/* Explain: Styles for UI components, including buttons, cards, nav links, and calendar elements. */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    border-radius: 999px;
    background: var(--primary-color);
    color: #ffffff;
    font-weight: 600;
    line-height: 1.1;
    border: 1px solid var(--primary-color);
    transition: all 0.3s ease;
    cursor: pointer;
}
.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    border-radius: 999px;
    background: transparent;
    color: var(--primary-color);
    font-weight: 600;
    line-height: 1.1;
    border: 1px solid var(--primary-color);
    transition: all 0.3s ease;
    cursor: pointer;
}
.btn-outline:hover {
    background: var(--primary-color);
    color: #ffffff;
}

.btn-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    border-radius: 999px;
    background: #ffffff;
    color: var(--primary-color);
    font-weight: 600;
    line-height: 1.1;
    border: 1px solid #ffffff;
    transition: all 0.3s ease;
    cursor: pointer;
}
.btn-light:hover {
    background: var(--secondary-color);
    color: #ffffff;
    border-color: var(--secondary-color);
}

.btn-ghost-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    border-radius: 999px;
    background: transparent;
    color: #ffffff;
    font-weight: 600;
    line-height: 1.1;
    border: 1px solid rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
    cursor: pointer;
}
.btn-ghost-light:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #ffffff;
}

.card-therapy {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s ease;
}
.card-therapy:hover {
    box-shadow: var(--shadow-soft);
    transform: translateY(-4px);
}

.nav-link {
    position: relative;
    font-weight: 500;
    color: var(--text-color);
    transition: color 0.25s ease;
}
.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    height: 2px;
    width: 0;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}
.nav-link:hover {
    color: var(--primary-color);
}
.nav-link:hover::after {
    width: 100%;
}

.mobile-link {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border-color);
    font-weight: 500;
    color: var(--text-color);
}
.mobile-link:hover {
    color: var(--primary-color);
}

.cal-nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.2s ease;
}
.cal-nav-btn:hover {
    background: var(--surface-alt);
}
.cal-nav-btn-text {
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    color: var(--text-color);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}
.cal-nav-btn-text:hover {
    background: var(--surface-alt);
}
.cal-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.3rem;
}
.cal-head {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.3rem;
    text-align: center;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    font-weight: 700;
}
.cal-cell {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
    min-height: 3.5rem;
    padding: 0.4rem;
    border-radius: 0.6rem;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
}
.cal-cell:hover {
    border-color: var(--primary-color);
}
.cal-cell-empty {
    border: 1px dashed var(--border-color);
    background: transparent;
    cursor: default;
}
.cal-cell-empty:hover {
    border-color: var(--border-color);
}
.cal-cell-selected {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-soft);
}
.cal-cell-today {
    background: var(--surface-alt);
}
.cal-daynum {
    font-size: 0.85rem;
    font-weight: 600;
}
.cal-tag {
    font-size: 0.6rem;
    font-weight: 700;
    padding: 0.1rem 0.4rem;
    border-radius: 999px;
    line-height: 1.5;
    white-space: nowrap;
}
.cal-tag-booked {
    background: var(--primary-color);
    color: #ffffff;
}
.cal-tag-blocked {
    background: var(--blocked-color);
    color: var(--blocked-ink);
}
.cal-dot {
    display: inline-block;
    width: 0.65rem;
    height: 0.65rem;
    border-radius: 999px;
}
.cal-dot-booked {
    background: var(--primary-color);
}
.cal-dot-blocked {
    background: var(--blocked-dot);
}
.cal-dot-prep {
    background: var(--prep-dot);
}
.cal-block {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem;
    background: var(--surface-alt);
}
.cal-block h3 {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    font-weight: 700;
}
.cal-block-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.cal-block-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 0.85rem;
}
.cal-field {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 600;
    flex: 1;
    min-width: 8rem;
}
.cal-field input:not([type="checkbox"]):not([type="radio"]) {
    width: 100%;
    padding: 0.5rem 0.7rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: #ffffff;
    font-size: 0.85rem;
    color: var(--text-color);
}
.cal-blocked-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.5rem 0.7rem;
    border: 1px dashed var(--accent-color);
    border-radius: 0.5rem;
    background: var(--surface-alt);
    margin-bottom: 0.4rem;
    font-size: 0.82rem;
}
.cal-appt {
    border: 1px solid var(--border-color);
    border-radius: 0.7rem;
    padding: 0.85rem 1rem;
    background: var(--surface-color);
    margin-bottom: 0.6rem;
}
.cal-appt-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}
.cal-appt-time {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.85rem;
}
.cal-appt-service {
    font-weight: 600;
}
.cal-appt-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
    word-break: break-word;
}
.cal-appt-pay {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.7rem;
    margin-top: 0.5rem;
    font-size: 0.8rem;
}
.cal-pay-mark {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 700;
}
.cal-appt-pay.is-paid .cal-pay-mark {
    color: var(--primary-color);
}
.cal-appt-pay.is-due .cal-pay-mark {
    color: var(--pay-due-ink);
}
.cal-pay-method {
    color: var(--text-muted);
}
.pay-check {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.7rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: #ffffff;
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
}
.cal-appt-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.7rem;
}
.cal-mini-btn {
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
}
.cal-mini-btn:hover {
    background: var(--surface-alt);
}
.cal-mini-btn-danger {
    border-color: var(--accent-color);
    color: var(--accent-color);
}
.cal-mini-btn-danger:hover {
    background: var(--accent-color);
    color: #ffffff;
}
.cal-status {
    font-size: 0.6rem;
    font-weight: 700;
    padding: 0.12rem 0.5rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.cal-status-pending {
    background: var(--secondary-color);
    color: #ffffff;
}
.cal-status-confirmed {
    background: var(--primary-color);
    color: #ffffff;
}
.cal-status-cancelled {
    background: var(--text-muted);
    color: #ffffff;
}
.cal-upcoming-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 0.7rem;
    background: var(--surface-color);
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 0.5rem;
}
.cal-upcoming-item:hover {
    border-color: var(--primary-color);
}
.cal-upcoming-date {
    display: block;
    font-size: 0.78rem;
    color: var(--secondary-color);
    font-weight: 700;
}
.cal-upcoming-name {
    display: block;
    font-size: 0.9rem;
}
.cal-empty {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.tab-bar {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.35rem;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: var(--surface-color);
    box-shadow: var(--shadow-soft);
    max-width: 100%;
    overflow-x: auto;
}
.tab-pill {
    padding: 0.65rem 1.4rem;
    border-radius: 999px;
    border: none;
    background: transparent;
    color: var(--primary-color);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    line-height: 1.1;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.25s ease;
}
.tab-pill:hover {
    background: var(--surface-alt);
}
.tab-pill-active {
    background: var(--primary-color);
    color: #ffffff;
}
.tab-pill-active:hover {
    background: var(--primary-hover);
}

.slot-btn {
    padding: 0.6rem 0.8rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}
.slot-btn:hover {
    border-color: var(--primary-color);
    background: var(--surface-alt);
}
.slot-btn-active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}
.slot-btn-active:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.treatment-row .treatment-media,
.treatment-row .treatment-body {
    order: 0;
}

@media (min-width: 1024px) {
    article.treatment-row:nth-of-type(even) .treatment-media {
        order: 2;
    }
    article.treatment-row:nth-of-type(even) .treatment-body {
        order: 1;
    }
}