem;

    border-radius: 50px;
    border: none;

    font-size: 1.05rem;
    font-weight: 500;

    cursor: pointer;

    transition: all 0.3s ease;
}

.booking-cancel-btn {
    background: var(--dark-rose);

    color: var(--light-rose);
}

.booking-cancel-btn:hover {
    background: var(--error-red);
    box-shadow: var(--box-shadow);

    color: var(--light-rose);
}

.booking-next-btn {
    background: var(--dark-green);

    color: var(--light-rose);
}

.booking-next-btn:hover {
    background: var(--light-rose);
    box-shadow: var(--box-shadow);

    color: var(--dark-rose);
}


/* -- Selectors targeting: step-options.html -- */

.option-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.option-item {
    display: flex;
    gap: 1rem;

    padding: 1rem 1.2rem;

    background-color: var(--warm-white);
    border: 1px solid var(--light-green);
    border-radius: 15px;

    cursor: pointer;

    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.option-item:hover {
    border-color: var(--dark-green);
    box-shadow: var(--box-shadow);
}

.option-item:has(input[type="radio"]:checked) {
    background-color: var(--light-rose);
    border-color: var(--dark-green);
    box-shadow: var(--box-shadow);
}

.option-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 0.4rem;
}

.option-meta {
    display: flex;
    gap: 2rem;

    margin-top: 0.3rem;

    font-size: 0.95rem;
    color: var(--dark-grey);
}

/* Hide native radio buttons */
.option-item input[type="radio"] {
    position: absolute;

    width: 0;
    height: 0;

    opacity: 0;
}


/* -- Selectors targeting: step-extras.html -- */

.extra-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.extra-item {
    display: flex;
    gap: 1rem;

    padding: 1rem 1.2rem;

    background-color: var(--warm-white);
    border: 1px solid var(--light-green);
    border-radius: 15px;
}

.extra-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 0.4rem;
}

.extra-meta {
    display: flex;
    gap: 2rem;

    margin-top: 0.3rem;

    font-size: 0.95rem;
    color: var(--dark-grey);
}

.extra-quantity {
    display: flex;
    align-items: center;
    gap: 0.6rem;

    margin-top: 0.5rem;
}

.extra-quantity label {
    font-size: 0.9rem;
    color: var(--dark-grey);
}

.extra-quantity input[type="number"] {
    width: 70px;
    padding: 0.3rem 0.4rem;

    border-radius: 8px;
    border: 1px solid var(--light-green);

    font-size: 0.95rem;
}

/* Hide native checkboxes */
.extra-item input[type="checkbox"] {
    position: absolute;

    width: 0;
    height: 0;

    opacity: 0;
}


/* -- Selectors targeting: step-calendar.html -- */

.booking-calendar-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;

    margin-top: 1rem;
}

.calendar-left-days {
    min-height: 385px;
    padding-right: 2rem;

    border-right: 1px solid var(--light-green);
}


/* Bookable Days */

.days-header {
    margin-bottom: 1rem;

    text-align: center;
    font-weight: 600;
}

.days-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;

    /* Fixed minimum height prevents navigation buttons to jump up-down due to calendar size */
    min-height: 305px;
}

.days-weekday {
    font-size: 0.8rem;
    text-align: center;
    color: var(--dark-grey);
}

.day {
    position: relative;

    display: flex;
    align-items: center;
    justify-content: center;

    height: 40px;

    border-radius: 8px;

    font-weight: 500;
}

.day--empty {
    background: transparent;
    cursor: default;
}

.day--disabled {
    background: var(--light-grey);

    color: var(--warm-white);

    cursor: not-allowed;
}

.day--available {
    cursor: pointer;
}

.day--selected {
    background: var(--dark-green);
    box-shadow: var(--box-shadow);

    font-weight: 600;
    color: var(--warm-white);
}

.day--available:hover {
    background: var(--light-green);
    box-shadow: var(--box-shadow);

    color: var(--warm-white);
}

.calendar-month-navigation {
    display: flex;
    justify-content: space-between;
    gap: 1rem;

    margin-top: 1rem;
}

.calendar-nav-btn {
    padding: 0.5rem 1rem;

    background: var(--warm-white);
    border: 1px solid var(--light-green);
    border-radius: 10px;

    cursor: pointer;
}

.calendar-nav-btn:hover:not(.calendar-nav-btn--disabled) {
    box-shadow: var(--box-shadow);
}

.calendar-nav-btn--disabled {
    opacity: 0.5;

    cursor: not-allowed;
}

.calendar-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;

    text-align: center;
}

.calendar-next-btn {
    padding: 0.5rem 1rem;

    border: 1px solid var(--light-green);
    border-radius: 10px;
    background: var(--warm-white);

    cursor: pointer;
}

.calendar-next-btn:hover {
    box-shadow: var(--box-shadow);
}


/* Bookable Slots */

.slots-header {
    margin-bottom: 1rem;
}

.slot-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem 0.75rem;
}

.slot-item {
    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0.6rem;

    background: transparent;
    border: 1px solid var(--dark-green);
    border-radius: 10px;

    font-size: 1rem;
    text-align: center;
    color: var(--dark-green);

    cursor: pointer;

    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.slot-item:hover {
    background: var(--light-green);
    box-shadow: var(--box-shadow);

    color: var(--warm-white);
}

/* Selected state = looks like hovered button */
.slot-radio:checked + .slot-item {
    background: var(--dark-green);

    color: var(--warm-white);
}

.slot-item:has(input[type="radio"]:checked) {
    background: var(--dark-green);
    border-color: var(--dark-green);
    box-shadow: var(--box-shadow);

    color: var(--warm-white);
}

/* Hide native radio buttons */
.slot-item input[type="radio"] {
    position: absolute;

    width: 0;
    height: 0;

    opacity: 0;
}


/* -- Selectors targeting: step-form.html -- */

/* Unique setting to achieve uniform vertical spacing between sections */
section #booking-body-form {
    margin-bottom: 0;
}

.booking-final-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

/* Booking form */

/* Custom checkbox layout: checkbox appears before label text with flexible alignment */
.form-group--checkbox {
    display: block;
}

.form-group--checkbox label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;

    width: 100%;
}

.form-group--checkbox input[type="checkbox"] {
    flex-shrink: 0;

    width: 1.2em;
    height: 1.2em;
    margin: 0;
    order: -1;
}

.form-group--checkbox .checkbox-text {
    flex: 1;

    line-height: 1.4;
}

/* Booking summary */

#booking-modal-content .booking-summary h3 {
    margin-bottom: 1rem;
}

.summary-item {
    margin-bottom: 0.5rem;
}

.summary-item ul {
    margin: 0;
    padding-left: 1.5rem;
}


/* -- Selectors targeting: step-confirm.html & step-persistence-error.html -- */

#booking-body-info {
    text-align: center;
}

#booking-body-info h3 {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

#booking-body-info p {
    margin-bottom: 1rem;
}

#booking-body-info button {
    margin-top: 2rem;
}

/* Unique setting to highlight heading text when persistence error happens */
#booking-body-info #persistence-error-heading {
    color: var(--error-red);
}


/* -- RESPONSIVE BREAKPOINTS -- */

/* Large phones */
@media (max-width: 600px) {
    .booking-card {
        width: 90vw;
        height: 90vh;
        padding: 0.5rem;

        border-radius: 15px;
    }

    .option-meta {
        gap: 1rem;
    }

    .extra-meta {
        flex-direction: column;
        gap: 1rem;
    }

    .booking-calendar-container {
        grid-template-columns: 1fr;
    }

    .calendar-left-days {
        padding-right: 0;
        padding-bottom: 2rem;

        border-right: none;
        border-bottom: 1px solid var(--light-green);
    }

    .booking-final-container {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .booking-form {
        border-bottom: 1px solid var(--light-green);
    }

    .booking-summary {
        margin-top: 2rem;
        margin-bottom: 2rem;
    }

    .form-group--checkbox input[type="checkbox"] {
        transform: scale(0.65);
        transform-origin: center;
    }
}